AZ-802 · Networking · Networking | Implement on-premises and hybrid name resolution · Networking | Manage IP addressing in on-premises and hybrid scenarios

Practice question 483 of 506 · medium

After a DHCP DNS-option change, domain-member servers can resolve internet names but fail domain-controller discovery. Their configured DNS servers are now public resolvers. Which correction addresses the cause?

Choose the single best answer.

A.Enable DNSSEC on a public zone and assume it publishes private AD service records
B.Extend DHCP lease duration and assume it changes the DNS servers already offered by the configured option
C.Create DHCP reservations for the members but keep the public-only DNS option
D.Restore domain DNS servers on the members and let those servers forward external queries as appropriate

Show the answer and explanation

✓ Correct answer

Restore domain DNS servers on the members and let those servers forward external queries as appropriate

Restore DNS servers that can resolve the AD zone and SRV locator records; domain DNS can forward external queries. Lease duration and reservations do not fix public-only DNS selection, and DNSSEC signing of a public zone does not publish private AD records.

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