200-301 Question #732: Real Exam Question with Answer & Explanation

Question

Which NTP command configures the local device as an NTP reference clock source?

Options

• Antp peer
• Bntp broadcast
• Cntp master
• Dntp server

Explanation

The ntp master command configures a device to function as an authoritative NTP server, providing time even without an external time source.

Common mistakes.

• A. The ntp peer command configures the device to synchronize with a specified NTP peer, where both devices can synchronize to each other.
• B. The ntp broadcast command configures the device to send or receive NTP time updates using broadcast messages, not to be an authoritative reference clock itself.
• D. The ntp server command configures the device to synchronize its clock with a specified upstream NTP server, not to act as an authoritative master reference clock when unsynchronized.

Concept tested. Configuring NTP master clock

Reference. https://www.cisco.com/c/en/us/td/docs/ios/12_2/ip/configuration/guide/fipr_c/1cfntp.html#wp1000965

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