How long to cache information for a record before expiring and discarding it.

This question requires that you evaluate the underlined text to determine if it is correct.
The “NTP” value in a resource record indicates a length of time that other DNS servers use to determine how long to cache information for a record before expiring and discarding it.
Select the correct answer if the underlined text does not make the statement correct. Select “No change is needed” if the underlined text makes the statement correct.
A. TTL
B. GPS
C. SOA RR
D. No change is needed