MCQs on Computer Networking - 17

1. ICMP is primarily used for

(A) error and diagnostic functions
(B) addressing
(C) forwarding
(D) none of the mentioned



2. Transport layer aggregates data from different applications into a single stream before passing it to

(A) network layer
(B) data link layer
(C) application layer
(D) physical layer



3. FDDI used which type of physical topology?

(A) Bus
(B) Ring
(C) Star
(D) Tree


4. Which of the following is not a transmission medium?

(A) telephone lines
(B) coaxial cables
(C) modem
(D) microwave systems



5. Which of hte following is considered a broad band communication channel?

(A) coaxial cable
(B) fiber optics cable
(C) microwave circuits
(D) all the above



6. Which of the following statement is incorrect?

(A) The difference between synchronous and asynchronous transmission is the clocking derived from the data in synchronous transmission.
(B) Half duplex line is a communication line in which data can move in two directions, but not at the same time.
(C) Teleprocessing combines telecommunications and DP techniques in online activities
(D) Batch processing is the prefered processing mode for telecommunication operation.



7. The solution to decrease the load on the network when congestion occurs is ……………..

(A) splitting the traffic over multiple routes
(B) 
denying service to the users 
(C) usage of spare routers
(D) increasing the transmission power



8. Network congestion occurs

(A) in case of traffic overloading
(B) when a system terminates
(C) when connection between two nodes terminates
(D) none of the mentioned


9. In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are

(A) Added
(B) Removed
(C) Rearranged
(D) Modified



10. In …………… case higher bandwidth can be achieved.

(A) connectionless networks
(B) connection oriented networks
(C) virtual circuit networks
(D) optical networks

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