Three original learning questions with explanations. This is a short course check, not a certification mock exam or readiness prediction. Public answers support self-review; sign in to save a scored attempt.
Course questions with explanations
Review each question and reveal its explanation without an account. Sign in to save a scored attempt on these same questions. This short check does not predict exam readiness.
1. Which device matches the original condition?
- Neither device
- LAB-A only
- Both devices
Show answer and explanation for question 1
Correct answer: B. LAB-A only
9 < 10, but 10 < 10 is false.
2. Why return results from a function?
- To require admin access
- To separate calculation from display
- To remove all tests
Show answer and explanation for question 2
Correct answer: B. To separate calculation from display
Returned values can be tested and reused independently.
3. Which test is especially useful for threshold logic?
- Only file size
- A value exactly at the boundary
- Only a typical value
Show answer and explanation for question 3
Correct answer: B. A value exactly at the boundary
Equality reveals < versus <= mistakes.
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