lesson plan labsim for networkpro 20120425cb54845b66a0

8/10/2019 Lesson Plan Labsim for Networkpro 20120425CB54845B66A0

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2012 TestOut Corporation (Rev 4/12)LabSim Network Pro

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Table of Contents

Course Overview .................................................................................................. 3Section 0.1: Course Introduction ........................................................................... 5

Section 0.2: Using the Simulator ........................................................................... 6Section 1.1: Networking Overview ........................................................................ 7Section 1.2: Network Topologies .......................................................................... 9Section 1.3: Protocols ......................................................................................... 11Section 1.4: Network Connections ...................................................................... 14Section 1.5: The OSI and TCP/IP Models ........................................................... 16Section 2.1: Twisted Pair .................................................................................... 18Section 2.2: Coaxial ............................................................................................ 21Section 2.3: Fiber Optic ...................................................................................... 23Section 2.4: Wiring Implementation .................................................................... 25Section 3.1: Network Adapters ........................................................................... 28

Section 3.2: Network Devices ............................................................................. 31Section 3.3: Internetwork Devices....................................................................... 33Section 4.1: Ethernet .......................................................................................... 35Section 4.2: Ethernet Specifications ................................................................... 37Section 4.3: Connecting Network Devices .......................................................... 40Section 5.1: IP Addressing .................................................................................. 42Section 5.2: Address Assignment ....................................................................... 44Section 5.3: Name Resolution ............................................................................ 46Section 5.4: Routing ............................................................................................ 48Section 5.5: NAT and ICS ................................................................................... 51Section 5.6: IP version 6 ..................................................................................... 53

Section 5.7: Multicast .......................................................................................... 55Section 5.8: Voice over IP (VoIP)........................................................................ 57Section 5.9: Virtualization ................................................................................... 59Section 6.1: Wireless Concepts .......................................................................... 61Section 6.2: Wireless Standards ......................................................................... 63Section 6.3: Wireless Security ............................................................................ 66Section 6.4: Wireless Configuration .................................................................... 69Section 7.1: WAN Concepts ............................................................................... 71Section 7.2: Internet Connectivity ....................................................................... 74Section 7.3: Remote Access ............................................................................... 76Section 8.1: Network Threats .............................................................................. 78

Section 8.2: Firewalls .......................................................................................... 80Section 8.3: VPNs ............................................................................................... 83Section 8.4: Switch Security ............................................................................... 85Section 8.5: Authentication ................................................................................. 87Section 8.6: Secure Protocols ............................................................................. 90Section 8.7: Detection and Prevention ................................................................ 92Section 9.1: Documentation ................................................................................ 95Section 9.2: SNMP .............................................................................................. 97


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Section 9.3: Remote Management...................................................................... 98Section 9.4: Monitoring ..................................................................................... 100Section 9.5: Optimization .................................................................................. 102Section 10.1: Troubleshooting Overview .......................................................... 105Section 10.2: Troubleshooting Network Communication .................................. 108

Section 10.3: Troubleshooting Physical Connectivity........................................ 110Section 10.4: Troubleshooting IP Configuration ................................................ 114Section 10.5: Troubleshooting Name Resolution .............................................. 117Section 10.6: Troubleshooting Switching .......................................................... 119Section 10.7: Troubleshooting Routing ............................................................. 121Section 10.8: Troubleshooting Wireless ............................................................ 123Practice Exams ................................................................................................. 125

Appendix A: Approximate Time for the Course ................................................. 126


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Course Overview

This course prepares students for TestOuts Network Pro and CompTIAsNetwork+ exams. It focuses on configuring, managing and troubleshooting theelements of a basic network infrastructure.

Module 0Introduction

This module introduces the course, prerequisites and required skills for theexam. Students will also learn how to use the hardware simulator so they cancomplete the simulations as they proceed through the course.

Module 1Networking Basics

This module lays the foundation of the basics of networking. This includesinformation on networking terminology, common physical and logical topologies,networking architectures and protocols, network connections, and the OpenSystems Interconnection (OSI) model.

Module 2Cables and Connectors

This module examines common cables and connectors used in networks.Twisted pair, coaxial and fiber optic cabling are discussed. Students will becomefamiliar with the standards, specifications, and components used for wiringimplementation.

Module 3Networking Devices

In this module students will learn about using network adapters and devices toconnect to a network. They will also learn about internetworking devices (routers,

firewalls, and layer3 switches).

Module 4Ethernet

This module teaches the students the basics of working with Ethernetarchitecture, specifications, and details about connecting network devices.

Module 5Network Implementation

This module discusses aspects of a network implementation. This includesunderstanding IP addressing, assigning IP addresses, mapping logical hostnames to IP addresses, routing, and accessing the Internet,. Students will learnwhy IPv6 is necessary and how multicasting works. They will also learn the

basics of using Voice over IP (VoIP).

Module 6Wireless Networking

This module examines using a radio frequency wireless network to connect tohosts. Students will learn the basics of networking architecture, infrastructure,and wireless standards (802.11, Infrared, and Bluetooth). They will learn how toimplement security on a wireless network, configure a wireless network, andidentify factors that can effect a wireless connection.


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Module 7Wide Area Networks (WANs)

In this module students will learn facts about Wide Area Networks (WAN)technologies, structure, and services. They will learn methods to connect to theInternet through an ISP and how to create a remote access connection.

Module 8Network SecurityThis module teaches the students how to secure the network from variousnetwork threats. Students will learn how to use a firewall, a Virtual PrivateNetwork (VPN), and switch features to enhance security. They will also learnabout the elements that can be used to provide authentication and encryption forthe network. An Intrusion Detection System (IDS) and network monitoring toolsare used to help prevent attacks.

Module 9Network Management

This module examines components of network management. This includesconfiguration management documentation, SNMP, remote management, network

monitoring tools, and elements to optimize the performance of the network.

Module 10Troubleshooting

In this module students will learn a systematic methodology for troubleshooting,tools to troubleshoot network connectivity problems, and commands to gathernetwork information and troubleshoot IP configuration problems. They will alsolearn how to troubleshoot name resolution, switching and routing problems.

Practice Exams

In Practice Exams students will have the opportunity to test themselves andverify that they understand the concepts and are ready to take the certificationexams for both Network Pro and Network+ certifications.


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Section 0.2: Using the Simulator

Summary

This section teaches the students how to use the hardware simulator included inthis course. Experiment with the simulations in this section until you are familiar

with how the hardware simulator works. You will recognize the simulations in thiscourse by the mouse icon to the left of the entry.

Students will learn how to:

Read simulated component documentation and view components to makeappropriate choices to meet the scenario.

Add and remove simulated computer components.

Change views to view and add simulated components.

Use the zoom feature to view additional image details.

Attach simulated cables.

Use the simulation interface to identify where simulated cables connect tothe computer.

Video/Demo Time

0.2.1 Using the Simulator 13:24

0.2.3 Using the Simulator in Multiple Locations 5:08

Total 18:32

Lab/Activity

Explore a Single Location in a Lab

Explore Multiple Locations in a Lab

Total Time

About 30 minutes


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Section 1.1: Networking Overview

Summary

This section provides an introduction to networking. Students will become familiar

with the following aspects of a network:

Components of a networko Computerso Transmission mediao Network interfaceso Protocols

Money saving capabilities of a network

Host roleso Peer-to-peero Client/server

Geography and sizeo Local Area Network (LAN)o Wide Area Network (WAN)

Managemento Networko Subneto Internetwork

Participationo Interneto Intraneto Extranet

Network Pro Objectives

4.0 Network Connection Configurationo Given a Windows system, configure the network connection for

communication outside of the local network.

Network+ Objectives

3.5 Describe different network topologies:o Peer-to-peero Client-server


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Lecture Focus Questions:

Why areprotocols important for networking?

What are the advantages of a client/server network when compared to apeer-to-peer network?

What is the main characteristic of a subnet? How can you tell one subnet

from another? How does an intranetdiffer from the Internet?

What is the main purpose of an extranet?

Video/Demo Time

1.1.1 Introduction to Networking 9:15

1.1.2 Network Types 12:18

1.1.3 Networking Terms 11:04

Total 32:37

Number of Exam Questions

2 questions

Total Time

About 40 minutes


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Section 1.2: Network Topologies

Summary

This section discusses network topologies; how devices are connected and how

messages flow from device to device. Two types of network topologies arediscussed:

Physical topologies identify the physical way the network is wired:o Buso Ringo Staro Mesh

Logical topologies identify the way in which messages are sent:o Buso Ring

o Star




Network+ Objectives

3.5 Describe different network topologies:o Ringo Staro Mesho Buso Hybrid


What is defined by the logical topology?

How does the logical topology differ from the physical topology? Why cana single physical topology support multiple logical topologies?

Why is the physical mesh topology normally an impractical solution? What are the advantages of a logical star topology over the logical bus

topology?

Why is termination important on a physical bus topology?

How do hosts on a physical ring topology communicate?


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Video/Demo Time

1.2.1 Network Topologies 13:26


11 questions

Total Time

About 30 minutes


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Section 1.3: Protocols

Summary

This section explores typical network architectures and the TCP/IP protocol suite.

Students will become familiar with the following details:

Network architectures include:o Etherneto Dial-up modemo Digital Subscriber Line (DSL)o Integrated Services Digital Network (ISDN)o Wireless

Common networking protocols used for:o Web browsing

HyperText Transfer Protocol (HTTP)

HTTP over SSL (HTTPS)o Security protocols

Secure Sockets Layer (SSL) Transport Layer Security (TLS)

o File transfer File Transfer Protocol (FTP) Trivial File Transfer Protocol (TFTP) Secure File Transfer Protocol (SFTP) Secure Copy (SCP)

o E-mail Simple Mail Transfer Protocol (SMTP)

Post Office Protocol 3 (POP3) Internet Message Access Protocol 4 (IMAP)4

o Network services Dynamic Host Configuration Protocol (DHCP) Domain Name System (DNS) Network Time Protocol (NTP) Lightweight Directory Access Protocol (LDAP)

o Network management Simple Network Management Protocol (SNMP) Remote Terminal Emulation (Telnet) Secure Shell (SSH)

o Transport protocols Transmission Control Protocol (TCP) User Datagram Protocol (UDP)

o Control protocols Internet Control Message Protocol (ICMP) Internet Group Membership Protocol (IGMP)


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5.0 Network Serviceso Given a scenario and a network configuration, identify necessary

networking protocols and services.

Network+ Objectives

1.6 Explain the function of common networking protocolso TCPo FTPo UDPo TCP/IP suiteo

DHCPo TFTPo DNSo HTTPSo HTTPo ARPo SSHo POP3o NTPo IMAP4o Telneto

SMTPo SNMP2/3o ICMPo IGMPo TLS


Which architecture type is the most common architecture for a local areanetwork?

Which architecture types use digital signals over regular telephone lines?

What is the transmission medium used for wireless networks? How does a protocol suite differ from a protocol?

How does TCP differ from UDP?

What is the difference between the three e-mail protocols: IMAP4, POP3,and SMTP?

How does SSH differ from Telnet? How does HTTPS differ from HTTP?


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Section 1.4: Network Connections

Summary

This section discusses the configuration settings required to connect to a TCP/IP

network. Parameters include the:

IP address

Subnet mask

Default gateway

DNS server

Host name


View the status of network connections.

Configure basic IP configuration values necessary to connect to theInternet.




Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o Subnetting


What two pieces of information is contained within an IP address? Howdoes a computer tell the difference between these two parts?

When assigning IP addresses to hosts, which portions of the configurationmust match values used by other hosts in the same subnet?

A router has two network interfaces, each connected to a different subnet.

When configuring the default gateway value on a host, which IP addresswould you use?

What capability does the DNS server address provide? What wouldhappen if the computer was not configured to use a DNS server?


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1.2 Classify how applications, devices, and protocols relate to the OSImodel layers:

o Frameso Packets


What is the OSI model and why is it important in understandingnetworking?

What are the advantages of using a theoretical model to describenetworking?

What is the name of Layer 3 in the OSI model? Layer 5?

Which OSI model layers typically correspond to the network architecture?

How does the session ID differ from the port number?

At which OSI model layer would you find a frame?

What is the difference between connectionless and connection-oriented

services?

Video/Demo Time

1.5.1 The OSI Model 5:33

1.5.3 OSI Model Layers 14:49

1.5.4 OSI Model Communications 4:47

Total 25:09


15 questions

Total Time

About 45 minutes


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Section 2.1: Twisted Pair

Summary

This section examines the basics of twisted pair cabling. Concepts discussed

include the:

Components of a twisted pair cable:o Two wires made of 22 or 24 gauge copper wiringo PVC or plenum plastic insulationo Wires are twisted to reduce EMI and crosstalko Multiple wire pairs are bundled in an outer sheath

Shielded Twisted Pair (STP) Unshielded Twisted Pair (UTP)

Unshielded twisted pair (UTP) cable types (categories):o Phone cable

o Cat 3o Cat 5o Cat 5eo Cat 6

Types of connectors used with twisted pair cables:o RJ-11o RJ-45


Select and install cables for connecting to a dial-up network.

Select and install cables for connecting to an Ethernet network.


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1.0 Cables and Connectorso Identify network cables by sight or name (Twisted Pair, Coaxial,

Straight-through, Crossover, Console)o Identify network connectors by sight or name (RJ-11, RJ-45, F

Type, Serial)o Given a scenario and networking requirements, select and install

cables for communication between computers and networkingdevices.

2.0 Wired Networkingo Identify wired networking devices by name or sight.o Given a scenario where computers must communicate within a

wired network, select and install the appropriate networkingdevice(s).

Network+ Objectives

2.6 Given a set of requirements, plan and implement a basic SOHOnetwork:

o List of requirementso Cable lengtho Device types/requirementso Environment limitationso Equipment limitationso Compatibility requirements

3.1 Categorize standard media types and associated properties:o Copper:

UTP STP CAT3 CAT5 CAT5e CAT6 CAT6A

o Plenum vs. non-plenum

3.2 Categorize standard connector types based on network media:

o Copper RJ-45 RJ-11


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Why are wires twisted together in twisted pair cables?

What is the difference between STP and UTP cabling?

What is the difference between Cat3 and Cat5 cable?

How can you tell the difference between an RJ-11 and an RJ-45connector?

You have an installation that requires Cat5 cable. Which cable ratingscould you use for the installation?

Video/Demo Time

2.1.1 Twisted Pair 7:50

Lab/Activity

Connect to an Ethernet Network


6 questions

Total Time

About 20 minutes


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Section 2.2: Coaxial

Summary

This section provides the fundamentals of using coaxial cabling. Students will

become familiar with the:

Components of a coaxial cable.

Advantages and disadvantages of a coaxial cable.

Common coaxial cable grades:o RG-58o RG-59o RG-6o RG-8

Selection of coaxial cables being determined by the resistance(impedance) rating.

Connector types used with coaxial cable:o F-Typeo BNCo AUI


Select and install components to connect to a cable network.








Network+ Objectives


o List of requirements


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o Cable lengtho Device types/requirementso Environment limitationso Equipment limitationso Compatibility requirements

3.1 Categorize standard media types and associated propertieso Copper

Coaxial

3.2 Categorize standard connector types based on network media:o Copper

BNC F-connector


What is the function of the wire mesh in coaxial cables?

Which part of the cable is used to carry data? Which connector type and cable grade is used to connect a cable modem

to the Internet connection?

Which cable type is more immune to EMI, twisted pair or coaxial?

Video/Demo Time

2.2.1 Coaxial 7:41

Lab/Activity

Connect a Cable Modem


6 questions

Total Time

About 20 minutes


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Section 2.3: Fiber Optic

Summary

This section discusses facts about fiber optic cabling. Concepts discussed

include the:

Components of a fiber optic cable:o Coreo Claddingo Sheathing

Advantages and disadvantages of fiber optic cabling.

Multi-mode and single mode fiber cables.

Connectors used with fiber optic cables:o ST Connectoro SC Connectoro LC Connectoro MT-RJ Connector

Installation of fiber optic cables and connectors.


Select and install components to connect to a network that uses fiber-optic.


1.0 Cables and Connectorso Given a scenario and networking requirements, select and install


2.0 Wired Networkingo Identify network interface cards and motherboard memory slots by

name or sight.o Given a scenario where a new networking card is required in a new

or existing computer, select and install the appropriate networkingcard.

o Given a scenario where computers must communicate within a



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Network+ Objectives

3.1 Categorize standard media types and associated propertieso Fiber

Multimode

Singlemode 3.2 Categorize standard connector types based on network media:

o Fiber ST SC LC MT-RJ


How do light waves within a fiber optic cable travel around corners?

What advantages do fiber optic cables offer over twisted pair or othermedia choices? What are the disadvantages to implementing fiber opticcables?

What is the difference between single mode and multi-mode cables?

How can you tell the difference between an ST and an SC connector?

Which connector types combine two strands of fiber into a singleconnector?

Video/Demo Time

2.3.1 Fiber Optic 10:04

Lab/Activity

Connect Fiber Optic Cables 1

Connect Fiber Optic Cables 2


9 questions

Total Time

About 30 minutes


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Section 2.4: Wiring Implementation

Summary

This section presents information about implementing the wiring to connectcomputers in a network. Facts discussed about making and distributing cablesfor a network include:

Standards for creating a straight-through cable configuration

Standards for creating crossover cable configurations

Ethernet pin specifications for Ethernet cables

Making Ethernet cables

Components used for wiring distribution for data and telephone wiring:o Demarcation point (demark)o Main Distribution Frame (MDF)

o Intermediate Distribution Frame (IDF)o Demarc extensiono Vertical cross connecto Horizontal cross connecto 25 pairo 100 pairo 66 blocko 110 blocko Patch panel

.Students will learn how to:

Use the appropriate tools to create Cat5 drop cables.

Use the appropriate tools to connect cables using punchdown blocks.









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o Given a scenario where computers must communicate with two ormore wired networks, select and install the appropriate networkingdevice(s).

Network+ Objectives



3.1 Categorize standard media types and associated propertieso Copper

Crossover Straight-through

3.2 Categorize standard connector types based on network media:o Copper

Patch panel 110 block

T568A T568B

3.8 Identify components of wiring distribution:o IDFo MDFo Demarco Demarc extension

4.2 Given a scenario, use appropriate hardware tools to troubleshootconnectivity issues:

o Cable testero Crimpero Punch down tool


What is the difference between the T568A and T568B standards? When

should you use both standards? What type of cable would you use to connect two hosts together in a back-

to-back configuration using twisted pair cable?

When should you use stranded core twisted pair cable instead of solidcore twisted pair?

What is the difference between the MDF and an IDF?

What type of cable connects an IDF to the MDF?

Who is typically responsible for installing a demarc extension?


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What is the difference between a 25 pair block and a 50 pair block? Whatcan you use to make the 50 pair block function like a 25 pair block?

When using a punchdown tool, which way should the blade be facing?

Video/Demo Time

2.4.1 Making Twisted Pair Cables 16:34

2.4.3 Wiring Distribution 6:53

2.4.4 Using Punchdown Blocks 12:56

Total 36:23

Lab/Activity

Connect Patch Panel Cables 1

Connect Patch Panel Cables 2


19 questions

Total Time

About 70 minutes


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Section 3.1: Network Adapters

Summary

This section examines using a network adapter (network interface card or NIC) to

connect a host to the network medium. Students will become familiar with thefunction of:

A transceiver

A modem

A network adapter

A media converter

The MAC address

The Address Resolution Protocol (ARP)

The Reverse Address Resolution Protocol (RARP)

The Cyclic Redundancy Check (CRC)


Select and install network cards to meet network connection requirements.







o Identify wired networking devices by name or sight.o Given a scenario where computers must communicate within a


Network+ Objectives

1.2 Classify how applications, devices, and protocols relate to the OSImodel layers

o MAC addresso IP addresso Frames


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o NIC

1.3 Explain the purpose and properties of IP addressing:o MAC address format

1.6 Explain the function of common networking protocols:o ARP



3.1 Categorize standard media types and associated properties:o Media converters

Singlemode fiber to Ethernet Multimode fiber to Ethernet Fiber to Coaxial Singlemode to Multimode fiber


What are two major differences between a modem and an Ethernet NIC?

How can you identify a network card manufacturer from the MACaddress?

What is the function of a transceiver?

What is the purpose of the CRC?

At which OSI layer does a network adapter card operate? At which layerdoes a media converter work?

Can a media converter be used to connect network segments usingdifferent architecture types? Why or why not?

How does a computer find the MAC address of another device on thesame subnet?

What does the MAC address FF-FF-FF-FF-FF-FF indicate?

Video/Demo Time

3.1.1 Network Adapters 12:13

Lab/Activity

Select and Install a Network Adapter

Connect a Media Converter


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10 questions

Total Time

About 35 minutes


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Section 3.2: Network Devices

Summary

In this section students will explore information about common connection

devices used within a LAN. This includes information about a:

Hub

Bridge

Switch

Wireless Access Point (AP)


Select and install appropriate networking hardware.




2.0 Wired Networkingo Identify network interface cards and motherboard expansion slots

by name or sight.o Given a scenario where a new networking card is required in a new





Network+ Objectives


o Switcho Hubo Bridge

2.1 Given a scenario, install and configure routers and switches:o Managed vs. Unmanagedo Interface configurations


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o List of requirementso Cable lengtho Device types/requirements

o Environment limitationso Equipment limitationso Compatibility requirements


A host on a network sends a frame to the hub. Which other devices on thenetwork will see this frame?

A host on a network sends a frame to a switch. Which other devices onthe network will see this frame?

What are the similarities and differences between a bridge and a switch?

What are the advantages to using switches over hubs? At which OSI model layer do wireless access points operate?

What type of device do you use to translate from one network architectureto another?

Video/Demo Time

3.2.1 Network Devices 16:51

Lab/Activity

Select a Networking Device


13 questions

Total Time

About 35 minutes


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Section 3.3: Internetwork Devices

Summary

This section discusses common internetworking devices. Details covered

include:

Common internetworking devices:o Routero Firewallo Layer 3 switch

The process of sending a message from one host to another on a differentnetwork

Students will become familiar with the process routers use to route packets fromone host to another on a different network. They will also learn about the function

of:

Data Link physical addresses

Network logical addresses


Select the appropriate device to connect two networks.






o Given a scenario where computers must communicate with two ormore wired networks, select and install the appropriate networking

device(s).

Network+ Objectives


o Routero Multilayer switch


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1.4 Explain the purpose and properties of routing and switching:o Next hopo Routing tables

2.1 Given a scenario, install and configure routers and switches:o Routing tables




What is the main role of a router? How does a router differ from a switch or a hub?

How are the physical and logical (network) addresses used when routingdata through an internetwork? Which addresses stay the same? Whichaddresses change from hop to hop?

How does a firewall protect a network?

Video/Demo Time

3.3.1 Internetwork Devices 10:15

Lab/Activity

Select a Router


7 questions

Total Time

About 25 minutes


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Section 4.1: Ethernet

Summary

This section examines facts about Ethernet architecture. The following detailsabout Ethernet are discussed:

Topology

Networking devices

Transmission media

Media access Method

Physical Addresses

Frames


2.0 Wired Networkingo Identify wired networking devices by name or sight.

Network+ Objectives

2.1 Given a scenario, install and configure routers and switches:o Interface configurations

Full duplex Half duplex

2.6 Given a set of requirements, plan and implement a basic SOHO

network:o List of requirementso Cable lengtho Device types/requirementso Environment limitationso Equipment limitationso Compatibility requirements

3.7 Compare and contrast different LAN technologies:o Types

Ethernet 10BaseT 100BaseT

o Properties CSMA/CD Collision


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Section 4.2: Ethernet Specifications

Summary

This section discusses Ethernet specifications of various Ethernetimplementations. Students will compare the standards and characteristics of

various Ethernet categories:

Ethernet

Fast Ethernet

Gigabit Ethernet

10 Gigabit Ethernet

Students will learn to:

Select and install Ethernet NICs based on speed and transmissionmedium.

Install UTP and fiber optic cables.


1.0 Cables and Connectorso Identify network cable speed capabilities by name (10BaseT,

100BaseT, 1000BaseT, 10GBaseT)o Given a scenario and networking requirements, select and install







Network+ Objectives




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3.7 Compare and contrast different LAN technologies:o Types

Ethernet 10BaseT 100BaseT 1000BaseT 100BaseTX 100BaseFX 1000BaseX 10GBaseSR 10GBaseLR 10GBaseER 10GBaseSW

10GBaseLW 10GBaseEW 10GBaseT

o Properties Speed Distance


What is the maximum cable length for most Ethernet standards that usetwisted pair cables?

Which twisted pair cable category should you use on a 1000BaseTnetwork?

What is the advantage of using single mode cable on a 1000BaseLXnetwork?

What is the difference between 10GBaseSR and 10GBaseSW?

Video/Demo Time

4.2.1 Ethernet Specifications 9:39

Lab/Activity

Reconnect to an Ethernet Network

Select Ethernet Cable


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17 questions

Total Time

About 40 minutes


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o Equipment limitationso Compatibility requirements

3.1 Categorize standard media types and associated properties:o Copper

Crossover

Straight-through 3.2 Categorize standard connector types based on network media:

o DB-9 (RS-232)


Which cable type would you use to connect a workstation to a regular porton a hub or a switch?

Which cable type would you use to connect a router to the uplink port on aswitch?

Which cable type would you use to connect two switches together using

their uplink ports? Which switch feature makes choosing crossover or straight-through cables

easier?

When would you use a rollover cable?

Video/Demo Time

4.3.1 Connecting Devices 12:46

Lab/Activity

Connect Network Devices 1

Connect Network Devices 2


8 questions

Total Time

About 35 minutes


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Section 5.1: IP Addressing

Summary

In this section students will learn facts about IP addressing and subnetting.

Details will include:

Representing IP addresses in a decimal or a binary notation

Converting binary numbers to decimal numbers

Using a subnet mask to identify the network portion of the address

Using default address classes to identify the range of IP addresses

Special considerations when implementing IP addresses to hosts at the:o Networko Broadcasto Host Addresseso Local Host

Creating subnets to divide a larger network into smaller networks Implementing custom subnet masks

Comparing descriptions of a default and custom subnet masks

Implementing classful addresses vs. classless addresses


4.0 Network Connection Configurationo Identify and select valid IP addresses and classful and classless

subnet masks for network connections.o Given a Windows system, configure static IP address information

on a network connection for communication within a network.o Given a Windows system, configure the network connection for

communication outside of the local network.o Given a Windows system, configure the network connection to

share an Internet connection to meet end-user requirements.

Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o Classes of addresses

A, B, C, and Do IPv4 vs. IPv6 (formatting)o Subnetting




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What is an octet?

What is the decimal equivalent for the following binary number:01100111? What is the binary equivalent of the following decimal number:211?

How is the network portion of an IP address identified?

Which portion of a class C address designates the network address?

What is the difference between subnettingand supernetting? Whichmethod uses a subnet mask that is longerthan the default subnet mask?

What does the/14mean in the following IP address: 199.78.11.12/14?

Video/Demo Time

5.1.1 IP Addresses 18:08

5.1.3 Subnetting 16:08

Total 34:16

Lab/Activity

Configure IP Addresses


24 questions

Total Time

About 70 minutes


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Section 5.2: Address Assignment

Summary

This section discusses assigning IP addresses. The following concepts are

covered:

Dynamic Host Configuration Protocol (DHCP)

Automatic Private IP Addressing (APIPA)

Alternate IP configuration

Static (manual assignment)


Configure a DHCP server to deliver IP configuration information.

Configure a host to use DHCP for IP configuration.

Configure an alternate IP configuration.


4.0 Network Connection Configurationo Given a Windows system, configure the network connection to use

DHCP for IP configuration.


networking protocols and services.o Given a scenario and network requirements, identify and select the

DHCP scope, reservations, and options to meet networkrequirements.

Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o APIPA

1.6 Explain the function of common networking protocols:o DHCP

2.3 Explain the purpose and properties of DHCP:o

Static vs. dynamic IP addressingo Reservationso Scopeso Leaseso Options

DNS servers



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o List of requirementso Cable lengtho Device types/requirementso Environment limitationso Equipment limitationso

Compatibility requirements


What type of configuration parameters can be delivered using DHCP?

How do you know if a host is using an APIPA address?

Which IP configuration parameters are set when APIPA are used? Whichones are not set?

What are the advantages of static IP address assignments?

When might you want to use static IP addressing?

In which scenarios would an alternate IP configuration simplify IP

configuration?

Video/Demo Time

5.2.1 IP Address Assignment 11:00

5.2.2 APIPA 3:44

5.2.4 Configuring a DHCP Server 5:31

5.2.6 Configuring Host Addressing 7:46

Total 28:01

Lab/Activity

Configure a DHCP Server

Configure a DHCP Client


6 questions

Total Time

About 45 minutes


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Section 5.3: Name Resolution

Summary

This section provides information about using name resolution to map logicalhost names to IP addresses. Concepts covered include:

Components of a Domain Name System (DNS) hierarchy:o .(dot) domain (also called the rootdomain)o Top Level Domains (TLDs) such as .com, .edu, govo Additional domains such as yahoo.com, microsfot.com, etc.o Hosts

Elements of a fully-qualified domain name (FQDN)

Steps to finding the IP address from a computer host name

Students will learn facts about the function of:

o Forward lookupo Reverse lookupo Authoritative servero Records:

A record AAAA record PTR record MX record CNAME record

o Recursiono Root servers

o HOSTS fileo Dynamic DNS (DDNS)o DNS suffixes


Configure DNS zones and records to identify individual hosts.

Configure preferred and alternate DNS server addresses on a Windowshost.




query DNS servers.o Given a Windows system, configure an alternate IP configuration

on a network connection.


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Network+ Objectives

1.6 Explain the function of common networking protocolso DNS

1.7 Summarize DNS concepts and its components:o DNS serverso DNS records (A, MX, AAAA, CNAME, PTR)o Dynamic DNS


How are host names organized in DNS?

What is the difference between a forward lookup and a reverse lookup? What is the role of the root servers in DNS?

What is the difference between a zone and a domain in DNS?

What is the difference between an A record and a PTR record?

Video/Demo Time

5.3.1 DNS 13:46

5.3.3 Configuring DNS 19:31

Total 33:17

Lab/Activity

Configure DNS Addresses


2 questions

Total Time

About 45 minutes


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Section 5.4: Routing

Summary

In this section students will learn the basics of using routers to send packets fromone network to another. Routing facts that are discussed include:

The role of a router

The information stored in a routing table:o The address of a known networko The interface or next hop router used to reach the destination

networko A cost value (also called a metric) that identifies the desirability of

the route to the destination network (using distance, delay, or cost)o A timeout value that identifies when the route expires

Static routing vs. dynamic routing Managing routing tables

Convergence of routing information

Routing protocol characteristics discussed include:

Scope

Metric

Routing update method

Classful or classless

Specific routing protocols presented include:

Routing Information Protocol (RIP)

Enhanced Interior Gateway Routing Protocol (EIGRP)

Open Shortest Path First (OSPF)

Intermediate System to Intermediate System (IS-IS)

Border Gateway Protocol (BGP)


Configure a router with static routes Configure a router for dynamic routing.


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5.0 Network Services

o Given a scenario and a network configuration, identify necessarynetworking protocols and services.

Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o Classless (CIDR)

1.4 Explain the purpose and properties of routing and switching:o EIGRPo OSPFo RIP

o Link State vs. Distance vector vs. Hybrido Static vs. Dynamico Routing metrics

Hop counts MTU, bandwidth Costs Latency

o Next hopo IGP vs. EGPo Routing tableso Convergence (steady state)

2.1 Given a scenario, install and configure routers and switches:o Routing tableso Managed vs. Unmanaged


When would you configure both static and dynamic routing on the samerouter?

Which type of route is preferred, one with a higher metric or one with alower metric?

Why is the hop count sometimes an unreliable metric for choosing the

best path to a destination network? What is the state of routing tables before convergence is reached? Why

might this cause communication problems in a network?

How does the link state method differ from the distance vector method?

What is the difference between RIP and RIPv2? Why is this important intoday's networks?

Which routing protocol is typically used within an ISP? Which protocol isused on the Internet?


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Which routing protocol(s) divide an autonomous system into areas?

How does IS-IS differ from OSPF?

Video/Demo Time

5.4.1 Routing 11:19

5.4.3 Routing Protocol Characteristics 16:23

5.4.5 Routing Protocols 9:01

5.4.7 Configuring Routing 19:08

Total 55:51


20 questions

Total Time

About 80 minutes


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Section 5.5: NAT and ICS

Summary

This section covers using Network Address Translation (NAT) and InternetConnection Sharing (ICS) to access the Internet. The following concepts arecovered:

The role of NAT

The role of Port Address Translation (PAT)

The role of a NAT router

Implementations of NATo Dynamic NATo Static NAT (SNAT)o Dynamic and Static NAT

The role of private IPv4 address ranges The configuration tasks when using ICS


Implement network address translation (NAT).

Configure Internet connection sharing (ICS).


2.0 Wired Networking

o Identify wired networking devices by name or sight.o Given a scenario where computers must communicate with two or

more wired networks, select and install the appropriate networkingdevice(s).


networking protocols and services.o Given a scenario and network requirements, identify public and

private interfaces and addresses for a NAT implementation.

Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o Classes of addresses

Public vs. Private

2.1 Given a scenario, install and configure routers and switches:o Routing tableso NATo PAT


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5.5 Given a scenario, install and configure a basic firewall:o NAT/PAT


What are two advantages to using NAT? What is the difference between static NAT and dynamic NAT?

What is the relationship between NAT and ICS?

When you configure ICS, what IP address is assigned to the networkinterface to the private network?

What default gateway and DNS server addresses are automaticallydelivered by the ICS computer to hosts on the private network?

Video/Demo Time

5.5.1 Network Address Translation (NAT) 13:235.5.3 Configuring a NAT Router 3:09

5.5.5 Sharing an Internet Connection 3:26

Total 19:58

Lab/Activity

Share an Internet Connection


8 questions

Total Time

About 35 minutes


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Section 5.6: IP version 6

Summary

This section discusses facts about IP version 6. The following concepts are

discussed:

Address formatting conventions for an IPv6 address

Components of a 128-bit addresso Prefixo Interface ID

Features added to IPv6 not available in IPv4

Recommended strategies for IPv6 to IPv4 compatibilityo Dual Stacko Tunnelingo Network Address Translation-Protocol Translation (NAT-PT)


4.0 Network Connection Configurationo Given a Windows system, configure static IP address information

on a network connection for communication within a network.o Given a Windows system, configure the network connection for


query DNS servers.

Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o IPv4 vs. IPv6 (formatting)


What is the primary reason for developing IPv6?

How many hexadecimal numbers are in an IPv6 address? How does thiscompare to a MAC address?

What do you add to an IPv6 address when you remove one or morequartets with all 0's?

What information is included within the IPv6 addressprefix?

How many numbers are used for the interface ID? How can the interfaceID be related to the MAC address?

What is the difference between ISATAP and 6-to-4 tunneling?

What is the difference between tunneling and NAT-PT?


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Video/Demo Time

5.6.1 IP version 6 16:02

5.6.2 Configuring IPv6 Addresses 20:35

Total 36:37

Lab/Activity

Configure an IPv6 Address


2 questions

Total Time

About 50 minutes


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Section 5.7: Multicast

Summary

In this section students will learn how creating a multicast group allows

messages to be received by all group members. Students will learn about thefollowing addressing schemes:

Multicasting

Unicasting

Broadcasting

Additional concepts discussed are:

The function of the Internet Group Management Protocol (IGMP)

The process used when sending a multicast stream

Details about membership of groups Specifics about a multicast IP address

A routers response to multicast traffic

A switchs response to multicast traffic




Network+ Objectives

1.3 Explain the purpose and properties of IP addressing:o Multicast vs. Unicast vs. broadcast

1.6 Explain the function of common networking protocols:o IGMP


How does multicast differ from unicast or broadcast?

What is the IP address range reserved for multicast groups? What does a regular switch do when it receives a multicast frame?

Which device would you configure to prevent multicast traffic from beingsent to non-group members?


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Video/Demo Time

5.7.1 Multicast 8:16


5 questions

Total Time

About 15 minutes


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Section 5.8: Voice over IP (VoIP)

Summary

This section provides the basics of using Voice over IP (VoIP) to provide

telephone calls through a packet switched network such as the Internet.Students will learn:

How to obtain VoIP services

How VoIP uses IP datagrams to send voice data over a network

The advantages of using an IP network for voice transmission

Possible problems with VoIPo Delay (latency)o Jittero Packet losso Echoo Power loss

Implementation of Quality of Service (QoS) measures to reduce thenegative effects of using an IP network




o Given a scenario where a VoIP implementation is required, selectand install the appropriate networking devices and cables.



Network+ Objectives

1.6 Explain the function of common networking protocols:o SIP (VoIP)o RTP (VoIP)

2.1 Given a scenario, install and configure routers and switches:o PoE


What are the advantages of using VoIP compared to traditional phones?What are the disadvantages?


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What switch feature is often used when implementing VoIP?

What is the difference between the SIP and RTP protocols used withVoIP?

How do delay, jitter, and packet loss affect VoIP calls?

Why is Quality of Service (QoS) important for VoIP?

Video/Demo Time

5.8.1 Voice over IP (VoIP) 7:17

Lab/Activity

Configure VoIP 1

Configure VoIP 2

Configure VoIP 3


3 questions

Total Time

About 30 minutes


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Section 5.9: Virtualization

Summary

This section discusses using virtualization to run multiple operating systemsconcurrently on a single physical machine. Details covered include:

Components of virtualization:o Physical machineo Hypervisoro Virtual machineo Virtual Hard Disk (VHD)

Types of virtualization:o Fullo Partialo Paravirtualization

Ways to implement virtualizationo Virtual serverso Virtual desktopso Virtual networkso Offsite virtual networkso Network as a Service (NaaS)




Network+ Objectives

1.9 Identify virtual network components:o Virtual switcheso Virtual desktopso Virtual serverso Virtual PBXo Onsite vs. Offsiteo Network as a Service (NaaS)


What is the relationship between the host and the guest operatingsystems?

What is the function of the hypervisor?

What are the differences between a virtual machine and virtual hard disk?


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Which type of virtualization allows applications to run within the virtualmachine without being modified in any way?

How is Network as a Service (NaaS) similar to the Offsite Datacenter?How is it different?

Video/Demo Time

5.9.1 Virtual Overview 15:01

5.9.3 Virtual Networking 8:01

5.9.4 Using Virtual Networks 7:28

Total 30:30


6 questions

Total Time

About 40 minutes


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Network+ Objectives

2.2 Given a scenario, install and configure a wireless network:o Frequencieso SSID (enable/disable)

3.7 Compare and contrast different LAN technologies:o CSMA/CAo Collision


Under which circumstances might you choose an ad hoc wirelessnetwork?

What device is used to create an infrastructure wireless network?

How do wireless networks control media access?

What is the difference between a BSS and an ESS?

What do wireless clients use to identify a specific wireless access point? How do multiple access points identify themselves as part of the same

network?

Video/Demo Time

6.1.1 Radio Frequency Wireless 7:29

6.1.2 Wireless Architecture 9:41

Total 17:10


1 question

Time

About 25 minutes


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Section 6.2: Wireless Standards

Summary

This section explores 802.11, Infrared, and Bluetooth wireless standards. Details

about 802.11 standards include:

Specifications of common standards:o 802.11ao 802.11bo 802.11go 802.11n

Technologies to improve the speed or distance of wireless transmissionso Multiple Input Multiple Output (MIMO)o Channel bondingo Frame composition

Factors that can affect a wireless network implementationo Distanceo Obstructionso Interferenceo Antenna strengtho Backwards compatibility issueso Dual band access pointo Mixed mode to provide communication with legacy clientso Mixing clients using different standardso Using MIMO and channel bonding to increase speed

Students will learn the following about Infrared (IR) wireless networking:

Light waves employed by Infrared

Modes that are used by infrared deviceso Line of Sight (LoS)o Diffuse Mode

Speed and security of IR

Facts presented about the Bluetooth standard include:

Bluetooth equipped devices

Specifications Master/slave networking mode

Encryption


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3.0 Wireless Networkingo Given a scenario where computers must communicate within a

wireless network, select and install the appropriate networking

devices.o Given a Windows system, configure a wireless network connection

to use the same encryption standard and authentication asconfigured on a wireless access point.

o Given a Windows system, add or update a wireless profile toautomatically connect to a wireless network.

o Given a scenario and a Windows system, prioritize wireless profilesto meet end-user requirements.

Network+ Objectives

2.2 Given a scenario, install and configure a wireless network:o Frequencieso Channelso Wireless standardso Compatibility (802.11 a/b/g/n)

3.3 Compare and contrast different wireless standards:o 802.11 a/b/g/n standards

Distance Speed Latency Frequency

Channels MIMO Channel bonding

5.1 Given a scenario, implement appropriate wireless security measures:o Device placemento Signal strength


What are the differences between 802.11a and 802.11g specifications?

Devices that support the 802.11g standards are typically compatible with

which other wireless standard? How does MIMO differ from channel bonding?

Why is channel bonding typically not used with the 2.4 GHz range?

What happens when an 802.11a device connects to an access point thatsupports both 802.11n and 802.11a? What happens if the access pointuses MIMO and supports dual band?

What is the difference between diffuse mode and line of sight?

Which types of devices typically use Bluetooth wireless?


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Video/Demo Time

6.2.1 802.11 Wireless Standards 15:23

6.2.6 Infrared and Bluetooth 4:50

Total 20:13


10 questions

Total Time

About 35 minutes


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Section 6.3: Wireless Security

Summary

This section examines facts about security on wireless networks.

Authentication methodso Openo Shared keyo 802.1x

Security standards for wireless networkingo Wired Equivalent Privacy (WEP)o Wi-Fi Protect Access (WPA)o Wi-Fi Protected Access 2 (WPA2) or 802.11i

Security best practices to implemento Change the administrator account name and password

o Change SSID from defaultso Update the firmwareo Enable the firewall on the access pointo Disable DHCPo Enable MAC address filtering

Security attacks that wireless networks are vulnerable to:o Rogue access pointo Data emanationo Packet sniffingo Initialization Vector (IV) attacko Interference

Electromagnetic Interference (EMI) Radio Frequency Interference (RFI)

o Bluetooth Bluejacking Bluesnarfing Bluebugging



wireless network, select and install the appropriate networkingdevices.

o Given a Windows system, configure a wireless network connectionto use the same encryption standard and authentication asconfigured on a wireless access point.



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Network+ Objectives

2.2 Given a scenario, install and configure a wireless network:o SSID (enable/disable)

5.1 Given a scenario, implement appropriate wireless security measures:o Encryption protocols

WEP WPA WPA2 WPA Enterprise

o MAC address filtering

5.4 Explain common threats, vulnerabilities, and mitigation techniques:o Wireless

War driving War chalking WEP cracking WPA cracking Evil twin Rogue access point

o Attacks Man in the middle Packet sniffing

o Mitigation techniques Policies and procedures


What does open authentication use for authenticating a device? Why isthis not a very secure solution?

What two additional components are required to implement 802.1xauthentication?

What does WEP use for the encryption key? Why does this present asecurity problem?

Why should you notuse shared key authentication with WEP?

What is the difference between WPA Personal and WPA Enterprise?

You have an access point that currently supports only WEP. What wouldyou typically need to do to support WPA2?

What is the encryption method used with WPA? WPA2?

Which default values should you always change on your wirelessnetwork?


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Video/Demo Time

6.3.1 Wireless Security 11:05

6.3.3 Wireless Attacks 13:28

Total 24:33


9 questions

Total Time

About 40 minutes


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Section 6.4: Wireless Configuration

Summary

This section provides information about configuring a wireless network. Possible

configuration tasks include:

Setting the SSID

Configuring the region (AP only)

Configuring the channel

Configuring security

Configuring the beacon


Select and install wireless networking devices based on speed andnetwork requirements.

Configure a wireless access point.

Configure wireless network connections.



wireless network, select and install the appropriate networkingdevices.

o Given a Windows system, configure a wireless network connectionto use the same encryption standard and authentication asconfigured on a wireless access point.



Network+ Objectives

2.2 Given a scenario, install and configure a wireless network:o WAP placemento Interferenceo Frequencieso Channelso Wireless standardso SSID (enable/disable)o Compatibility (802.11 a/b/g/n)


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You are configuring a wireless network with multiple access points. Whenconfiguring the channel and the SSID, which value should match on allaccess points, and which should be different?

When might you configure an access point to not use encryption? You have a device that supports only WEP. What could you possibly do to

enable it to use WPA?

What is the effect of decreasing the beacon interval on wireless traffic?How does increasing the beacon interval affect the ability of clients toconnect to the wireless network?

Video/Demo Time

6.4.1 Wireless Network Configuration 9:16

6.4.3 Configuring Wireless Networks 10:15

Total 19:31

Lab/Activity

Create a Wireless Network Secure a Wireless Network Select a Wireless Adapter Configure Wireless Profiles


8 questions

Total Time

About 50 minutes


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Section 7.1: WAN Concepts

Summary

In this section students will learn concepts about Wide Area Networks (WAN)technologies, structure and services.

Common WAN carrierso POTSo T1o T3o E1o E3o J1o J3o OC-1o OC-3o OC-12o OC-24o OC-48o OC-192o OC-256o OC-768

Components of a WANo WAN cloudo Central office (CO)o Local loopo Demarcation point (demarc)o Consumer Premises Equipment (CPE)o Channel Service Unite/Data Service Unit (CSU/DSU)

Methods to transfer datao Circuit switchingo Packet switching

WAN serviceso Public Switched Telephone Network (PSTN)o Integrated Services Digital Network (ISDN)o Frame Relayo Asynchronous Transfer Mode (ATM)o Synchronous Optical Networking (SONET)o Multiprotocol Label Switching (MPLS)




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Network+ Objectives

3.4 Categorize WAN technology types and properties:o Types

T1/E1 T3/E3 OCx SONET ISDN Frame relay ATMs

o Properties

Circuit switch Packet switch Speed Transmission media

3.5 Describe different network topologies:o MPLSo Point to Pointo Point to Multipoint

3.8 Identify components of wiring distribution:o Demarco CSU/DSU


What is the optical carrier specification base rate? Why is the base ratesignificant?

What are the differences between T1 and T3? E1 and E3? J1 and J3?

With WAN technologies, what is a channeland how is it important?

What is the difference between a packet switched network and a circuitswitched network?

What are the two parts of a CSU/DSU and what functions do eachperform?

Which WAN technology uses fixed-length cells? Which WAN technology is a transport technology for carrying signals over

fiber optic cables?

Which WAN technology can be implemented over regular telephone lines?

How does MPLS add labels to packets? What are these labels used for?


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Video/Demo Time

7.1.1 WAN Technologies 12:49

7.1.2 WAN Structure 6:29

7.1.3 WAN Services 15:12

Total 33:30


17 questions

Total Time

About 60 minutes


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Section 7.2: Internet Connectivity

Summary

This section discusses connecting to the Internet through an ISP. The following

methods are presented:

Public switched telephone network (PSTN)

Digital Subscriber Line (DSL)

Integrated Services Digital Network (ISDN)

Cable

Satellite

Cellular

Wireless

Broadband over power line (BPL)

Integrated Services Digital Network (ISDN)


Select and install components to connect to the Internet through the PSTNusing dial-up and DSL.

Configure a dial-up connection.


2.0 Wired Networkingo

Identify wired networking devices by name or sight.o Given a scenario where computers must communicate with two or


Network+ Objectives


o List of requirementso Cable lengtho

Device types/requirementso Environment limitationso Equipment limitationso Compatibility requirements

3.4 Categorize WAN technology types and properties:o Types

Satellite Cable


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DSL Cellular WiMAX

o Properties Speed

Transmission media Distance


What connection speeds should you expect with a PSTN Internetconnection?

What is multiplexing? How does this increase the bandwidth of aconnection?

How does DSL enable you to talk on the phone and connect to theInternet at the same time?

What are the requirements for qualifying for DSL service? Which DSL service does not support simultaneous voice and data

transmissions?

What is the difference between BRI and PRI with ISDN?

What is the difference between a B channel and a D channel?

What are the disadvantages of a satellite Internet connection?

Video/Demo Time

7.2.1 Traditional Internet Connectivity 20:22

7.2.2 Mobile Internet Connectivity 9:56

7.2.3 Fiber and Power Line Internet Connectivity 10:44

Total 41:02

Lab/Activity

Connect to a DSL Network


13 questions

Total Time

About 65 minutes


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Section 7.3: Remote Access

Summary

This section examines establishing a remote access connection to allow a

remote host to access resources on a local network. The following processes arepresented:

Physical connection

Connection parameterso Point-to-Point Protocol (PPP)o PPP over Ethernet (PPPoE)

Authenticationo Challenge Handshake Authentication Protocol (CHAP)o Microsoft Challenge Handshake Authentication Protocol (MS-

CHAP)o Extensible Authentication Protocol (EAP)

Authorization

Accounting

Common AAA server solutions:o Remote Authentication Dial-In User Service (RADIUS)o Terminal Access Controller Access-Control System Plus

(TACACS+)


Create and configure a remote access connection.

Configure a server for remote access connections.

Configure a RADIUS solution to provide AAA for remote access.


2.0 Wired Networkingo Identify wired networking devices by name or sight.o Given a scenario where computers must communicate with two or


Network+ Objectives




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5.2 Explain the methods of network access securityo Remote access

RAS PPPoE PPP

5.3 Explain methods of user authenticationo AAA

RADIUS TACACS+

o CHAPo MS-CHAPo EAP


What functions are performed by PPP for remote access connections?

How does PPPoE differ from PPP?

Why is proxy ARP necessary for dialup remote access clients?

How does EAP differ from CHAP or MS-CHAP?

What is the difference between authenticationand authorization?

What is an advantage of using RADIUS or TACACS+ in your remoteaccess solution?

How does RADIUS differ from TACACS+?

Video/Demo Time

7.3.1 Remote Access 21:35

7.3.3 Configuring a Remote Access Server 9:31

7.3.4 Creating a Remote Access Connection 10:01

7.3.6 Configuring a RADIUS Solution 6:52

Total 47:59

Number of Exam Questions10 questions

Total Time

About 65 minutes


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Network+ Objectives

1.5 Identify commonly used TCP and UDP default portso TCP ports

SMTP - 25 HTTP - 80 HTTPS - 443 FTP - 20, 21 TELNET - 23 IMAP - 143 RDP - 3389 SSH - 22 DNS - 53 DHCP - 67, 68

2.1 Given a scenario, install and configure routers and switches:o

Traffic filtering 4.1 Explain the purpose and features of various network appliances:

o Proxy servero Content filter

5.2 Explain the methods of network access security:o ACL

MAC filtering IP filtering Port filtering

5.5 Given a scenario, install and configure a basic firewall:o Types

Software Hardware

o Port securityo Stateful inspection vs. packet filteringo Firewall rules

Block/allow Implicit deny ACL

o DMZ


How does a packet filtering firewall differ from a circuit-level gateway?

Why is a packet filtering firewall a statelessdevice?

What types of filter criteria can an application layer firewall use forfiltering?

What type of computers might exist inside of a demilitarized zone (DMZ)?

Which security device might you choose to restrict access by useraccount?

8/10/2

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