Blue Interview Questions

Questions Asked to me

Switching Questions?

  • Can you tell me the difference between VTP server mode and transparent mode.

  • Different types of STP modes and ports?

  • MST

  • I have a cisco switch 2960 catalyst , what changes should i make in-order to make that switch as a root bridge?

  • How will u change the root bridge id and what is the exact command for it.

  • Where will u change the priority ? in interface/ vlan in the device?

  • What is HSRP ?

  • What is stacking?

  • Commands for performing stacking?

  • Prerequisites for the stacking?

  • What are things to keep in mind while performing stacking?

  • How do you configure the acls in a switch?

  • Commands for the configuration?

  • What is NAT

  • What are the types of NAT?

  • What is a PAT?

  • (wipro interview) hsrp,vrrp,vss,proxy and reverse proxy, model number of sdwan vedges,why sdwan is secure, tunnels,snmp,how to do monitoring in cisco switches(config part), f5 loadbalancing, pool status, stp ,rpvst, modes, vtp,etherchannel/port channel,pagp and lacp, vpc,loadbalancing failover, STP Portfast.

Routing Questions

  • Asked me in which routing protocol i was comfortable with, i replied EIGRP?

  • What is the metric of EIGRP?

  • What is the AD of EIGRP?

  • What is Feasible Distance, Advertised Distance?

  • What is successor and feasible successor?

  • What is route summarization?

  • What is null interface?

  • In ospf, what is stubby area and not so stubby area?

  • Why do we use designated router?

  • Stages in ospf?

  • Lets assume two routers are trying to make a neighbor relationship, but the neighbor relationship is not forming. What might be the cause for it?

  • What is BGP ?

  • What are the BGP attributes?

  • Metric of BGP?

  • What is MPLS?

Some Random questions?

  • Any idea on nexus ?

  • What is VPC, VDC?

  • Difference between normal cisco devices and nexus devices

  • What is a firewall?

  • any technologies like AWS , Azure, F5, NSX ,

  • after logging into f5 u'll c green, red and blue, what is blue?

  • What is QOS?

  • What is SolarWinds?

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