ISTQB-CTFL Question #92: Real Exam Question with Answer & Explanation

The correct answer is A. Very low MTBF (Mean Time Between failure). Static analysis tools are software tools that examine the source code of a program without executing it. They can detect various types of issues, such as syntax errors, coding standards violations, security vulnerabilities, and potential bugs. However, static analysis tools canno

Question

Which of the following issues cannot be identified by static analysis tools?

Options

AVery low MTBF (Mean Time Between failure)
BPotentially endless loops
CReferencing a variable with an undefined value
DSecurity vulnerabilities

Explanation

Static analysis tools are software tools that examine the source code of a program without executing it. They can detect various types of issues, such as syntax errors, coding standards violations, security vulnerabilities, and potential bugs. However, static analysis tools cannot identify issues that depend on the runtime behavior or performance of the program, such as very low MTBF (Mean Time Between failure). MTBF is a measure of the reliability of a system or component. It is calculated by dividing the total operating time by the number of failures. MTBF reflects how often a system or component fails during its expected lifetime. Static analysis tools cannot measure MTBF because they do not run the program or observe its failures. MTBF can only be estimated by dynamic testing, which involves executing the program under various conditions and collecting data on its failures.

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