principles of technology computing fundamentals
DESCRIPTION
Principles of Technology Computing Fundamentals. Unit 4- Networks. Objectives. Identify what a network is. Describe the benefits of a network. Identify ways to connect to a network. Compare & contrast a client-server network and a peer to peer network. Describe a LAN. Describe a WAN. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/1.jpg)
Principles of TechnologyComputing Fundamentals
Unit 4- Networks
![Page 2: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/2.jpg)
Identify what a network is. Describe the benefits of a network. Identify ways to connect to a network. Compare & contrast a client-server network
and a peer to peer network. Describe a LAN. Describe a WAN. Describe the Internet Compare & contrast an Intranet & Extranet.
Objectives
![Page 3: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/3.jpg)
Computers need to communicate with each other
2 or more connected devices◦ Share files & resources
Standards allowed them to “speak the same language”
Computer Networks
![Page 4: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/4.jpg)
Central Storage of files
Share files, resources, printers
Maintain network centrally
Secure
Backup
Network Benefits
![Page 5: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/5.jpg)
Unauthorized shared data
Network failure
Easy to spread malicious programs & viruses
Loss of privacy
Network Disadvantages
![Page 6: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/6.jpg)
NIC Ethernet Cable Wireless NIC Router Cable/DSL/FiOS Modem
Networking Components
![Page 7: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/7.jpg)
Client-Server Network Used in
business/schools
Computers & devices connect to a server
![Page 8: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/8.jpg)
Peer to Peer Network Used at home (NO SERVER) Router allows devices to connect to each other Also allows shared Internet connection
![Page 9: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/9.jpg)
Comcast Cable Modem◦ Through cable TV wire◦ High Speed Broadband
Verizon DSL◦ Over phone line◦ High Speed Broadband◦ Limited distance
Verizon FiOS◦ Over fiber cable line◦ High Speed Broadband◦ Limited areas
Sharing Internet at Home
![Page 10: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/10.jpg)
Look at Modem’s WAN or INTERNET port
Comcast◦ Coax Cable Wire
Verizon DSL◦ DSL Modem connects to Phone Jack◦ Filters on phones
Verizon FiOS◦ Cable Wire
Dial-Up◦ Computer modem to phone jack
Identify what you have?
![Page 11: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/11.jpg)
What Do You Have at Home?
Identify your Internet connection
Add a diagram to your “My Computer” PPT◦ Use pictures of your devices◦ Show wired & wireless connections◦ Show modems/routers and how they connect◦ Don’t forget cell phones, TV’s, video games,
tablets, thermostats, etc.
Assignment
![Page 12: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/12.jpg)
Network Categorized- LAN
LAN◦ Local Area Network◦ Devices connected in small area◦ This classroom, this school, your house
![Page 13: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/13.jpg)
Network categoriezed- WAN
WAN◦ Wide Area Network◦ Connects LANs◦ Over a large geographic area
![Page 14: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/14.jpg)
Internet Originally for government
Largest network
What’s the most commonly used feature on the Internet?◦ Email◦ Email is stored on a server
NOT ON PC
![Page 15: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/15.jpg)
What device allows the sharing of Internet access?◦ Router
What is the purpose of a network?◦ Sharing files & resources
How many wires are in an Ethernet cable?◦ 8
What does LAN stand for?◦ Local Area Network
Review
![Page 16: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/16.jpg)
Intranet Looks like Internet
Private◦ Only works w/in company network◦ Great security
Handbooks, forms, news, policies
![Page 17: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/17.jpg)
Intranet Screenshot
![Page 18: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/18.jpg)
Extranet Private
◦ Allows outside organization to access internal info◦ Extension of intranet
Outside suppliers
Employees
Strict security◦ Username & password
![Page 19: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/19.jpg)
Extranet Screenshots
![Page 20: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/20.jpg)
End of Day Two
Review A room of 5 connected computers describes
a…◦ LAN
To connect to a network, your PC must have a…◦ NIC
This type of “Internet” is for internal use only within a business.◦ Intranet
![Page 21: Principles of Technology Computing Fundamentals](https://reader035.vdocuments.site/reader035/viewer/2022062521/568168b3550346895ddf7f8d/html5/thumbnails/21.jpg)
Principles of TechnologyComputing Fundamentals
Unit 4- Networks