Which two tasks must be performed to configure NTP to a trusted server in client mode on a single network device? (Choose two.) 

Answer options:

A. Enable NTP authentication.
B. Verify the time zone.
C. Specify the IP address of the NTP server.
D. Set the NTP server private key.
E. Disable NTP broadcasts.

AC

To configure authentication, perform this task in privileged mode: Step 1: Configure an authentication key pair for NTP and specify whether the key will be trusted or untrusted. Step 2: Set the IP address of the NTP server and the public key. Step 3: Enable NTP client mode. Step 4: Enable NTP authentication. Step 5: Verify the NTP configuration. Reference: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4000/8-2glx/configuration/guide/ntp.html