Cisco Software Engineer interview questions

1st Round: Explain PIM-SM operation? What are the IPC used on your platform? 2nd Round: Explain interesting bug which you fixed? What is OSPF virtual link and why it is needed? What are advantage of using loopback interface in OSPF? How message queque is better than PIPE? Can't PIPEs can be used as message queues? What is the best IPC? 3rd Round: Write a linked list program to insert elements in sorting order? What improvements you can add to the above program? What are the things you missed out in the above program? Manager Round: How you wish to see yourself after 3 years? What is your expectations about work environment? HR Round: Do you have any offer in hand? What is your salary expectations? When you can join Cisco?

Networking concepts