Which of the following is the BEST way to minimize the downtime?

The DNS administrator needs to change the IP address of the primary Webserver. Any downtime would have a major impact. Which of the following is the BEST way to minimize the downtime?

The DNS administrator needs to change the IP address of the primary Webserver. Any downtime would have a major impact. Which of the following is the BEST way to minimize the downtime?

A.
Update /etc/resolv.conf on the Webserver.

B.
Change the Webserver TTL (Time-To-Live) record to 5 minutes.

C.
Change the Webserver PTR record to the new hostname.

D.
Notify the domain registrar of the change in advance.



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mr_tienvu

mr_tienvu

Correct answer is B