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Protocols

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What is the purpose of protocols?
To provide a standard set of rules for communication between computers
Which protocol is used to send e-mails from a computer to a mail server?
SMTP
Which protocol is an old protocol used to receive e-mail from a mail server?
POP
Which protocol is used to receive e-mails from a mail server, syncing numerous devices
IMAP
Which protocol is used to transfer files between computers and servers
FTP
Which protocol is used to request and receive web pages?
HTTP
When sending encrypted data in a web browser, which protocol would you use?
HTTPS
What is the FTP protocol used for?
Transfer files between client and server
What is an advantage of protocols being organised into layers?
Protocols in layers above and below are unaffected by changes
How many layers are there in the TCP/IP model?
4
What is true about protocols grouped in the same layer?
They serve similar purposes