A client packet is received by a server. The packet has a destination port number of 143. What service is the client requesting?

Last Updated: May 3, 2026
IT Exam Items Repository › Category: CCNA 1 v7 › A client packet is received by a server. The packet has a destination port number of 143. What service is the client requesting?

A client packet is received by a server. The packet has a destination port number of 143. What service is the client requesting?

  • IMAP
  • FTP
  • SSH
  • Telnet

Explanation: Destination port 143 is the well-known port for IMAP (Internet Message Access Protocol), which enables clients to access and maintain email stored on a mail server.

Related exam: CCNA 1 v7 Course Final Exam Answers
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