CTAL-TTA_SYLL19_4.0 QUIZ & NEW CTAL-TTA_SYLL19_4.0 TEST PATTERN

CTAL-TTA_Syll19_4.0 Quiz & New CTAL-TTA_Syll19_4.0 Test Pattern

CTAL-TTA_Syll19_4.0 Quiz & New CTAL-TTA_Syll19_4.0 Test Pattern

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ISQI ISTQB Certified Tester Advanced Level - Technical Test Analyst (V4.0) Sample Questions (Q11-Q16):

NEW QUESTION # 11
Consider the code fragment provided below:

How many test cases are needed for the code fragment lines 26 - 37 to achieve 100% modified condition/decision coverage?

  • A. 6 test cases
  • B. 4 test cases
  • C. 2 test cases
  • D. 8 test cases

Answer: B

Explanation:
Modified condition/decision coverage (MC/DC) requires each condition in a decision to be shown to independently affect the decision's outcome. For the code fragment provided, we have three independent conditions that need to be evaluated both as true and false. The minimum number of test cases needed to satisfy MC/DC for three conditions is four, which would allow each condition to be shown to independently affect the outcome of the decision.


NEW QUESTION # 12
Which of the following statements about performance testing tools is NOT correct?

  • A. Significant factors to consider in the implementation of performance testing tools include the flexibility of the tool to allow different operational profiles to be easily implemented, and the hardware and network bandwidth required to generate the load.
  • B. Performance testing tools typically drive the application by simulating user interaction at the graphical user interface level to more accurately measure response times.
  • C. Typical metrics and reports provided by performance testing tools include the number of simulated users throughout the test, and the number and type of transactions generated by the simulated users, and the arrival rate of the transactions.
  • D. Performance testing tools generate a load by simulating a large number of virtual users following their designated operational profiles to generate specific volumes of input data.

Answer: B

Explanation:
The statement about performance testing tools that is NOT correct is that they typically drive the application by simulating user interaction at the graphical user interface (GUI) level to more accurately measure response times. In practice, performance testing tools often simulate user interactions at a protocol or service level rather than the GUI level. This approach allows the tools to generate a high load by simulating many virtual users, which would be challenging to achieve with GUI-level interactions due to the higher resource consumption and slower execution speed associated with GUI automation.
Performance testing tools are designed to assess the performance of a system under a particular load and are not primarily focused on the user interface. They simulate multiple users accessing the system simultaneously, which helps in identifying bottlenecks, understanding the system's behavior under load, and determining how the system scales with increasing load. The tools typically simulate user requests to the server, bypassing the GUI to directly test the backend, APIs, or other service endpoints. This method allows for more efficient and scalable testing, enabling the simulation of thousands of users without the overhead of rendering the GUI.


NEW QUESTION # 13
Consider the code fragment provided below:

The comment frequency of the code fragment is 13%.
To which non-functional quality characteristic does a good level of comment frequency especially contribute?

  • A. Maintainability
  • B. Usability
  • C. Portability
  • D. Performance Efficiency

Answer: A

Explanation:
The comment frequency in a code fragment relates to the number of comments in relation to the code size. A good level of comment frequency can significantly contribute to the maintainability of the software.
Maintainability is a non-functional quality characteristic that refers to the ease with which a software system can be modified to correct defects, update features, improve performance or other attributes, or adapt to a changed environment. Comments in the code help developers understand the logic, purpose, and functionality of the code, which is crucial when modifications are required. This does not directly contribute to portability, usability, or performance efficiency, which are concerned with different aspects of the software's operation and user interaction.


NEW QUESTION # 14
A medical company has performed a safety criticality analysis using the IEC61508 standard. The software components to be developed have been categorized by Safety Integrity Level (SIL). Most components have been rated at SIL 1 or 2, and a few components at SIL 4.
After some discussions with the QA manager, the project has decided to adhere to the recommendations for test coverage provided by the IEC61508 standard.
Which level and type of test coverage should at least be used for the components rated at Safety Integrity Level (SIL) 2?

  • A. 100% statement coverage, 100% decision coverage and 100% multiple condition coverage
  • B. 100% statement coverage, 100% decision coverage and 100% MC/DC coverage
  • C. 100% statement coverage
  • D. 100% statement coverage and 100% decision coverage

Answer: D

Explanation:
In the context of software testing, different safety integrity levels (SIL) require different levels of rigor in testing. According to the IEC61508 standard, for software components rated at SIL 2, achieving 100% statement coverage and 100% decision coverage is recommended. Statement coverage ensures that every line of code is executed at least once during testing, while decision coverage ensures that every decision in the code (e.g., every branch of an IF statement) is executed on both the true and false sides. These coverage criteria ensure a thorough testing of the software components to validate that they behave correctly in all circumstances. Multiple condition coverage and MC/DC coverage (Options A and B) are more rigorous and typically required for higher SIL levels, such as SIL 4.


NEW QUESTION # 15
Below is the pseudo-code for the Win program:

The bingo program contains a data flow anomaly. Which data flow anomaly can be found in this program?

  • A. The program does not contain any comments.
  • B. Variable 'A" is not assigned a value before using it.
  • C. It is recommended to use a variable instead of the hard-coded print results "Win" and *Loose".
  • D. Variable 'D" is defined but subsequently not used.

Answer: D

Explanation:
The pseudo-code provided for the "Win" program reads in variables A, B, C, and D. However, only variables A, B, and C are used in the conditional statements to determine if the output will be "Win" or "Loose".
Variable 'D' is never used after it is read, which is a classic example of a 'defined but not used' data flow anomaly. This means that while there is an instruction to read a value into variable 'D', there is no subsequent use of this variable in the program's logic or output.


NEW QUESTION # 16
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