Suggested Answer: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
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
Note: A trusted NTP server may or may not require a secret key so it is not a “must” in this question.
I think answer is more Enable NTP Authentication + Specify the Ip address of the NTP server
A and C in this case. The key of the question is in "trusted". You need to configure authentication as in here https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4000/8-2glx/configuration/guide/ntp.html#wp1019984
The article you referenced is 13 years old and doesn't seem to apply anymore. A and C are correct, but I believe you ALSO need to specify the "Trusted-Key". Is that the same as the "Private key"? If so, then D is also correct. Here's a more up to date configuration link that shows the commands:
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/software/release/12-2_55_se/configuration/guide/scg_2960/swadmin.html#47087
It's not covered in the Official Certification Guide Vol. 2, but it is arguably in scope. CCNA only states you need to "Configure and verify NTP operating in a client and server mode" as exam topic 4.2.
It is covered in some courses. It's probably useful to know.
Config NTP server IP & config time zone is must. But answer b is verify time zone but not config....... NTP authentication is not a must...... who can provide accurate explanation ?
Time zone should be set before setting NTP server as the clock source. Time Zone is used to identified the offset of summer time that's used in specific areas.
The question required to configure client mode, i think NTP server "private key" should not be valid. It should be "public key"
Reference - https://www.cisco.com/en/US/products/hw/switches/ps679/products_configuration_guide_chapter09186a008007d785.html#14543
Why wouldn't I enable NTP authentication before setting the NTP server private key
upvoted 2 times
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