The zone file ____ entry specifies how often slave name servers check the serial number to see whether the zone file has changed.
A) time-to-live (TTL)
B) refresh rate
C) expiration entry
D) negative TTL

Question

Quizplus · Accepted Answer

The refresh rate in a DNS zone file entry specifies how often slave name servers should check the serial number to see if the zone file has changed, ensuring they have the most current data.

The Zone File ____ Entry Specifies How Often Slave Name