Market is on boom and almost every company has opened its door for new positions and everyone is looking for change to grab new positions with new challenges. So make sure that you have prepared the answers for the below questions before your interview. The questions are generic and will make very good impression on interviewer if you answer them in organised and structured manner. The depicted IGP interview questions are for CCNA and CCNP engineers.
1. Difference between RIPv1 and RIPv2?
2. How many number of routes carried by RIP packet?
3. Is OSPF link state or distance vector or path vector protocol?
4. What is the difference between OSPF and IS-IS and which one is preferred?
5. Can we use BGP instead of any IGP?
6. How many network types available in OSPF?
7. Different type of Link State Advertisements aka LSA?
8. LSA 3 and LSA 4 are generated by which router?
9. When to use Stub and Not So Stubby Area?
10. How to get the external routes without making area Not So Stubby?
11. What is the different type of route summarization available in OSPF?
12. What is the requirement of doing summarization?
13. A major network is advertised as summary in one area and few of the routes from that network is configured in another area. What will happen in that case?
14. If any of the OSPF area is not stabilized, does it impact another area?
15. What is the use of forwarding address in LSA 5 and LSA 7?
16. External routes are available in OSPF database but not installing in routing table?
17. If loopback is not configured, what will be the router-id selected by OSPF process?
18. Can we run multiple OSPF process in single router and what is the advantage of using it?
19. What are timers of OSPF?
20. Multicast address of used by OSPF.
21. OSPF works on which layer?
22. What is backbone area in OSPF?
23. Can we use OSPF without backbone area?
24. Is it required that OSPF router-id must reachable in IGP cloud?
25. After configuring new router-id, automatically it will be used or do we need to use some type of command to get it operational.
26. Why the secondary ip address of interface is not advertising in IGP cloud?
27. OSPF neighbourship is not coming up. Please tell the various steps to troubleshoot it.
28. One side MTU is 1500 and another side MTU is 1600. Does it affect neighbourship?
29. Provide process of DR and BDR election.
30. If DR is down and no BDR is configured what will happen?
31. What is the difference between a neighbor and adjacent neighbor?
32. My OSPF neighbourship is showing 2-way, what does it mean?
33. Define different type of OSPF neighbor states?
34. OSPF external routes are not redistributing?
35. What is Layer 3 routing loop?
Tuesday, March 23, 2010
IGP Interview Questions For CCNA and CCNP Engineers
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10 comments:
excellent little test, I even had to look a couple up.
my god man, if i walked into an interview and your english was as terrible as it is in the above post, i would not even bother taking the test. i realize that you may be a briliant engineer, but communications skills are essential as well.
I really respect your words and trying to improve it. But really thanks for your comments.
Thanks for the post, eventhough I have been working in networking for few years(consisting of ospf platform), dont come across some of the questions you have posted here. But from interviewer point of view, he would like to test once knowledge in depth and this will help people like me to be prepared.
thanks
my name is Sudheera. I pumped a girl named Mina. She is layer 1 GBIC girl and i am network architect for good service provider. I make it happen.
i m nilesh.currently i m working in cmc.please provide basic ccnp question and answer.my id...nilesh.cisco@hotmail.com
i m nilesh.currently i m working in cmc.please provide basic ccnp question and answer.my id...nilesh.cisco@hotmail.com
The anonymous who posted about comm skills, you remind me of my workplace dude, there are always people like you who tend to feel good by discouraging others. Let me tell you its NOT going to help! Change of attitude is the right advise for you.
I thank the author for putting in a lot of efforts to come up with these series of questions!
hello there,
I have been myself a blog reader, but i don't write one. Found this website through the link provided in a blog on forwarding address, and this blog is good.
But, see i know every answer to all the questions here in IGP, but I've got no experience, therefore still involuntarily leisured.
Though, good stuff.
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