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  1. Which one of the following function checks for the existence of DNS records?

    2. A.

     checkdns()
    B.

     checkdnsr()
    C.

     checkdnsrr()
    D.

     checkdnsa()

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    Workspace

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    Answer : Option C

    Explanation :

    DNS records are checked based on the supplied host value and optional DNS resource record type, returning TRUE if any records are located and FALSE otherwise.

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