Tell me about yourself What is TCP/IP 3-way handshake Packet flow from Host A- Switch A - Router A --- Router B - Switch B - Host B......In short Total IP flow What is the last incident you got which is critical and how you troubleshooted it Depending on the above question- command to check the state of BGP, if it is in Active state...what is the reason, what you see you give the command.....do u see any number in the output Attributes to manipulate inbound or outbound traffic Local preference default value BGP Port No. How we can manipulate inbound traffic... give example.....I had given example of AS-Path While upgrading the IOS of a router, what are the steps from start to end ( start means like raising a request and etc etc..) What is STP and how it works. There is an issue in trunk port....how to troubleshoot it There is an issue in physical link...how to troubleshoot it....what needs to be check physically Command to check BGP summary (states) in juniper, cisco n huawei What will happen if we don't add the add command while adding a vlan in trunk port. Add the add command .....is it necessary or is it there in Juniper n Huawei With WLC, which is best light weight or standalone.... question was somewhat closely related What is the difference between lightweight n standalone What is flexi... something is there in wireless