FC0-U71 Data and Database Fundamentals Practice Question
A database designer wants to ensure that every value in a column called 'Status' is either 'Active', 'Inactive', or 'Pending'. Which type of constraint should be applied?
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
✓
Domain integrity
Domain integrity is enforced by data type and check constraints. A CHECK constraint on the Status column can restrict values to the allowed list.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Entity integrity
Why it's wrong here
Entity integrity relates to primary keys, not value restrictions.
- ✓
Domain integrity
Why this is correct
Correct; domain integrity limits the allowable values for a column.
- ✗
User-defined integrity
Why it's wrong here
User-defined integrity is a broader term, but domain integrity is the specific type for column value constraints.
- ✗
Referential integrity
Why it's wrong here
Referential integrity is enforced by foreign keys.
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Same concept, more angles
1 more way this is tested on FC0-U71
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A developer modifies a database and wants to ensure that every value in a column meets a specific condition, such as age must be between 0 and 120. Which type of integrity constraint should be used?
hard- A.Referential integrity
- ✓ B.Domain integrity
- C.User-defined integrity
- D.Entity integrity
Why B: Domain integrity ensures that data falls within a valid range or set of values, often enforced with CHECK constraints.
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.