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uyen The Nhat - Take Exam

am questions

me remaining: 01: 12: 47

You want to statically define an ARP entry. Which command do you use?

A

B

C

D

What categories of information should you take into consideration when you document the properties of a router for a Networkfiguration Table? (Choose three)

STP state

interface IP address

routing protocol information

EtherChannel configuration

management IP address

interface types

What command would you use to display the LMI DLCI number on a Frame Relay interface?

show frame-relay map

show frame-relay pvc

show frame-relay dlci

show frame-relay stats

What command would you use to display the contents of all current IP access lists?

show ip access-lists

show ip access lists

show ip acl

show ip access lists /all

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Which network management product allows you to see the effect that certain changes will make on a network without actuallying the changes?

TrafficDirector

NetSys

CiscoWorks

CiscoView

he following is output from the debug ppp negotiation command. What does this output tell you?

The remote side is not responding

This is a normal negotiation, where both sides agree on Network Control Program (NCP) parameters

The local side is not responding

The router is not trying to bring up LCP

What would you most likely use to check for attenuation?Digital Multimeter

Breakout Box

Protocol Analyzer

Cable Tester

What are three ways that the ARP entries from the ARP Cache table are removed?

Clear the routing table

Reboot the router

Use the clear arp-cache command

Enter a default route on the router

When the TTL (Time-To-Live) expires

What four groups in the RMON specification (RFC 1757) does the Catalyst 5000 embedded RMON agent support?

Statistics Group

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Supervisor Group

History Group

Alarms Group

Events Group

Which of the following produces the lowest logging overhead?

console

buffer

syslog server

virtual terminal server

What is true regarding the LMI?

It must be configured manually

It is automatically auto-sensed on a router

Your LMI does not have to match the service providers LMI

If your router supports auto-sensing, you cant manually configure the LMI

Which command would you use to clear all statistics from access list statements?

clear ip access-list counters

clear ip access list counters

clear access-list counters

clear access list counters

You receive the following output: Router#traceroute 10.3.3.3 Type escape sequence to abort. Tracing the route to 10.3.3.3 1.1.1 4 msec 4 msec 4msec 2 U U U 3 U U U ^C Router# What does this output mean?

A timed-out request

An Unknown packet type

The network is not reachable

The port is not reachable

Which of the following documentation traits have to be addressed when creating network diagram standards?

Inventory

Abbreviations

Configurations

Command syntax

None of the above

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What tool should you use to check for shorts, sharp bends, crimps, kinks, impedance mismatches, and other defects in youring?

Digital Multimeter

Volt-Ohm Meter

TDR

Network Monitor

Which network applications run over UDP?

SNMP

RPC

DNS

TFPT

IPX

What feature must you have to access additional RMON groups?

Spanning Tree

SPAN

RMON8

CWSI

You want your router to rediscover a reconfigured device and allow the router to be aware of newer devices. Which command

ld you use?

A

B

C

D

When troubleshooting a network, what are the advantages of using a logically layered network model?

Focus on physical, data link and network layers to isolate a problem.

Focus on specific elements to isolate a problem.

Focus on physical layers to isolate a problem

Focus on transport and application layers to isolate a problem.

None of the above.

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What is the advantage of a connectionless protocol?

Robustness

Security

Speed

Error checking

Which one of the following is the leading cause of lost network availability?

Natural disasters

Operational errors

Network device software failures

Network device outage at single points of failure in the topology

End user error

What tool should you use to check for attenuation and return loss in the three predominant wavelengths -- 850nm, 1300nm, and0nm?

TDR

Fiber Optic Cable Tester

Volt-Ohm Meter

Digital Multimeter

Which processes does TCP, but not UDP, use? Choose two.

Windowing

Acknowledgements

Source Port

Destination Port

You want to display the current TCP/IP network configuration parameters on a Windows 98 client. What command would you

ipconfig

winipcfg

winipconfig

winipcfg /showclassid

What does the following output from the debug isdn q931 command tell you?

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A call teardown procedure from the router

A call teardown procedure from the network

A call setup procedure for an outgoing call

A call setup procedure for an incoming call

According to Ciscos problem-solving model, what should a network troubleshooter do after they have resolved a problem?

Gather facts about the problem.

Call TAC to have the case closed.

Document the changes that were made.

Try the same solution on another router to verify the fix.

What command would you use to show the BRI 0 PPP status?

show ppp link

debug bri

show isdn status

show interface

What would be a symptom of a connection-oriented protocol that would be an indication of a problem?

Errors not being reported back to the sender

Multiple retransmission of data segments

Data not being acknowledged

Data arriving out of order

You want to know which devices your router can access out of the FastEthernet0 port at this particular moment. Which commanduld you use?

show interface fastethernet0

show ip packets

show arp

show cache

Which of the following components should you include in an End-System Topology Diagram? (Choose all that apply.)

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Device illustration

Operating system

IP routing protocol

Connection to the network

Device name

VTP domain

While using the debug isdn q921 command, what is the first AI value after doing a no shut on the BRI 0 interface to start a TEIminal Endpoint Identifier)?

0

64

127

128

What should you check when troubleshooting a connectionless-oriented protocol?

Check connection oriented upper layers

Multiple retransmission of data segments

Errors not being reported back to the sender

Verify sequence numbers, acknowledgements, and window sizes

Which of the following commands converts broadcast messages into directed broadcast or unicast messages?

ip dhcp pool

ip helper-address

ip bootp agent

netbios-name-server

Which of the following pieces of information are relevant to an end-system network configuration table? Select four.

network media type

DNS server address

default gateway address

routing protocol characteristics

operating system and version

IP address and subnet mask

When analyzing a network problem; in what terms should a network troubleshooter define the problem?

Symptoms and root causes

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Root causes and root benefits

Benefits and ROI

Causes and benefits

Symptoms and potential causes

If the IP helper address is specified and UDP forwarding is enabled, broadcast packets destined for the following protocols arewarded by default:

TFTP (port 69)

DNS (port 53)

Time (port 37)

TACACS (port 49)

BootP server and BootP client (ports 67 and 68, respectively)

NetBIOS Name Server (port 137)

NetBIOS Datagram Service (port 138)

All of the above

Only A, B, C, and D

Only B, D, E, F, and G

A problem while troubleshooting fiber optic networks is called fiber optic asymmetric connectivity? Which of the following bestribes this?

Both sides of a transmit and receive cable pair fails

The transmit cable fails while the receive cable continues working

The receive cable fails while the transmit cable continues working

One side of a transmit and receive cable fails, but the remaining cable nonetheless forwards frames

What does the following output from the debug isdn q931 command tell you?

A call teardown procedure from the router

A call teardown procedure from the network

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A call setup procedure for an outgoing call

A call setup procedure for an incoming call

You want to set up a default gateway on your router so that any IP address with any subnet mask will be sent out of the interface16.100.1. What command would you use to accomplish this?

Router(config)#ip route 0.0.0.0 0.0.0.0 172.16.100.1

Router(config)#ip route any any 172.16.100.1

Router#ip route 0.0.0.0 0.0.0.0 172.16.100.1

Router(config-if)#ip route 0.0.0.0 0.0.0.0 172.16.100.1

Which of the following is a network process characterized by the following: Log in, Interface discovery, and Device discovery?

Network testing

Network documentation

Network configuration

Network troubleshooting

All of the above

Only the local DLCI 0 and DLCI 1023 come up. What should you do?

Check again in 5 minutes because DLCIs take approximately 5 minutes to become active after being configured

Use the show frame-relay map command to check the status of the DLCIs

Change the encapsulation to ITU-T

Focus your troubleshooting at the other end of the connection

Which of the following best describes the process of the connection-oriented three-way handshake?

Three packets consisting of SYN, SYN/ACK, ACK

Two packets consisting of SYN, SYN/ACK (the second and third parts of the three-way handshake are including in the secondket)

Three packets consisting of ACK, SYN, SYN/ACK

Three packets consisting of SYN, ACK, SYN

Read and answer the question:

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The remote side is not responding

This is a normal negotiation, where both sides agree on Network Control Program (NCP) parameters

The local side is not responding

The router is not trying to bring up LCP

While looking at a datagram, you notice that the Protocol field contains 17. What protocol is being used to send the datagram?

TCP

IP

UDP

ICMP

What are two major network management protocols?

SNMP

CHAP

PAP

RMON

Which network management product provides configuration management?

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TrafficDirector

NetSys

CiscoWorks 2000

CiscoView

Encryption and tunneling protocols that work with PAT (Port/Address Translation) sometimes have problems. At which OSI levelAT problems exist at?

Data Link Layer

Network Layer

Transport Layer

Presentation Layer

Physical Layer

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