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What is port 110 used for?
What is a dns name?
What is an ip block list?
Can isp block ports?
Does router have ip address?
Explain 3 way handshake and how it works?
Explain about tcp&ip and osi model.
Does netstat show hackers?
What is the difference between unidirectional and bidirectional?
What is the port number of telnet and dns?
In which layer SMTP is used?
What does multiple access mean?
What is ipv6?
Explain how names are translated (resolved) into ip address?
Why shared memory is faster than message queue?