Which one of the following function checks for the existence of...

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

A. checkdns()

B. checkdnsr()

C. checkdnsrr()

D. checkdnsa()

Answer: Option C

Solution (By Examveda Team)

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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