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What is the application layer?
What is the transport layer?
What is the data link layer?
What is the network layer?
What is TCP/IP?
What is in the TCP/IP stack?
How does email work?
What is POP and IMAP?
What is SMTP?
What is a protocol?
What is HTTP?
What is HTTPS?
What are audit trails?
Why does a company want
to back up data?88
