RELIABLE CTAL-TTA EXAM PDF - RELIABLE CTAL-TTA TEST BRAINDUMPS

Reliable CTAL-TTA Exam Pdf - Reliable CTAL-TTA Test Braindumps

Reliable CTAL-TTA Exam Pdf - Reliable CTAL-TTA Test Braindumps

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ISTQB Certified Tester Advanced Level Technical Test Analyst Sample Questions (Q168-Q173):

NEW QUESTION # 168
Which of the following statements is true regarding API and GUI testing?

  • A. API testing usually requires the use of tools, whereas GUI testing usually does not
  • B. API testing usually tests Individual inputs rather than combinations whereas GUI testing usually tests combinations
  • C. Negative testing is used primarily with GUI testing
  • D. In a service-oriented architecture. GUI testing is more important because of the need to verify the service supplied to the user

Answer: B

Explanation:
API testing tends to focus on individual inputs more than combinations of inputs. This is because APIs, as the intermediary layers of software, often handle specific types of data input and output rather than user interaction sequences. GUI testing, on the other hand, involves testing the interface with which the user interacts, which frequently includes testing various combinations of user inputs and sequences to simulate actual user scenarios. Thus, GUI testing typically requires checking the integration and behavior of elements in combination to ensure they work together as expected in a user environment .


NEW QUESTION # 169
What is MOST likely to be a consideration when implementing a new performance test tool?

  • A. The load generation suggested by the operational profiles of the users may exceed the available hardware and network bandwidth of the tool
  • B. The language used for programming the system under test may be different from that used to develop the tool
  • C. The lack of flexibility in the tool may mean that it is unable to generate incorrect inputs for all the different types of virtual user
  • D. The model used to describe the intended execution-time behavior of the system under test may not be compatible with the tool

Answer: A

Explanation:
Analysis:
When implementing a new performance test tool, it is crucial to consider the capabilities of the tool in relation to the system under test and the operational profiles.
B: The load generation suggested by the operational profiles of the users may exceed the available hardware and network bandwidth of the tool:
* This is a key consideration because if the tool cannot generate the required load due to hardware or network limitations, it will not accurately simulate real-world conditions and may lead to invalid test results.
Explanation of Incorrect Options:
* A: The lack of flexibility in the tool may mean that it is unable to generate incorrect inputs for all the different types of virtual user:
* While flexibility is important, performance testing primarily focuses on load and stress, not on generating incorrect inputs.
* C: The model used to describe the intended execution-time behavior of the system under test may not be compatible with the tool:
* This is less likely to be a primary consideration compared to the tool's ability to handle the required load.
* D: The language used for programming the system under test may be different from that used to develop the tool:
* The programming language differences are typically not a critical issue for performance testing tools, as they interact with the system at a higher level.
References:
The ISTQB CTAL-TTA syllabus discusses the considerations for selecting and implementing performance testing tools, highlighting the importance of ensuring the tool can handle the expected load.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on performance testing tools.


NEW QUESTION # 170
Your team is developing an e-shop application (the SUT) that will use a third-party service to process payments via an API. This third-party payment gateway is itself still under development Which statement contains a pair of benefits that can BOTH be expected from service virtualization in this circumstance' SELECT ONE OPTION

  • A. Parallel compilation, continuous integration, and test automation; more effective configuration management.
  • B. Earlier discovery of defects in the SUT; the ability to share code between the SUT and the payment gateway.
  • C. Realistic testing of the SUT before the actual payment gateway is available, simplification of the test environment
  • D. Earlier testing of the API, reduction in the amount of test data needed

Answer: C

Explanation:
Service virtualization in the context of developing an e-shop application with an external payment gateway (still under development) offers significant benefits. It allows for realistic testing of the System Under Test (SUT) by simulating the behavior of the still-developing payment gateway, thus enabling testing to proceed without the actual service being available. Additionally, it simplifies the test environment by reducing the complexities associated with integrating and maintaining a live external service during development and testing phases .


NEW QUESTION # 171
Which statement is correct with respect to fault injection tools?

  • A. They can detect memory leaks and wild pointers when a component is executing
  • B. They deliberately introduce incorrect inputs to a system to ensure it can withstand and recover from error conditions
  • C. They inject defects into the SUT in order to test the error handling capabilities of test automation software
  • D. They modify the code under test in order to check the coverage achieved by specified tests

Answer: B

Explanation:
Analysis:
Fault injection tools are used to introduce faults into a system to test its robustness and error-handling capabilities.
B: They deliberately introduce incorrect inputs to a system to ensure it can withstand and recover from error conditions:
* This statement correctly describes the purpose of fault injection tools, which is to introduce faults or errors to evaluate how well the system can handle and recover from these conditions.
Explanation of Incorrect Options:
* A: They modify the code under test in order to check the coverage achieved by specified tests:
* This describes code coverage tools, not fault injection tools.
* C: They inject defects into the SUT to test the error handling capabilities of test automation software:
* Fault injection tools test the system under test (SUT) itself, not the test automation software.
* D: They can detect memory leaks and wild pointers when a component is executing:
* This describes dynamic analysis tools, not fault injection tools.
References:
The ISTQB CTAL-TTA syllabus covers the use of fault injection tools and their role in testing the robustness of systems.
Sources:
* ISTQB-CTAL-TTA Syllabus
* General knowledge on fault injection tools.


NEW QUESTION # 172
Consider the following specification:

If you are flying with an economy ticket, there is a possibility that you may get upgraded to business class, especially if you hold a gold card in the airline's frequent flier program. If you don't hold a gold card, there is a possibility that you will get 'bumped' off the flight if it is full when you check in late.
This is shown in the control flow graph below. Note that each box (i.e., statement, decision) has been numbered.
Three tests have been run:
Test 1: Gold card holder who gets upgraded to business class
Test 2: Non-gold card holder who stays in economy
Test 3: A person who is bumped from the flight
What is the level of decision coverage achieved by these three tests?

  • A. 67%
  • B. 80%
  • C. 75%
  • D. 60%

Answer: A

Explanation:
The control flow graph provided illustrates the decision points for an airline's upgrade and boarding process. Decision coverage is a measure of the percentage of decision points executed during testing:
Test 1 covers the decision points: Gold card? (Yes) and Business full? (No).
Test 2 covers: Gold card? (No) and Economy full? (No).
Test 3 covers the decision that leads to being bumped from the flight, which is Economy full? (Yes) and Business full? (Yes).
From the given tests, the decision points for Gold card? (No) and Business full? (No) are not tested, leaving us with 4 out of 6 decision points covered, which is approximately 67% decision coverage.


NEW QUESTION # 173
......

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