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Exercise 5. Questions to answer.




1. What is a computer network? 2. How are the connections or network links between nodes organised? 3. What is the best-known computer network? 4. What is a network node? 5. When are two devices said to be networked? 6. What do computer networks support? 7. What do computer networks differ in? 8. How many network technologies exist? 9. What is a wired technology? What four ways of wired technology are mentioned in the text? 10. What is a twisted pair technology? 11. What is a coaxial cabletechnology? 12. What is an ITU-TG.hn technology? 13. What is an optical fiber technology? 14. What is a wirless technology? What five ways of wireless technology are mentioned in the text? 15. What is a Terrestrial microwavetechnology? 16. What is a Communications satellites technology? 17. What is a Cellular and PCS systems technology? 18. What are Radio and spread spectrum technologies? 19. What is a Free-space optical communication technology? 20. What exotic technologies are mentioned in the text? 21. What is a communication protocol? 22. What is a protocol stack? 23. What are characteristics of communication protocols? 24. What does network security consist of? 25. What is Network resilience? 26. Do users and network administrators typically have the same views of their networks? 27. What is the idea of users about their network? 28. What is the idea of network administrators about their network? 29. What is an intranet? 30. What is an extranet? 31. What is an Internet? 32. What communications can be organised by Internet? 33. What is the difference between intranet or extranet users and Internet users?

 

Exercise 6. Translate from Russian into English

A.

.

. : , , -, , , , (, , , ..).

, . Ethernet - .

, , , , .

, Wi - Fi, , , .

, , -, , , , .

, , , (, , , ..).

 

B.

. .

: , . , , , .

: , .

: .

, , .

 

C.

. , . , .

.

- .

 

Exercise 7. Match words.

 

ENGLISH WORD
access point
backbone , , , ,
bus
client-server
hotspot ,
hub Wi-Fi, -, , , , ( , , )
LAN (Local Area Network) WLAN ( )
networking
node
peer-to-peer
ring -
router , ,
star
topology
tree
WAN (Wide Area Network) LAN ( )
Wi-Fi, wireless fidelity
wireless adapter
wireless WAN
WLAN (Wireless Local Area Network)
workstation ( )

 





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