Quick Answer
The answer is `ntpdate pool.ntp.org`. This command performs an immediate NTP sync by querying the specified NTP server and instantly adjusting the system clock, bypassing the gradual slewing or scheduled updates handled by the `ntpd` daemon. On the CompTIA Linux+ XK0-005 exam, this question tests your understanding of the distinction between one‑time synchronization tools and continuous time services; a common trap is confusing `ntpdate` with `chronyd` or `ntpd`, which manage ongoing adjustments rather than forcing an instant update. Remember that `ntpdate` is a direct, fire‑and‑forget command—ideal for scripts or manual fixes when you cannot wait for the next sync interval. For a quick memory tip: think of “date” in `ntpdate` as meaning “set the date right now,” contrasting with daemon commands that “date over time.”
This XK0-005 practice question tests your understanding of system management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An administrator needs to update the system time using an NTP server immediately without waiting for the next scheduled sync. Which command should be used?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Clue: "immediately / without restart"
Why it matters: Time or reboot constraint — the correct answer must take effect right away without requiring a reboot or reload.
timedatectl set-ntp true
Why wrong: Enables NTP but does not sync immediately.
systemctl start ntpd
Why wrong: Starts daemon, sync may be gradual.
ntpq -p
Why wrong: Queries NTP peers, does not sync.
ntpdate pool.ntp.org
Forces immediate time sync.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
ntpdate pool.ntp.org
The `ntpdate` command is used to immediately synchronize the system clock with an NTP server, bypassing the daemon-based scheduled sync. Option D runs `ntpdate pool.ntp.org`, which performs a one-time query and sets the time instantly, making it the correct choice for an immediate update.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
timedatectl set-ntp true
Why it's wrong here
Enables NTP but does not sync immediately.
systemctl start ntpd
Why it's wrong here
Starts daemon, sync may be gradual.
ntpq -p
Why it's wrong here
Queries NTP peers, does not sync.
ntpdate pool.ntp.org
Why this is correct
Forces immediate time sync.
Clue confirmation
The clue words "which command", "immediately / without restart" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates confuse enabling the NTP service (option A or B) with performing an immediate synchronization, not realizing that those commands only start or activate the daemon for gradual, ongoing adjustments rather than an instant update.
Detailed technical explanation
The `ntpdate` command (now deprecated in favor of `timedatectl` or `chronyd` with `-q`) uses the NTP protocol (RFC 5905) to send a single query to the specified server and adjusts the clock immediately, often with a step if the offset is large. In modern systems, `chronyd` or `systemd-timesyncd` are preferred for continuous sync, but `ntpdate` remains useful for one-off corrections in scripts or when the daemon is not running.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the XK0-005 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
System Management — study guide chapter
Learn the concepts, then practise the questions
System Management practice questions
Targeted practice on this topic area only
All XK0-005 questions
510 questions across all exam domains
CompTIA Linux+ XK0-005 study guide
Full concept coverage aligned to exam objectives
XK0-005 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise XK0-005 questions linked to Security.
Practise XK0-005 questions linked to Troubleshooting.
Practise XK0-005 questions linked to Scripting, Containers and Automation.
Practise XK0-005 questions linked to System Management.
Practise XK0-005 questions linked to XK0-005 fundamentals.
Practise XK0-005 questions linked to XK0-005 scenario.
Practise XK0-005 questions linked to XK0-005 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
System Management — This question tests System Management — Read the scenario before looking for a memorised answer..
The correct answer is: ntpdate pool.ntp.org — The `ntpdate` command is used to immediately synchronize the system clock with an NTP server, bypassing the daemon-based scheduled sync. Option D runs `ntpdate pool.ntp.org`, which performs a one-time query and sets the time instantly, making it the correct choice for an immediate update.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "which command", "immediately / without restart". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 11, 2026
This XK0-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-005 exam.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.