Which IOS command is used to define the authentication key for NTP?
A. Switch(config)#ntp authentication-key 1 md5 C1sc0
B. Switch(config)#ntp trusted-key 1
C. Switch(config)#ntp source 192.168.0.1
D. Switch(config)#ntp authenticate
Answer:A
Which IOS command is used to define the authentication key for NTP?
A. Switch(config)#ntp authentication-key 1 md5 C1sc0 B. Switch(config)#ntp trusted-key 1 C. Switch(config)#ntp source 192.168.0.1 D. Switch(config)#ntp authenticate