Selecting NTP transport and port | LPIC-1 102-500 Exam original practice question

109.1Standard

Identify the standard transport and port for Network Time Protocol synchronization.

Which pairing is appropriate?

Hint 1: Focus on the requirement

Identify what must change and what must remain unchanged. Then choose the command whose scope matches that requirement.

Hint 2: Check each command's role

Separate commands that display information, change state, remove data, or affect a child process.

Detailed explanation

IncorrectTCP 110

Incorrect. TCP 110 is POP3.

IncorrectUDP 161

Incorrect. UDP 161 is SNMP requests.

IncorrectTCP 123

Incorrect. NTP's standard transport is UDP rather than TCP.

CorrectUDP 123

Correct. NTP uses UDP 123.

An example you can run in a temporary verification environment.

python3 -c "import socket; print(socket.getservbyname('ntp','udp'))"

Foundation review

Check whether the command acts on the current shell, a new process, an existing process, or a file.

Use the supplied command and compare the output with the expected result.

Question IDKP-109-788

EnvironmentPython 3 socket service database

Last technical review2026-08-13