Q2
Which one of the following function checks for the existence of DNS records?
A.
checkdns()
B.
checkdnsr()
C.
checkdnsrr()
AnswerD.
checkdnsa()
Answer: Option C
Solution
Answer: Option C
Solution:
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.