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Discussion :: Computer Networking

  1. Which of the following protocols uses both TCP and UDP?

    2. A.

     FTP
    B.

     SMTP
    C.

     Telnet
    D.

     DNS

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    Workspace

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    Answer : Option D

    Explanation :

    DNS uses TCP for zone exchanges between servers and UDP when a client is trying to resolve a hostname to an IP address.

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