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    Question

    Which of the following operation is performed by Domain

    Name Server (DNS)?
    A Resolve a data link layer address to the corresponding network layer address. Correct Answer Incorrect Answer
    B Transferring of a data between a client and a server to send and receive requests and corresponding responses by the networking server. Correct Answer Incorrect Answer
    C Mapping a domain name to an IP Address Correct Answer Incorrect Answer
    D Connects changing IP address to a fixed media access (MAC) address Correct Answer Incorrect Answer

    Solution

    • Why Correct: DNS translates human-readable domain names (like openai.com) into IP addresses (like 104.18.xx.xx), allowing communication over the internet.
    • Why Others are Wrong:
      • Option 1: That’s ARP (Address Resolution Protocol).
      • Option 2: That describes HTTP.
      • Option 4: That’s DHCP (assigns IPs to MAC addresses).

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