Your company has two servers that run Windows Server 2008 R2 named Server2 and
Server3. Both servers have the DNS Server server role installed. Server3 is configured to
forward all DNS requests to Server2. You update a DNS record on Server2. You need to
ensure that Server3 is able to immediately resolve the updated DNS record. What should
you do?
A.
Run the ipconfig /flushdns command on Server3.
B.
Decrease the Time-to-Live (TTL) on the Start of Authority (SOA) record of
na.contoso.com to 15 minutes.
C.
Run the dnscmd . /clearcache command on Server3.
D.
Increase the Retry Interval value on the Start of Authority (SOA) record of
na.contoso.com to 15 minutes.