Operating-Systems
January 18, 2024
Artificial-Intelligence
January 18, 2024
Operating-Systems
January 18, 2024
Artificial-Intelligence
January 18, 2024

NTA UGC NET Dec 2023 Paper-2

Question 2
Which of the following statement(s) is/are NOT CORRECT ?
(A) OSPF is based on distance-vector routing protocol.
(B) Both link-state and distance-vector routing are based on the least cost goal.
(C) BGP4 is based on the path-vector algorithm.
(D) The three-node instability can be avoided using split horizon combined with poison reverse.
(E) RIP is based on link state algorithm.
Choose the correct answer from the options given below:
A
(A), (D) and (E) Only
B
(A) and (B) Only
C
(B) and (C) Only
D
(B), (C) and (E) Only
Question 2 Explanation: 
(A) OSPF is based on distance-vector routing protocol. – This statement is incorrect. OSPF (Open Shortest Path First) is a link-state routing protocol, not distance-vector.
(D) The three-node instability can be avoided using split horizon combined with poison reverse. – This statement is correct. Split horizon and poison reverse are techniques used to avoid the count-to-infinity problem in distance-vector routing protocols.
(E) RIP is based on the link-state algorithm. – This statement is incorrect. RIP (Routing Information Protocol) is a distance-vector routing protocol, not a link-state.
Correct Answer: A
Question 2 Explanation: 
(A) OSPF is based on distance-vector routing protocol. – This statement is incorrect. OSPF (Open Shortest Path First) is a link-state routing protocol, not distance-vector.
(D) The three-node instability can be avoided using split horizon combined with poison reverse. – This statement is correct. Split horizon and poison reverse are techniques used to avoid the count-to-infinity problem in distance-vector routing protocols.
(E) RIP is based on the link-state algorithm. – This statement is incorrect. RIP (Routing Information Protocol) is a distance-vector routing protocol, not a link-state.

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