To securely use dynamic DNS updates, the use of TSIG is recommended.
Which TWO statements about TSIG are true?
A . TSIG is used for zone data encryption
B . TSIG is a signal to start a zone update
C . TSIG is used in zone files
D . TSIG is used only in server configuration
E . Servers using TSIG must be in sync (time zone!)
Answer: DE