Refer to the exhibit. A network engineer receives a command output from a customer that indicates an issue with. What are two reasons for the output? (Choose two.)
正解:A,E
Explanation/Reference: Explanation: NTP uses a value, called a stratum value, to indicate the believability of a time source. Valid stratum values are in the range 0-15, with a value of 16 being used to indicate that a device does not have its time synchronized. However, Cisco IOS only permits you to set stratum values in the range 1-15.