Sunday, March 28, 2010

Switching Interview Questions For CCNA and CCNP Engineers


After IGP, BGP and MPLS interview question, Now I am adding switching basic questions. Please read the below questions:-

1. Difference between hub, bridge and switch?
2. What is mac address and why it is required?
3. In layer 2 domain do we need ip address for communication?
4. What is arp and why it is required?
5. What is Spanning Tree Protocol aka STP?
6. What is the difference between STP, MSTP, PVST and RSTP?
7. Can we use the two same paths for same vlan?
8. What is the difference between broadcast and collision domain?
9. Define type of lan traffic.
10. What is destination address of broadcast frame?
11. Can we connect a switch to switch with straight cable?
12. Define functions of switch.
13. What is arp timeout?
14. What is aging process?
15. What is BPDU?
16. What is path cost?
17. Define selection criteria of STP root bridge.
18. How to non bridge decide which port will elect as root port?
19. If a nonroot bridge has two redundant ports with the same root path cost, how does the bridge choose which port will be the root port?
20. Port states of spanning tree protocol.
21. If the users face delay during initial login, what you will suggest to implement?
22. Why spanning tree BPDU filter is used?
23. Can I use BPDU filter on trunk ports?
24. What is port security?
25. I want to learn only a single mac from the port, what need to be configured?
26. Can we use spanning port-fast on trunk ports?
27. If management ip address is changed, will user’s traffic will be dropped?
28. Difference between trunk and access port?
29. What is UDLD and why it is required?
30. What is interface vlan on switch?
31. How to perform inter vlan routing without layer 3 device?
32. How to stop superior bpdu participating in switching domain?
33. How Vlan In Local Switching Domain is selected?
34. How to provide redundancy to MPLSVPN customer?

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9 comments:

Syed Muhammad Shahbaz said...

Applaudible effort mate. It helped me in knowing where I stand in all the topics. Thanks. Can you do it for ospf, rip, eigrp, ppp, frame relay, subnetting, vlsm, and other related topics as well. Moreover, do include questions for ccna/ccsp/ccie security track.

Thanks.

shivlu jain said...

thanks for your comments. Right now I am bury in my training, from next week onwards I will post the same.

Kalyana Prakash ravi said...

Nice site buddy...

We can refer www.depacket.com also for complete CCNA and CCNP concepts...
Really a very helpful site with lots of information with small quiz for important topics to kindle your mind...

A must see site before attending an iterview...
www.depacket.com

Karan said...

i need the answers for switching, bgp, qos, mpls all interview questions.... pls send to me asap as my interview is scheduled tommorrow

G 2 RULE said...

hi..can you please help me n few questions above..

1. Can we use the two same paths for same vlan?

2.If the users face delay during initial login, what you will suggest to implement?

3. If management ip address is changed, will user’s traffic will be dropped?

no effect right..?

Shivlu Jain said...

1. Can we use the two same paths for same vlan?
Are you talkng about bundling/LACP/PaGP?

2.If the users face delay during initial login, what you will suggest to implement?
Spanning tree port fast

3. If management ip address is changed, will user’s traffic will be dropped?
nope user has nothing to do with management ip

G 2 RULE said...
This comment has been removed by the author.
G 2 RULE said...

Thank You boss ..I have one more small doubt..

What is aging process ?

Very good blog..

George

Michael Hussey said...

Great information about CCNA..
I would like to share some useful links. You can get most useful CCNA Tutorials and CCNA Interview Questions and Answers here.