There was a online test followed by a programming evaluation and then finally technical interviews.People were shortlisted after every round.Around 10 were qualified for interview out of 50.Online test was MCQ's and 2 programming questions.In the second round (programming evaluation) we were given 2 coding questions one based on tree and the other was on converting decimal to roman number.

Internal recruiter will provide a phone screen, ask basic networking questions and then will setup a technical phone screen with an engineer. Be prepared to answer detailed questions on networking especially how TCP and IP work at the packet level. If you pass the phone screen, you will be brought in and interviewed by two managers and three engineers. The engineers will expect you to understand networking and troubleshooting. You are not expected to know Riverbed products, they will train you on that, provided you understand how networks and protocols work.