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Security falls under..?
Security testing falls under functional testing. It involves verifying that the system protects data and maintains functionality as intended, even in the presence of malicious inputs or attacks. Security testing is essential to ensure that the system meets its security requirements and is capable of resisting unauthorized access or other security breaches. Reference: ISTQB CTFL Syllabus V4.0, Section 2.4.3.
Dynamic Analysis Tools are used to:
Dynamic Analysis Tools are used during the execution of software to find defects that can occur while the software is running. These tools can identify issues such as memory leaks, which are not detectable by static analysis tools.
In the MASPAR case study..?
In the MASPAR case study, several key issues were highlighted. Security failures were attributed to untested parts of code (A), despite achieving complete statement and branch coverage, a serious bug was still missed in the MASPAR operating system (B). Additionally, an obscure error required testing the function with nearly every input value to find the two special-case failures (C). Therefore, all these points together (D) illustrate the complexity and challenges in software testing. Reference: ISTQB CTFL Syllabus V4.0.
A deviation from the specified or expected behavior that is visible to end-users is called:
A deviation from the specified or expected behavior that is visible to end-users is defined as a 'failure.' According to the ISTQB CTFL Syllabus, version 4.0:
An error is a human action that produces an incorrect result.
A fault (also known as a defect or bug) is a flaw in a component or system that can cause the system to fail to perform its required function.
A failure occurs when a fault is executed, leading to a deviation from the expected behavior, and this deviation becomes apparent to the end-users.
Thus, a visible deviation from the specified or expected behavior is termed a failure in the context of software testing.
Which of the following options describe the causal chain in the correct sequence?
The correct sequence in the causal chain is 'Error, fault, failure'. An error (or mistake) made by a person can lead to a fault (or defect) in the software. When the fault is executed, it may cause a failure in the software system. This sequence is important to understand the cause and effect relationship in software testing and defect management .
