Customer A wants to synchronize the time on all its routers using NTP customera knows the NTP master is at address 1.1.1.1 and is using MD5 authentication with a password of "cisco123" assuming timezone settings are already configured, which four of these commands does the customer need to configure on each router to correctly synchronize the device with the NTP master?(choose four)
A.
ntp encryption md5
B.
ntp server 1.1.1.1 key 1
C.
ntp authenticate
D.
ntp trusted-key 1
E.
ntp enable
F.
ntp authentication-key 1 md5 cisco123