Computer Networks Mock Test 1

10%

Question 1 of 10

1. When 2 or more bits in a data unit has been changed during the transmission, the error is called ____________

double error

inverted error

burst error

random error

Question 1 of 10

Question 2 of 10

2. Which layer is used to link the network support layers and user support layers?

session layer

data link layer

transport layer

network layer

Question 2 of 10

Question 3 of 10

3. In virtual circuit network each packet contains ___________

only destination address

full source and destination address

a short VC number

only source address

Question 3 of 10

Question 4 of 10

4. In the OSI model, as a data packet moves from the lower to the upper layers, headers are _______

Added

Randomized

Rearranged

Removed

Question 4 of 10

Question 5 of 10

5. How many layers are present in the Internet protocol stack (TCP/IP model)?

Question 5 of 10

Question 6 of 10

6. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called ____________

cyclic redundancy check

fletcher's checksum

piggybacking

parity check

Question 6 of 10

Question 7 of 10

7. Communication channel is shared by all the machines on the network in ________

broadcast network

unicast network

anycast network

multicast network

Question 7 of 10

Question 8 of 10

8. TCP/IP model does not have ______ layer but OSI model have this layer.

application layer

network layer

transport layer

session layer

Question 8 of 10

Question 9 of 10

9. Which of the following statements can be associated with OSI model?

A structured way to discuss and easier update system components

It is an application specific network model

Functionality at one layer no way requires information from another layer

One layer may duplicate lower layer functionality

Question 9 of 10

Question 10 of 10

10. Which of the following routing algorithms can be used for network layer design?

distance vector routing

shortest path algorithm

link state routing

all of the mentioned

Question 10 of 10