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Questions and Answers
Which protocol does Alice's UA use to send her email message to her mail server?
Which protocol does Alice's UA use to send her email message to her mail server?
- HTTP
- UDP
- TCP
- SMTP (correct)
What does Bob's mail server do after receiving the email message from Alice's mail server?
What does Bob's mail server do after receiving the email message from Alice's mail server?
- Sends a confirmation message to Alice's UA
- Places the message in Bob's mailbox (correct)
- Deletes the message
- Sends the message back to Alice's mail server
What does Alice's UA use to compose the email message?
What does Alice's UA use to compose the email message?
- SMTP
- UDP
- TCP
- User Agent (correct)
What does the SMTP client do after Alice's message is placed in the message queue?
What does the SMTP client do after Alice's message is placed in the message queue?
Which protocol does the client side of SMTP at the mail server use to open a TCP connection with Bob's mail server?
Which protocol does the client side of SMTP at the mail server use to open a TCP connection with Bob's mail server?
Which protocol is used for retrieving email messages from a server?
Which protocol is used for retrieving email messages from a server?
Which application layer protocol is used by web-based email services like Gmail and Hotmail?
Which application layer protocol is used by web-based email services like Gmail and Hotmail?
What is the purpose of DNS name resolution?
What is the purpose of DNS name resolution?
What type of query places the burden of name resolution on the contacted name server?
What type of query places the burden of name resolution on the contacted name server?
What is the role of the root DNS server in the DNS name resolution process?
What is the role of the root DNS server in the DNS name resolution process?
What are the two mail access protocols mentioned in the text?
What are the two mail access protocols mentioned in the text?
What is the purpose of SMTP?
What is the purpose of SMTP?
What does the IMAP protocol provide?
What does the IMAP protocol provide?
Which application layer protocol is used by web-based email services?
Which application layer protocol is used by web-based email services?
What is the difference between iterated query and recursive query in DNS name resolution?
What is the difference between iterated query and recursive query in DNS name resolution?
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