Which IOS command is used to define the authentication key for NTP?

Posted by: Pdfprep Category: 210-260 Tags: , ,

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

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