Answer :
Final answer:
The Domain Name Service (DNS) uses port 53 by default for its operations.
Explanation:
The Domain Name Service (DNS) is an integral part of the TCP/IP protocol suite used for data exchange on the Internet and private networks. Its primary function is to translate user-friendly domain names into Internet Protocol (IP) addresses, facilitating network communication. DNS operates on port 53 by default, enabling the resolution of domain names to their corresponding IP addresses. This vital protocol ensures seamless navigation and connectivity across the internet, making option C, port 53, the correct choice among the provided options.
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