MCQs on Computer Networking - 15

1. How many cross points are needed in a single stage switch with 40 inputs and 50 outputs.

(A) 40
(B) 50
(C) 90
(D) 2000


2. What is the type of network in which the topology change from time to time?

(A) Wi-Fi
(B) Cell Network
(C) 
MANET 
(D) LAN



3. A well -defined groups that are numerically large in size but small compared to the network as a whole are used in …………………..

(A) Unicast routing
(B) Multicast routing
(C) Broadcast routing
(D) Telecast routing


4. A single channel is shared by multiple signals by

(A) analog modulation
(B) digital modulation
(C) multiplexing
(D) none of the above



5. Which of the following signal is not standard RS-232-C signal?

(A) VDR
(B) RTS
(C) CTS
(D) DSR


6. User datagram protocol is called connectionless because

(A) all UDP packets are treated independently by transport layer
(B) it sends data as a stream of related packets
(C) both (A) and (B)
(D) none of the above


7. In a time division switch, a ……………… governs the destination of a packet stored in RAM.

(A) TDM bus
(B) cross bar
(C) 
control unit 
(D) cross point


8. The entities comprising the corresponding layers on different layers on different machines are called ............. processes. 

(A) entity
(B) peer
(C) peer-to-peer
(D) layred


9. In ……………….. all frames are given to the computer, not to those addressed.

(A) Promiscuous mode
(B) Miscues mode
(C) Normal mode
(D) Special Mode


10. In multicast routing with spanning tree method, a network with n groups, each with an average of m members, for each group we require ………………..

(A) n pruned spanning trees must be stored for a total of mn trees
(B) m pruned spanning trees must be stored for a total of m trees
(C) n pruned spanning trees must be stored for a total of n trees
(D) m pruned spanning trees must be stored for a total of mn trees

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