Internet Protocols interview questions

Explain the concept and capabilities of Unicast IP Addresses?

What is an application gateway?

What is Router? Explain components of Routers.

What is PPP protocol? Explain PPP packet format?

What is 'Gateway Of Last Resort'?

Overview of OSI layer?

What is IGMP protocols?

How long can I use Premium Free Domain Name?

What are switches? Explain the concepts of Layer-3 switches?

In neighbor discovery command, I am receiving only xmit, what does it mean?

What do you mean by maskable and Non Maskable Interrupts, give examples?

Does route reflector come in actual path during traffic forwarding?

I want to learn only a single mac from the port, what need to be configured?

Does MPLS support IPv6?

What is the difference between HTTP & HTTPS

A router is receiving same route from two different eBGP peers. The AS information contains in peer 1 is {65500, 65550, 65555} and in peer 2 is {65501, 65501}. But I want to make peer 1 preferred.

What LAN analyzer tools are you familiar with and describe how you use them to troubleshoot and on what media and network types.

What is the difference between P and PE router?

Different IPC mechenisms.

Two routers are having 4 equal cost links, how many ldp sessions will be established?

What is TTCN-3?

What is the difference between VPNv4 and IPv4 address family?

When does BGP use 0.0.0.0 router id?

What is path cost?

Default timers of LDP?

What is the difference between STP, MSTP, PVST and RSTP?

Is OSPF link state or distance vector or path vector protocol?

In eBGP I am establishing my neighbourship with loopback address but it?s not coming up. Please specify different reasons for not coming up.

What type of memory optimization changes could you dofor Exchange 2003?

I am having two routes for remote destination but only single route is installing in routing table, what?s the reason for this?