What is the purpose of dns?
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How do I check if a port is open telnet?
Explain how can we detect that the other end of a tcp connection has crashed? Can we use "keepalives" for this?
Does netstat show hackers?
How do I check if a port is open?
What is default gateway ip?
Can you explain what is subneting?
Can two ip addresses use same port?
Do switches use ip addresses?
what is the difference between server and database?
Explain how can we measure the performance of an ip link?
What is IPv6 (Internet Protocol version 6)? What is multicasting? Explain the headers of packet format of IPv6 and IPv4?
Do you know what is network address translation?