Two rounds telephonic and a manager round all technical. After the manager round another round with the client sitting in US, mostly technical. depending upon the previous experience the difficulty level of the questions, should posses good knowledge of implementation, BGP MPLS and vpn implementation and troubleshooting, best connectivity and optimization knowledge.

Entire process took for three weeks Nice Team, regular follow up makes me very easy to submit the documents which they require from my side , HR people are really veryful for providing me exact Info