What protocol used on Linux serves to synchronize the time has stopped working?

Log monitoring tools performing behavioral analysis have alerted several suspicious login son a Linux server occuring during non-business hours. After further examination of all login activities, it is notices that

none of the logins have occurred during typical work hours. A Linux administrator who is investigating this

problem realized the system time on the Linux server is wrong by more than twelve hours.

What protocol used on Linux serves to synchronize the time has stopped working?
A . NTP
B . TimeKeeper
C . OSPF
D . PPP

View Answer

Answer: A