When a dynamic DNS record is created,what is the TTL value used for?
A) To determine how many hops away the updating client is
B) To specify the time before the next update
C) To specify how long the record should remain in the DNS database
D) To determine how long it takes for a ping to reach the client and come back

Question

​When a dynamic DNS record is created,what is the TTL value used for?
A) To determine how many hops away the updating client is
B) ​To specify the time before the next update
C) ​To specify how long the record should remain in the DNS database
D) ​To determine how long it takes for a ping to reach the client and come back

Quizplus · Accepted Answer

TTL (Time-to-Live) value is used to specify how long the record should remain in the DNS database. After the TTL expires, the record is removed from the DNS cache and needs to be refreshed.

​When a Dynamic DNS Record Is Created,what Is the TTL

When a Dynamic DNS Record Is Created,what Is the TTL