QUIZ ISTQB - THE BEST CTAL-TTA - NEW CERTIFIED TESTER ADVANCED LEVEL TECHNICAL TEST ANALYST EXAM REVIEW

Quiz ISTQB - The Best CTAL-TTA - New Certified Tester Advanced Level Technical Test Analyst Exam Review

Quiz ISTQB - The Best CTAL-TTA - New Certified Tester Advanced Level Technical Test Analyst Exam Review

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ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions (Q97-Q102):

NEW QUESTION # 97
Consider the following statements regarding Performance Efficiency Testing:
A) Static Analysis tools can analyze code to identify performance bottlenecks
B) Code reviews are an effective way of detecting performance issues
C) Scalability and Load testing are usually performed during the System test level
D) Performance test execution cannot begin until a production-like environment is available Which TWO of these statements are TRUE?

  • A. a and b
  • B. a and c
  • C. c and d
  • D. b and c

Answer: B

Explanation:
Statements about Performance Efficiency Testing:
A: Static Analysis tools can analyze code to identify performance bottlenecks.
* True. Static analysis tools can examine the codebase to identify potential performance issues, such as
* inefficient algorithms or resource-intensive operations.
B: Code reviews are an effective way of detecting performance issues.
* True. Code reviews can help identify inefficient code and potential performance bottlenecks, especially when reviewers have experience in performance optimization.
C: Scalability and Load testing are usually performed during the System test level.
* True. These tests are typically conducted during the system testing phase to ensure that the application can handle expected load levels and scale appropriately.
D: Performance test execution cannot begin until a production-like environment is available.
* False. While a production-like environment is ideal for accurate performance testing, preliminary performance tests can begin in a less similar environment, with full testing deferred until a closer approximation of production is available.
References:
The ISTQB CTAL-TTA syllabus and standard testing practices provide information on performance testing, including the use of static analysis tools and the typical timing of scalability and load testing.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on performance testing practices.


NEW QUESTION # 98
Why could test cases need to be refactored in an Agile project?
SELECT ONE OPTION

  • A. To maintain bi-directional traceability with the user stories
  • B. To ensure that the tests and code remained aligned
  • C. To make them easier to understand and cheaper to modify
  • D. To increase the breadth of black box coverage

Answer: C

Explanation:
In Agile projects, test cases may need to be refactored to make them simpler and less costly to modify. This is crucial because Agile methodologies prioritize adaptability and frequent changes to the codebase and documentation. Refactoring test cases in this context ensures that they remain aligned with the continuously evolving project requirements, are easier for teams to manage, and can be quickly adjusted to accommodate new or changed functionality without significant rework costs .


NEW QUESTION # 99
You are an experienced tester on an Agile team that is producing a new application. The product backlog has been refined sufficiently to begin development for the first release. This stories in this backlog contain a mixture of functional and non-functional requirements, as well as some technical stories that will provide elements of the application's infrastructure The developers have decided to use TDD as a deveiopment approach but automation of the acceptance tests is not yet planned.
You have been asked to recommend whether or not the team should take an atdd approach as well as TDD.
what would be the BEST recommendation in these circumstances?
SELECT ONE OPTION

  • A. NO. do not use ATDD, because it will not work when the acceptance tests are not automated
  • B. YES. use attd, but for the functional requirements only because it cannot be applied to non-functional or technical requirements.
  • C. NO. do not use atdd. because it is not compatible with the developers' TDD approach.
  • D. YES. use ATTD for all requirements including non-functional and technical stories.

Answer: D

Explanation:
Acceptance Test-Driven Development (ATDD) enhances both functional and non-functional aspects of the project, providing a collaborative approach to acceptance criteria that developers, testers, and stakeholders agree upon before development begins. Using ATDD alongside TDD (Test-Driven Development) ensures that both the internal system logic and the user-facing features adhere to the specified requirements, thereby increasing the likelihood of delivering a quality product that meets all stakeholders' expectations .


NEW QUESTION # 100
A software company based in Spain that develops mobile applications expects many small updates in the future, e.g., due to changing configurations and customer feedback. The company also wants to focus on being able to change the software effectively and efficiently during initial development without introducing new defects.
Which maintainability sub-characteristic should be covered by the test approach during the initial development?

  • A. Modifiability
  • B. Analysability
  • C. Modularity
  • D. Re-usability

Answer: A

Explanation:
In the context of a software company in Spain developing mobile applications with an expectation of many small updates due to changing configurations and customer feedback, focusing on being able to change the software effectively and efficiently during initial development without introducing new defects is crucial. The maintainability sub-characteristic that should be covered by the test approach during the initial development is Modifiability.
Modifiability refers to the ease with which a software product can be modified to correct faults, improve performance or other attributes, or adapt to a changed environment. In a scenario where frequent and small updates are anticipated, ensuring that the software architecture and design support easy modification is vital. This not only aids in implementing changes more rapidly but also helps in maintaining the stability and integrity of the application, thereby preventing the introduction of new defects. The focus on modifiability ensures that the software remains responsive to customer feedback and evolving requirements without compromising on quality or performance.


NEW QUESTION # 101
You work for a small supermarket chain which has successfully operated a product inventory application for several years. It has recently purchased a data warehousing solution which provides tailorable profiling of product purchases with the aim of improving its marketing strategy. The decision has been made to host the data warehousing software and database on the same server used by the product inventory application. Based on this decision, two product risks have been cataloged:
The co-existence of both applications on the same server may introduce resource conflicts, resulting in an unacceptable impact on the functionality of the product inventory application In the event of loss or corruption of product inventory data during transfer to the warehouse, it may not be possible to restore from back-up in the timeframe required, resulting in lost business.
Which TWO non-functional test types should be included in the test plan to mitigate both product risks?

  • A. Reliability testing and Stress testing
  • B. Load testing and Portability testing
  • C. Maintainability testing and Load testing
  • D. Compatibility testing and Reliability testing

Answer: A

Explanation:
In this scenario, the small supermarket chain faces two primary risks due to hosting both the data warehousing software and the product inventory application on the same server:
* Resource Conflicts: Co-existence of both applications on the same server may introduce resource conflicts, potentially impacting the functionality of the product inventory application.
* Data Loss/Corruption: In the event of loss or corruption of product inventory data during transfer to the warehouse, it may not be possible to restore from backup in the required timeframe, resulting in lost business.
Appropriate Non-Functional Test Types:
* Reliability Testing (Option C):
* Reliability testing ensures that the system performs consistently and accurately over time, even under load. This will help in identifying potential issues related to data loss or corruption and ensure that backup and restore processes work as expected within the required timeframe.
* Stress Testing (Option C):
* Stress testing evaluates the system's behavior under extreme conditions, such as peak loads. This will help in identifying resource conflicts and the system's ability to handle concurrent operations of both the data warehousing software and the product inventory application without performance degradation.
Explanation of Incorrect Options:
* A. Compatibility Testing and Reliability Testing:
* Compatibility testing is not directly relevant to the identified risks. Reliability testing is correct, but it needs to be paired with stress testing to address resource conflicts effectively.
* B. Load Testing and Portability Testing:
* Load testing alone does not cover the extreme conditions needed to identify resource conflicts.
Portability testing is not relevant to the identified risks.
* D. Maintainability Testing and Load Testing:
* Maintainability testing is not directly relevant to the immediate operational risks. Load testing is part of the solution but needs to be paired with stress testing.
References:
The ISTQB CTAL-TTA syllabus covers various non-functional testing types and their relevance to different risk scenarios. Reliability and stress testing are crucial in this context to ensure the system can handle concurrent applications and maintain data integrity under load.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on non-functional testing types and their applications.


NEW QUESTION # 102
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