FC0-U71 Software Development Concepts Practice Question
A developer is debugging a program that crashes with an error. Which THREE of the following are common debugging techniques?
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
✓
Stepping through code line by line
Setting breakpoints, stepping through code, and inspecting variable values are standard debugging techniques. Rewriting the entire program is inefficient, and ignoring errors does not help.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Stepping through code line by line
Why this is correct
Step-through execution helps trace the program flow.
- ✗
Ignoring the error and continuing
Why it's wrong here
Ignoring errors prevents resolution.
- ✗
Recompiling the entire program without changes
Why it's wrong here
Recompiling alone doesn't help find bugs.
- ✓
Setting breakpoints to pause execution
Why this is correct
Breakpoints allow examination of program state at specific lines.
- ✓
Inspecting variable values during execution
Why this is correct
Checking variable values helps identify incorrect data.
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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 is debugging a program that produces incorrect output. The developer sets a breakpoint on a specific line of code and runs the program in a debugger. When execution stops at the breakpoint, the developer examines the values of variables at that point. What debugging technique is being used?
hard- ✓ A.Step-through execution
- B.Logging
- C.Unit testing
- D.Code review
Why A: Using breakpoints and inspecting variables is a common debugging technique to identify issues.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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