CTFL-PT_D QUIZ STUDYING MATERIALS: ISTQB CERTIFIED TESTER FOUNDATION LEVEL - SPECIALIST PERFORMANCE TESTING - CTFL-PT_D TEST TORRENT & CTFL-PT_D TEST BOOTCAMP

CTFL-PT_D Quiz Studying Materials: ISTQB Certified Tester Foundation Level - Specialist Performance Testing - CTFL-PT_D Test Torrent & CTFL-PT_D Test Bootcamp

CTFL-PT_D Quiz Studying Materials: ISTQB Certified Tester Foundation Level - Specialist Performance Testing - CTFL-PT_D Test Torrent & CTFL-PT_D Test Bootcamp

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ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing Sample Questions (Q23-Q28):

NEW QUESTION # 23
(REFER TO BASE SCENARIO 2): When you refer to Base Scenario 2, you are referring to the description and only the description, without any modification.
Question specific constraints: (specific constraints are not part of the Base Scenario and are specific to this question).
Throughout the month of January (31 days), the company performed 3,100 departure operations from the Capital City Airport. These departure operations transported 465,000 passengers during the hours of operation, from 07:00 to 23:00.
The departing passengers (one of the most relevant operational profiles) will access the front-end of the application to check in for their flight. It is known that 30% of departing passengers reconnect after checking in to request the boarding pass to be resent or printed.
Question
Assuming there is one boarding every 5 minutes, what should be the minimum front-end processing capacity of the system for the "departing passenger* user? It is assumed that there will be 12 peaks or maximums per hour.
SELECT ONE OPTION

  • A. 100 * 12 + (60 -12) * 15.10 = 1,924.80 transactions/hour
  • B. 100 * 12 + (60-12) *4.69 = 1,425.12 transactlons/hour
  • C. 100 * 12 + (60 -12) * 10.42 = 1.700.16 transactions/hour
  • D. 100 * 12 + (60 -12) * (10.42 - 4.69) = 1.475.04 transactions/hour

Answer: C

Explanation:
To calculate the minimum front-end processing capacity, we need to account for the peak and off-peak transactions:
1. Peak Transactions:
o Assume 12 peak periods per hour.
o During peak times, the transaction rate is 100 transactions/minute.
2. Off-Peak Transactions:
o There are 60 - 12 = 48 minutes of off-peak periods per hour.
o Off-peak transaction rate is 10.42 transactions/minute.
3. Total Transactions Per Hour:
o Peak transactions: 12 * 100 = 1,200 transactions.
o Off-peak transactions: 48 * 10.42 = 500.16 transactions.
o Total transactions per hour: 1,200 + 500.16 = 1,700.16 transactions/hour.
Thus, the correct answer is D. 100 * 12 + (60 - 12) * 10.42 = 1,700.16 transactions/hour.


NEW QUESTION # 24
Select the option that identifies the possible causes of the degradation of a system's response over time during dynamic performance testing.
1. Disk fragmentation.
2. Network latency.
3. File repository growth.
4. Memory leaks.
5. Inadequate database design.
SELECT ONE OPTION

  • A. True options: I, III, IV.
  • B. True options: II, III, V.
  • C. True options: I, II, IV.
  • D. True options: II, III, IV.

Answer: A

Explanation:
* Disk fragmentation (I) can lead to slower data retrieval times as the disk has to work harder to read fragmented files.
* File repository growth (III) increases the amount of data that must be managed and retrieved, which can slow down response times.
* Memory leaks (IV) gradually consume available memory, leading to slower system performance as the available memory for processing tasks decreases.
Network latency (II) and inadequate database design (V) are also potential causes of performance degradation, but in this context, options I, III, and IV are the most directly related to the gradual degradation of response times over time. This understanding is supported by common performance testing practices outlined in ISTQB materials.


NEW QUESTION # 25
Which of following statements (listed I. to V.) are TRUE in characterizing result verification and error handling in a performance test script?
1. It is not necessary to verify that the script Is doing what It is supposed to do using Indirect methods, such as a database check.
2. The scripts should always include logical rules.
3. Manual intervention may be required to carry out remedial action in the event of an error.
4. Performance scripts should be subject to quality control and testing, just like any software product.
5. The default error handling of the performance test tools Is sufficient, so no additional checks need to be introduced.
SELECT ONE OPTION

  • A. True statements: III, IV.
  • B. True statements: II, IV.
  • C. True statements: 111, V.
  • D. True statements: I, IV.

Answer: A

Explanation:
Performance test scripts require meticulous verification and error handling to ensure they function as intended.
* Statement III: Manual intervention may be required to carry out remedial action in the event of an error. This is true as certain errors might require human judgment to resolve.
* Statement IV: Performance scripts should be subject to quality control and testing, just like any software product. This ensures the reliability and effectiveness of the performance test scripts.
Statements I, II, and V have inaccuracies:
* Statement I: Verification using indirect methods can be necessary.
* Statement II: While logical rules are important, they are not always mandatory.
* Statement V: Default error handling may not be sufficient, and additional checks can be crucial.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Advanced Test Automation Engineer Syllabus


NEW QUESTION # 26
Choose the MOST suitable description of the structure of a performance test script SELECT ONE OPTION

  • A. The initialization section Is the section in which everything Is prepared for the main part, the main sections can be executed several times and the finalization section is the section in charge of registering the results In the corresponding repository.
  • B. The Initialization section is the section in which everything Is prepared for the main part, the main sections can be executed several times and the clean-up section is the section where the necessary steps are carried out to finish the test correctly.
  • C. The clean-up section Is the section in which everything is prepared for the main part In order to comply with the preconditions, the main sections can be executed several times and the completion section is the section that takes care of recording the results In the corresponding repository.
  • D. The Initialization section Is the section in which everything Is prepared for the main part, the main sections are executed only once, because If It is necessary to repeat any action the whole script or part of it must be repeated and the clean-up section Is the section where the necessary steps are carried out to finish the test correctly.

Answer: B

Explanation:
A performance test script generally consists of three main sections:
* Initialization: This section sets up the preconditions and prepares the system for the main test actions. It ensures that the environment and the test are ready to execute.
* Main section: This is where the core test actions occur. These actions can be executed multiple times to simulate different loads and scenarios.
* Clean-up: This section includes steps to properly close the test, such as releasing resources, resetting states, and logging results.
This structure ensures that performance tests are conducted systematically and efficiently, as emphasized by ISTQB performance testing standards.


NEW QUESTION # 27
Choose the option that BEST describes valid opportunities for the dynamic performance testing.
SELECT ONE OPTION

  • A. During component Integration testing, across any kind of use cases and workflows, especially when integrating different use case features or Integrating with the "backbone" structure of a workflow.
  • B. During system testing of overall end-to-end behaviors under various load conditions.
  • C. During unit testing, including using or not profiling information to determine potential bottlenecks and white box techniques to evaluate resource utilization.
  • D. During acceptance testing, especially for data flows and workflows across key inter-system interfaces. In system integration testing, it is not uncommon for the "user* to be another system or machine (e.g. inputs from sensor inputs and other systems).

Answer: B

Explanation:
System testing of overall end-to-end behaviors under various load conditions provides a comprehensive view of how the system performs in real-world scenarios. This type of testing captures interactions between components, identifies potential bottlenecks, and ensures that the system meets performance requirements under expected load conditions. ISTQB performance testing principles highlight the importance of end-to-end testing to validate that the system can handle the intended workloads effectively.


NEW QUESTION # 28
......

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