Computer Quiz 25/1/2016

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1. The application layer of the OSI model is the

a. seventh layer

b. sixth layer

c. fifth layer

d. fourth layer

2. Working of the WAN generally involves

a. satellite

b. frame delay

c. ATM

d. user agent

3. Which of the following technique provides dedicated communication channel between two stations.

a. switch network

b. circuit switching

c. packet switching

d. none of these

4. End-to-end conncectivity is provided from host-to-host in

a. network layer

b. session layer

c. data link layer

d. transport layer

5. Base band is

a. transmission of signals without modulation

b. a signal all of whose energy is contained within a finite frequency range.

c. the simultaneous transmission of data to a number of stations

d. all of the above

6. The simultaneous transmission of data to a number of stations is known as

a. Broad cast

b. Bandwidth

c. Aloha

d. Analog transmission

7. The communication mode that supports data in both directions

a. simplex

b. half duplex

c. duplex

d. multiplex

8. Modulation is the process of

a. sending a file from one computer to another computer

b. converting digital signals to analog signals

c. converting analog signals to digital signals

d. echoing every character that is received

9. A distributed network configuration in which all data/information pass through a central computer is

a. bus network

b. star network

c. duplex

d. multiplex

10. To connect a computer with a device in the same room, you might be likely to use

a. a coaxial cable

b. a dedicated time

c. a ground station

d. all of the above

Answers:

1. a
2. a
3. b
4. d
5. a
6. a
7. b
8. b
9. b

10. a

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