ISTQB Certified Tester Foundation Level - Specialist Performance Testing exam collection，CTFL-PT_D actual test

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CTFL-PT_D Test Answers - ISTQB Certified Tester Foundation Level - Specialist Performance Testing Test Torrent & CTFL-PT_D Guide Torrent

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ISQI ISTQB Certified Tester Foundation Level - Specialist Performance Testing Sample Questions (Q16-Q21):

NEW QUESTION # 16
(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).
Natalie has run a performance test cycle. The following metrics have been collected:
Total virtual users: 10,000.
* Status of the simulated users.
o Total number of users for whom all transactions have been completed: 89%.
* Transaction response time, o Check-in
* Response time < 1 second: 60%
* Response time < 2 seconds: 70%
* Response time < 3 seconds: 88%
* Response time < 5 seconds: 90%
* Response time < 10 seconds: 95%
Question
Given this information, how should Natalie present the results to those involved?
SELECT ONE OPTION

A. The percentage of completed transactions is so close to the acceptance value that no improvement is required. The transactions associated with the check-in are below the acceptance value, a minimum improvement is required.
B. The percentage of completed transactions is close to the acceptance value, an improvement is required. The transactions associated with the check in are below the acceptance value, an improvement is required.
C. The percentage of completed transactions is close to the acceptance value, no improvement is required. The transactions associated with the check-in are below the acceptance value, no improvement is required.
D. The percentage of completed transactions is close to the acceptance value, an improvement is required. The transactions associated with the check-in are close to the acceptance value, no Improvement is required.

Answer: B

Explanation:
When presenting performance test results, it is vital to compare the collected metrics against the predefined acceptance criteria and highlight areas needing improvement.
* Option A incorrectly suggests that no improvement is required for completed transactions, even though the acceptance value isn't met.
* Option B rightly states that improvements are required for completed transactions but incorrectly suggests no improvement is needed for check-in transactions.
* Option C suggests no improvements are needed for either metric, which is incorrect as both are below the acceptance values.
* Option D correctly identifies that both the percentage of completed transactions and the check-in transactions are below the acceptance values and require improvement.
Therefore, Option D accurately reflects the need for improvements in both metrics to meet the acceptance criteria.

NEW QUESTION # 17
Identify the correspondences between the different tools (listed from 1 to 3) and their objectives and characteristics (listed from A to F).
1. Load generator.
2. Load management console.
3. Monitoring tool.
1. It monitors, records and/or analyzes the behavior of the component or system under test.
2. It creates the load and also collects the metrics for later communication.
3. It provides the control to start and stop the creation and execution of the user simulation.
4. It aggregates metrics from the various transactions that are defined within the load instances
5. It creates and runs multiple client instances that simulate user behavior.
6. It can effectively support a root cause analysis of performance in a system under test.
SELECT ONE OPTION

A. 1B-1A-2A-2D-3C-3F
B. 1A- 1E-2A-2C-2D-3F.
C. 1B-1E-2C-2D-3A-3F.
D. 1B- 1F-2C-2F-3A-3D.

Answer: C

Explanation:
The correct associations between the tools and their objectives and characteristics are:
1. Load generator:
o 1B: It creates the load and also collects the metrics for later communication.
o 1E: It creates and runs multiple client instances that simulate user behavior.
2. Load management console:
o 2C: It provides the control to start and stop the creation and execution of the user simulation.
o 2D: It aggregates metrics from the various transactions that are defined within the load instances.
3. Monitoring tool:
o 3A: It monitors, records, and/or analyzes the behavior of the component or system under test.
o 3F: It can effectively support a root cause analysis of performance in a system under test.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary

NEW QUESTION # 18
Scenario
James is participating in a project In which a web portal is being developed to sell tickets for different types of events.
Once the sale has been made and confirmed by the payment channel, the information must be available to the rest of the types of user (for example, the managers of each event) In a maximum time of 2 seconds (It Is expected that this temporal constraint will be met in 95% of the transactions and that 90% of the transactions will be completed at 100%).
Ticket sales take place during a time window (start date and time, end date and time) that is announced in advance. At the beginning of this window, there are peaks of 150 users per minute, for 5 minutes.
Question
Choose the option that enables James to meet the performance target.
SELECT ONE OPTION

A. Create a baseline corresponding to the total number of users registered in the production database.
B. Establish the acceptance criteria for response times.
C. Create a baseline for maximum attendance for the ticketing transaction.
D. There is no need to set a baseline for the peak attendance, it is a known value.

Answer: C

Explanation:
Creating a baseline for maximum attendance helps ensure that the system can handle peak loads. This baseline acts as a reference point for performance testing, allowing James to simulate and measure the system's behavior under expected peak conditions. By doing this, he can verify that the system meets the performance target of handling 150 users per minute within the specified time constraints. Establishing such baselines is a fundamental practice in performance testing, as emphasized by the ISTQB guidelines.

NEW QUESTION # 19
If a performance test is testing the response time of an application to be connected through remote access, which protocol is being used?
SELECT ONE OPTION

A. RTE.
B. LDAP.
C. WSCL.
D. MMS.

Answer: A

Explanation:
RTE (Remote Terminal Emulation) protocol is used when testing the response time of an application connected through remote access. It simulates interactions with applications over a network as if they were being accessed locally, making it suitable for remote access scenarios.
Reference:
* ISTQB Performance Testing Syllabus
* ISTQB Glossary

NEW QUESTION # 20
Identify the activity that is NOT part of the performance test preparation.
SELECT ONE OPTION

A. Setting up the system under test.
B. Virtualizing the servers.
C. Deploying the environment.
D. Setting up the load generation and monitoring tools and making sure that all the necessary information will be collected.

Answer: B

Explanation:
Virtualizing the servers is not typically part of performance test preparation. Performance test preparation generally involves activities such as deploying the test environment, setting up the system under test, and configuring load generation and monitoring tools to ensure accurate data collection. While virtualization can be an aspect of the overall infrastructure setup, it is not a direct step in preparing for performance testing. ISTQB performance testing guidelines emphasize setting up the environment, system, and tools specifically for performance test execution.

NEW QUESTION # 21
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