Computing

Question 1

1A peer-to-peer network is one where

Medium

A. computers share resources directly without a central server B. no data is shared C. one server controls all clients D. only one computer exists

Question 2

2Half-duplex transmission means data flows

Medium

A. only at night B. in one direction only C. in both directions at the same time D. in both directions, but only one way at a time

Question 3

3Transmission in both directions at the same time is called ___-duplex.

Medium

Your answer (fill in the blank)

Question 4

4Satellite communication is useful because it

Medium

A. has no delay B. never fails in bad weather C. can reach remote areas without cables D. is free

Question 5

5Fibre-optic cable carries data as electrical signals.

Easy

A. True B. False

Question 6

6Twisted pair cable is commonly used for

Medium

A. undersea links B. radio broadcasts C. satellite links D. Ethernet in LANs

Question 7

7A wireless access point (WAP)

Medium

A. lets wireless devices connect to a wired network B. prints documents C. stores websites D. is a type of cable

Question 8

8A modem

Medium

A. is an input device only B. stores files C. is a type of RAM D. converts digital signals to analogue for transmission and back again

Question 9

9A walkie-talkie is an example of half-duplex communication.

Medium

A. True B. False

Question 10

10In a client-server network

Easy

A. no passwords are used B. all computers are equal C. there are no computers D. a central server provides services to client computers