What s the default stratum clock on a Cisco router, when you see the key word "master" configured on the NTP line?

A.
1

B.
2

C.
4

D.
6

E.
8

Explanation:
ntp master
To configure the switch as a Network Time Protocol (NTP) master clock to which peers synchronize themselves when an external NTP source is not available, use the ntp master global configuration command. To disable the master clock function, use the no form of this command.

ntp master [stratum]
no ntp master [stratum]

Syntax Description

Default
By default, the master clock function is disabled. When enabled, the default stratum is 8.