Computer Networks Lecture 6: Electronic Mail and DNS

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which component of electronic mail is responsible for composing, editing, and reading mail messages?

  • Domain Name System (DNS)
  • Mail server
  • User agent (correct)
  • SMTP

What is the main responsibility of Simple Mail Transfer Protocol (SMTP) in electronic mail?

  • Composing, editing, and reading mail messages
  • Managing the message queue of outgoing mail messages
  • Storing all messages of the user
  • Reliably transferring email messages between mail servers (correct)

Where does SMTP protocol work to send email messages?

  • Within the domain name system (DNS)
  • Between mail servers (correct)
  • On the user agent
  • In the message queue of outgoing mail messages

Which protocol uses TCP to reliably transfer email messages on port 25?

<p>Simple Mail Transfer Protocol (SMTP) (C)</p> Signup and view all the answers

What is the primary function of mail servers in electronic mail?

<p>Storing all messages of the user (D)</p> Signup and view all the answers

What is the correct sequence of steps for sending an email from Alice to Bob?

<p>1, 2, 3, 4, 5, 6 (A)</p> Signup and view all the answers

In the context of SMTP messages, what does the status code '250' represent?

<p>Message accepted for delivery (B)</p> Signup and view all the answers

Which protocol is primarily used for retrieving emails from the mail server?

<p>Internet Mail Access Protocol (IMAP) (D)</p> Signup and view all the answers

What distinguishes Post Office Protocol (POP) from Internet Mail Access Protocol (IMAP)?

<p>IMAP allows the organization of messages in folders; POP does not. (B)</p> Signup and view all the answers

What is the main difference between SMTP and HTTP?

<p>SMTP does not support session management or cookies; HTTP supports session management and cookies to maintain state. (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

Use Quizgecko on...
Browser
Browser