350-401 · Question #1111
Refer to the exhibit. What is the result of the NTP configuration?
The correct answer is D. The router will be used as an NTP authoritative server, even if it is not synchronized with an. The NTP configuration includes the ntp master command, which configures the router to act as an authoritative NTP server regardless of external synchronization.
Question
Refer to the exhibit. What is the result of the NTP configuration?
Options
- AThe router will use the address of loppback 0 to communicate with the NTP server.
- BThe router will advertise but not listen to NTP broadcast packets.
- CThe router will be used as an NTP authoritative server only if it synchronized with an outside
- DThe router will be used as an NTP authoritative server, even if it is not synchronized with an
How the community answered
(34 responses)- A6% (2)
- C3% (1)
- D91% (31)
Why each option
The NTP configuration includes the `ntp master` command, which configures the router to act as an authoritative NTP server regardless of external synchronization.
The `ntp master` command does not specify the source interface for NTP communication; that would typically be configured with `ntp source interface-type interface-number`.
The `ntp master` command relates to acting as a server, not specifically to broadcasting or listening to broadcast packets, which is controlled by `ntp broadcast` or `ntp broadcast client`.
The `ntp master` command specifically allows the router to be an authoritative server *without* requiring external synchronization, which contradicts this statement.
The `ntp master` command configures a router to act as an authoritative NTP server, assigning itself a stratum level (defaulting to 8) and providing time to other devices, even if it is not synchronized to an external clock source. This functionality is essential for providing a local time source in isolated networks or when external synchronization is unavailable.
Concept tested: NTP master authoritative server
Source: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_ntp/configuration/15-mt/iap-ntp-15-mt-book/iap-cfg-ntp.html#GUID-E1DF77BA-9104-4B2D-B3F0-D049751EC45C
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