Most asked top Interview Questions and Answers & Online Test
Education platform for interview prep, online tests, tutorials, and live practice

Build skills with focused learning paths, mock tests, and interview-ready content.

WithoutBook brings subject-wise interview questions, online practice tests, tutorials, and comparison guides into one responsive learning workspace.

Search the library
Prepare Interview

OSPF Interview Questions and Answers

Ques 6. What is the OSPF SPF algorithm?

SPF (Shortest Path First) is the algorithm used by OSPF to calculate the shortest path tree and determine the best routes in the network.

Is it helpful? Add Comment View Comments
 

Ques 7. Differentiate between OSPF areas and autonomous systems.

OSPF areas are subdivisions of an OSPF autonomous system. An OSPF autonomous system is a collection of OSPF areas connected by a backbone area (Area 0).

Is it helpful? Add Comment View Comments
 

Ques 8. Explain OSPF LSA types and their functions.

OSPF LSAs (Link State Advertisements) include Router LSAs, Network LSAs, Summary LSAs, ASBR Summary LSAs, and External LSAs, each serving a specific purpose in the OSPF network.

Is it helpful? Add Comment View Comments
 

Ques 9. How does OSPF handle equal-cost paths?

OSPF allows for load balancing across equal-cost paths by installing multiple routes in the routing table.

Is it helpful? Add Comment View Comments
 

Ques 10. What is OSPF convergence time?

Convergence time is the duration it takes for OSPF routers to update their routing tables after a topology change. OSPF typically has fast convergence due to its incremental SPF algorithm.

Is it helpful? Add Comment View Comments
 

Most helpful rated by users:

Copyright © 2026, WithoutBook.