What is dhcp scope?
What is the disadvantage of a star topology?
Explain the importance of authentication.
What are TCS and OLC in H323?
What are the layers in osi reference models? Describe each layer briefly.
What is pop3?
What is wan?
Why do we not use inductance in lag network? Explain in detail.
What are proxy servers?
What is early media? Explain the call flow.
What is codec and DSP?
What is RTP in case of VoIP? Which layer of OSI model does it work on?
What is tracert?
How can you identify the ip class of a given ip address?
Define pipelining?