Multiple choice

Which of the following is not an example of a push service?

  1. Synchronous conferencing

  2. Instant messaging

  3. Email transfer using SMTP

  4. Online auction

  5. Transferring emails from mail server to desktop computer using POP3
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

When pulling POP3 email messages from a server, a client can make regular pull requests every few minutes. Hence, it uses the pull technology.

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