Computer engineering

 

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Appendix 5. Listening activity.
Listen to a sales representative explaining a new service to a client.
Answer the questions 
1.How secure is the current system? 
2. How secure is VPN 
3. Compared with current system, how easy is VPN? 
Appendix 6. Post practice activity 
Use the word’s in the box to complete the sentences. 
LAN nodes hub 

backbones 
WLAN peer-to-peer server 
 
1 All the PCs on a …………………….are connected to one ………………., which is a 
powerful PC with a large hard disk that can be shared by everyone. 
2 The style of…………………networking permits each user to share resources such as printers. 
3 The star is a topology for a computer network in which one computer occupies the central 
part and the remaining ……………………are linked solely to it. 
4 At present Wi-Fi systems transmit data at much more than 100 times the rate of a dial-up 
modem, making it an ideal technology for linking computers to one another and to the Net in a 
……………………….. . 
5 All of the fibre-optic ……………………of the United States, Canada and Latin America 
cross Panama. 
6 A …………………joins multiple computers ( or other network devices) together to form a 
single network segment, where all computers can communicate directly with each other. 
 
Appendix 7. Hometask 
Speak about LAN and topology using the chart. 
 
 
 

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DATE:___________________ 
TOPIC: Unit 6: Networking. The Internet. The World Wide Web. 
Components of the Internet. 
 
LESSON MATERIALS