Question: A . The OS DNS - client invoked by a network application contacts the authoritative DNS server if the answer is not locally cached. B

A. The OS DNS-client invoked by a network application contacts the authoritative DNS server if the answer is not locally cached.
B. Local DNS servers are not part of the official DNS Server hierarchy.
C. Local DNS servers provide a recursive name resolution service to their clients.
D. Authoritative DNS servers resolve only the requests that are sent from registered DNS servers.
E. Local DNS servers accept PQDNs submitted by a network application and resolve them using the official DNS Server hierarchy.
A. The OS DNS-client invoked by a network application contacts the

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