What is a DNS iterative query used for?

Posted by: Pdfprep Category: 210-250 Tags: , ,

What is a DNS iterative query used for?
A . It is sent from a DNS server to other servers to resolve a domain.
B . It is sent from a DNS resolver to the backup DNS server.
C . It is sent from a DNS server to the DNS client.
D . It is sent from a client machine to a DNS resolver.

Answer: A

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