SK0-004 · Question #175
Which of the following is the purpose of an NTP server?
The correct answer is B. For synchronizing clocks on network devices. NTP (Network Time Protocol) exists solely to synchronize clocks across network devices and hosts. The other options describe unrelated server roles.
Question
Which of the following is the purpose of an NTP server?
Options
- AFor hosting instant messaging applications
- BFor synchronizing clocks on network devices
- CFor file sharing and collaboration
- DFor hosting newsgroups
How the community answered
(39 responses)- A5% (2)
- B90% (35)
- C3% (1)
- D3% (1)
Why each option
NTP (Network Time Protocol) exists solely to synchronize clocks across network devices and hosts. The other options describe unrelated server roles.
Instant messaging applications are served by protocols such as XMPP or IRC, not NTP.
NTP operates on UDP port 123 and is designed specifically to synchronize system clocks across networked devices to a common time source. Accurate timekeeping is critical for logging, authentication (e.g., Kerberos tickets), and certificate validation. NTP servers form a hierarchy of strata, with stratum 0 being atomic/GPS reference clocks.
File sharing and collaboration are handled by protocols such as SMB, NFS, or SharePoint, not NTP.
Newsgroups are hosted by NNTP (Network News Transfer Protocol) servers, which are entirely separate from NTP.
Concept tested: NTP server function and UDP port 123
Source: https://learn.microsoft.com/en-us/windows-server/networking/windows-time-service/how-the-windows-time-service-works
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