Tuesday, 15 January 2013

UGC Net sample questions

Sample Questions from Networking
June 2012

54. What is the size (in terms of bits) of Header length field in IPV4 header ?
(A) 2 (B) 4
(C) 8 (D) 16
Answer: B

6. Both hosts and routers are TCP/IP protocol software. However, routers do not use protocol from all layers. The layer for which protocol software is not needed by a router is
(A) Layer – 5 (Application)
(B) Layer – 1 (Physical)
(C) Layer – 3 (Internet)
(D) Layer – 2 (Network Interface)
Answer: B

December 2009

26. Device on one network can communicate with devices on another network via a
(A) Hub/Switch (B) Utility server
(C) File server (D) Gateway
Answer: D
December 2008            


19. An example of a non-adaptive routing algorithm is:
(A). Shortest path routing (B). Centralised routing
(C). Baran’s hot potato algorithm (D). Baran’s backward learning algorithm
Answer: A

1. Gateways function in which of the following osi layer
 a. physical layer b. network layer c. session layer d. all seven layer
Answer: D

2. Bridge function in the following OSI layer
a. physical layer b. data link layer
c. network layer d. session layer
Answer: B

3. A repeater takes weakened or corrupted signal and
a. amplifies the signal b. regenerates the signal
c. resample the signal d. reroute the signal
Answer: B

4. Error detection at data link level is achieved by
a. Bit stuffing    b. cyclic redundancy check
c. Hamming code   d. Equalization
Answer: B
Next : Fragmentation of a datagram 
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