What is the well-known port address number used by DNS to serve requests?

Sep 30, 2020 Last Updated: Jun 7, 2023 No Comments
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IT Questions Bank › Category: CCNA CyberOps › What is the well-known port address number used by DNS to serve requests?

What is the well-known port address number used by DNS to serve requests?

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  • 53
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Explanation: Port numbers are used in TCP and UDP communications to differentiate between the various services running on a device. The well-known port number used by DNS is port 53.

Exam with this question: Modules 3 - 4: Operating System Overview Group Exam
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