200-301 · Question #741
Which NTP command configures the local devices as an NTP reference clock source?
The correct answer is C. NTP Master. This question asks for the NTP command that configures a local device as an authoritative time source.
Question
Which NTP command configures the local devices as an NTP reference clock source?
Options
- ANTP Peer
- BNTP Broadcast
- CNTP Master
- DNTP Server
How the community answered
(17 responses)- A6% (1)
- C94% (16)
Why each option
This question asks for the NTP command that configures a local device as an authoritative time source.
`NTP Peer` configures the device to synchronize its clock with another NTP server, not to be an authoritative source itself.
`NTP Broadcast` enables sending NTP packets on a network segment but does not designate the device as an authoritative reference clock.
The `ntp master` command configures the local device to operate as a stratum 1 NTP server, serving as an authoritative reference clock source for other devices, even if it is not externally synchronized.
`NTP Server` is used to specify a remote NTP server from which the local device will obtain time, not to make the local device a server.
Concept tested: NTP master clock configuration
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp/configuration/xe-16/iap-xe-16-book/iap-cfg-ntp.html#concept_z4n_14k_rdb
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