UDP port 68 is used by which protocol's client service?

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Study for the CCST Cybersecurity Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

UDP port 68 is used by which protocol's client service?

Explanation:
UDP port 68 is used by the DHCP client service. In a DHCP exchange, the client listens on port 68 to receive responses from the server, while the server listens on port 67 to receive requests. That specific port pairing is what ties port 68 to the DHCP client. Other options use different ports: TFTP uses UDP 69, SNMP uses UDP 161/162, and IMAP uses TCP 143/993, not UDP 68.

UDP port 68 is used by the DHCP client service. In a DHCP exchange, the client listens on port 68 to receive responses from the server, while the server listens on port 67 to receive requests. That specific port pairing is what ties port 68 to the DHCP client. Other options use different ports: TFTP uses UDP 69, SNMP uses UDP 161/162, and IMAP uses TCP 143/993, not UDP 68.

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