Application Layer

What does a User Agent (UA) do?

• Sends and receives messages

• Stores images

• Creates websites

• Plays music

What does MIME stand for?

• Mail Information Management Extension

• Multipurpose Internet Mail Extensions

• Mail Internet Message Exchange

• Multiple Internet Mail Encoding

What protocol is used for sending emails?

• HTTP

• SMTP

• FTP

• POP3

What does POP3 stand for?

• Post Office Program, version 3

• Postal Online Protocol, version 3

• Post Office Protocol, version 3

• Postal Office Protocol, version 3

What is a Fully Qualified Domain Name (FQDN)?

• A temporary domain name

• A local domain name

• A complete domain name

• A short domain name

What is the role of a DNS resolver?

• Stores files

• Maps names to addresses

• Creates websites

• Sends emails

What is a root server?

• A server that covers the whole domain name space

• A server for local networks

• A server for sending emails

• A server for storing files

What does IMAP4 allow users to do?

• Organize mail on the server

• Delete emails permanently

• Only download emails

• Send emails only

_____ agent is used to fetch data from the mail server

• MTA

• MAA

• MAT

• UA

POP 3 & IMAP4 are not part of MAA agent.

• True

• False