ISTQB Updated CTAL-TTA Exam Questions and Answers by avery

The pseudo code provided for the Price program shows a potential for an infinite loop due to the way the 'Del_Charge' variable is being manipulated. The loop is set to continue 'WHILE Del_Charge > 0', and within the loop, 'Del_Charge' is initially set to 5 and then potentially decreased by 2 if 'Sale_Value > 60000'. However, at the end of each loop iteration, 'Del_Charge' is increased by 1. This means that if 'Sale_Value' is not greater than 60000, 'Del_Charge' will not decrease and will instead increment indefinitely, causing an infinite loop. Even if 'Sale_Value' is greater than 60000, the decrement by 2 could be negated by the subsequent increments if the loop runs enough times, potentially leading to an infinite loop situation. There is no guaranteed exit condition once the loop is entered, which is a control flow anomaly.

Analysis:

Understanding the roles and functionalities of component testing tools and build automation tools is crucial for effective software development and testing processes.

B. In a full continuous integration process, build automation tools are typically used to trigger the builds by every commit to a repository:

This is a fundamental function of build automation tools in continuous integration environments. They automatically trigger builds whenever code changes are committed to the repository, ensuring that the codebase is continuously tested and integrated.

Explanation of Incorrect Options:

A. Build automation tools allow users to change variable values during execution and step through the code of each component line by line:

This describes a function of debugging tools, not build automation tools.

C. Build automation tools cannot be used to periodically schedule the builds, for example during the night:

This is incorrect as build automation tools can indeed schedule builds at specified times.

D. Component testing tools are not used for writing tests at component level but to automate the component testing:

Component testing tools are used for writing and automating tests at the component level.

References:

The ISTQB CTAL-TTA syllabus and standard practices in continuous integration and build automation highlight the role of build automation tools in triggering and scheduling builds.

Sources:

ISTQB-CTAL-TTA Syllabus

General knowledge on continuous integration and build automation.

A valid test condition for the performance efficiency testing of a new Internet toolbar is memory usage. Testing how much memory the toolbar consumes during operation is essential to ensure it does not adversely affect the performance of the host system, particularly when the toolbar is expected to run concurrently with other applications .

Service virtualization is used in test environments to simulate the behaviors, data, and performance characteristics of dependent systems that are not available for testing due to limitations such as cost, access, or complexity. This allows for more thorough testing of the product under test in a controlled, stable environment that mimics real-world conditions without the need for actual live systems .