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Refer to Exhibit. A network engineer receives a command output from a customer that indicates an issue with NTP. What are two reasons for the output? (Choose two)
A. NTP traffic is blocked.
B. NTP is not configured.
C. The router is the NTP master.
D. ntp update-calendar is missing.
E. There is an NTP authentication failure.
Correct Answer: AE
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 0-5, 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 1-5.
