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1. Why use DictReader?
- It respects CSV parsing and headers
- It grants permissions
- It automatically validates every number
Show answer and explanation for question 1
Correct answer: A. It respects CSV parsing and headers
Parsing and validation are separate responsibilities.
2. What should an empty measurement become?
- A verified zero
- A validation error
- A successful normal device
Show answer and explanation for question 2
Correct answer: B. A validation error
Missing evidence is not a zero measurement.
3. What belongs in a repeatable automation design?
- Unbounded append
- No errors
- Explicit output and rerun behavior
Show answer and explanation for question 3
Correct answer: C. Explicit output and rerun behavior
Repeated runs must be predictable.
4. A-002 differs in owner and site, while A-004 and A-005 each occur in only one source. What is the result grain?
- Four finding rows concerning three asset identities.
- Four affected assets because there are four findings.
- Two findings because field changes should always be merged.
Show answer and explanation for question 4
Correct answer: A. Four finding rows concerning three asset identities.
There are two field rows for A-002 and one presence row for each of A-004 and A-005. Counts must name their grain. The summary separates field rows, mismatching shared assets and directional population differences.
5. The observed collector declares complete:false. Should the program report register-only assets?
- Yes, because a readable CSV is enough.
- No; reject the incomplete export before issuing absence findings.
- Yes, if the number of rows is non-zero.
Show answer and explanation for question 5
Correct answer: B. No; reject the incomplete export before issuing absence findings.
Missing records in a partial export cannot establish source absence. Even a complete declaration and matching count do not prove organization-wide authority; the collector scope still requires verification.
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