CTAL-TTA sample questions

Question 1

A project is using an automated test framework that generates code coverage reports after each nightly build. The team observes that while statement coverage is consistently high (above 95%), decision coverage is much lower (around 60%). Which of the following is the MOST likely cause for this discrepancy?
```mermaid
pie title Code Coverage Report
"Statement Coverage" : 95
"Decision Coverage" : 60
```

Accepted Answer

The test data used in the regression suite lacks variety, causing many conditional statements (e.g., if, case) to only ever evaluate one of their possible outcomes (e.g., only the 'true' branch is ever taken).

Answer

The code contains a large amount of unreachable 'dead code'.

Answer

The coverage tool is misconfigured and is not instrumenting the code correctly.

Answer

The application has complex logical conditions that require MC/DC testing, which is not being measured.

Question 2

Within an embedded software project, the maintainability of the software is considered to be critical. It has been decided to use static analysis on each delivered software component.Which of the following metrics is NOT a maintainability metric typically used with static analysis? A.Number of Lines of Code (LOC)B.Number of Function CallsC.Mean Time Between FailuresD.Comment Frequency

Accepted Answer

Mean Time Between Failures

Answer

Number of Lines of Code (LOC)

Answer

Number of Function Calls

Answer

Comment Frequency

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