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FC0-U71 Practice Question: A database administrator needs to ensure that a…

A database administrator needs to ensure that a transaction either completes fully or not at all. Which property of database transactions is this?

⚠ Common exam trap

Watch out — candidates often confuse 'Atomicity' with 'Consistency' because both sound like 'completeness' or 'correctness,' but Atomicity strictly refers to the indivisible execution unit, not the validity of data.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Atomicity

Atomicity ensures that a transaction is treated as a single, indivisible unit of work: either all of its operations are committed successfully, or none are applied. This is the 'all-or-nothing' property described in the ACID model. If any part of the transaction fails, the database management system (DBMS) rolls back the entire transaction, leaving the database unchanged.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✓

    Atomicity

    Why this is correct

    Atomicity guarantees that a transaction is treated as a single unit, which either completes fully or not at all.

  • ✗

    Isolation

    Why it's wrong here

    Isolation ensures that concurrent transactions do not interfere with each other.

  • ✗

    Consistency

    Why it's wrong here

    Consistency ensures that a transaction leaves the database in a valid state.

  • ✗

    Durability

    Why it's wrong here

    Durability ensures that committed changes survive system failures.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

This FC0-U71 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 FC0-U71 exam.