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FC0-U71 Practice Question: Which THREE of the following are characteristics…
Which THREE of the following are characteristics of object-oriented programming (OOP)? (Select THREE).
⚠ Common exam trap
CompTIA often tests the distinction between OOP principles (encapsulation, inheritance, polymorphism) and procedural or structured programming concepts (top-down design, sequential execution), so candidates mistakenly select familiar-sounding terms like 'top-down design' without recognizing they belong to a different paradigm.
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
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Polymorphism
Polymorphism is a core OOP concept that allows objects of different classes to be treated as objects of a common superclass, with method calls resolved at runtime based on the actual object type. This enables one interface to be used for a general class of actions, with specific behavior determined by the specific object instance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Polymorphism
Why this is correct
Polymorphism allows objects to be treated as instances of their parent class.
- ✓
Encapsulation
Why this is correct
Encapsulation bundles data and methods within objects.
- ✓
Inheritance
Why this is correct
Inheritance allows classes to derive from other classes.
- ✗
Top-down design
Why it's wrong here
Top-down design is a structured programming approach, not an OOP characteristic.
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Sequential execution
Why it's wrong here
Sequential execution is not exclusive to OOP; it applies to most programs.
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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.