A performance test team is designing a test for a web application that uses WebSocket for real-time notifications and HTTPS for standard REST API calls. The test tool they are using supports both protocols. What is the most important consideration when scripting the test?

Script the test to include both HTTPS and WebSocket interactions as they occur in real user sessions.

Use only WebSocket for all communication since it is more efficient than HTTPS.

Use HTTPS for all requests to simplify the script, even if it means not testing WebSocket functionality.

Test WebSocket and HTTPS separately in different test scripts to avoid protocol conflicts.

A performance test engineer is asked to define measurable performance test objectives for an e-commerce application. Which of the following is the most appropriate example of a measurable performance test objective derived from a business requirement?

The system should not crash when many users access the website simultaneously.

The checkout process should complete within 3 seconds for 95% of transactions under a load of 500 concurrent users.

The system should be fast enough to satisfy users during peak shopping periods.

The application should provide a good user experience during the holiday season.

A performance test team is testing a web application that uses both HTTPS and WebSocket. The team has limited test tool licenses and needs to decide how to allocate virtual users to each protocol. The application's usage analytics show that 60% of user sessions involve WebSocket, and 40% use only HTTPS. What is the most appropriate way to allocate virtual users?

Allocate all virtual users to HTTPS-only sessions to simplify the test and reduce license usage.

Allocate virtual users proportionally: 60% to WebSocket sessions and 40% to HTTPS-only sessions.

Allocate virtual users equally between WebSocket and HTTPS-only sessions to ensure both are tested.

Allocate all virtual users to WebSocket sessions because they are more complex and likely to cause performance issues.

A performance test team is analyzing user behavior for a video streaming service. They have access to web analytics showing that 70% of users browse content, 20% watch a video, and 10% create a playlist. What is the most appropriate way to use this information when creating a load profile?

Distribute the virtual users according to the observed percentages to reflect the operational profile.

Use the percentages only for the steady-state phase and ignore them during ramp-up and ramp-down.

Focus the load profile only on the most resource-intensive activity, which is watching a video.

Apply an equal distribution of virtual users across all three activities to simplify the test.

Certified Tester Performance Testing

Domain 4Objective 1

Planning CT-PT Practice Questions (Page 4)

Part of the Performance Testing Tasks domain, which makes up ~20% of our current practice bank. ISTQB does not publish an official question count, but from its 90-minute exam (~35–60 total, ~7–12 in this domain), expect 2–3 from this objective — we provide 23 practice questions to prepare you well beyond it. (estimate)

23questions here

5free pages

7concepts

Questions 16–20

16application · medium
A performance test team is designing a test for a web application that uses WebSocket for real-time notifications and HTTPS for standard REST API calls. The test tool they are using supports both protocols. What is the most important consideration when scripting the test?
Select an answer first
17foundation · easy
A performance test engineer is asked to define measurable performance test objectives for an e-commerce application. Which of the following is the most appropriate example of a measurable performance test objective derived from a business requirement?
Select an answer first
18foundation · easy
Which communication protocol is commonly used in performance testing to simulate real-time, bidirectional communication between a client and a server, such as in chat applications?
Select an answer first
19expert · hard
A performance test team is testing a web application that uses both HTTPS and WebSocket. The team has limited test tool licenses and needs to decide how to allocate virtual users to each protocol. The application's usage analytics show that 60% of user sessions involve WebSocket, and 40% use only HTTPS. What is the most appropriate way to allocate virtual users?
Select an answer first
20application · medium
A performance test team is analyzing user behavior for a video streaming service. They have access to web analytics showing that 70% of users browse content, 20% watch a video, and 10% create a playlist. What is the most appropriate way to use this information when creating a load profile?
Select an answer first

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Planning CT-PT Practice Questions (Page 4)

Questions 16–20

A performance test team is designing a test for a web application that uses WebSocket for real-time notifications and HTTPS for standard REST API calls. The test tool they are using supports both protocols. What is the most important consideration when scripting the test?

A performance test engineer is asked to define measurable performance test objectives for an e-commerce application. Which of the following is the most appropriate example of a measurable performance test objective derived from a business requirement?

Which communication protocol is commonly used in performance testing to simulate real-time, bidirectional communication between a client and a server, such as in chat applications?

A performance test team is analyzing user behavior for a video streaming service. They have access to web analytics showing that 70% of users browse content, 20% watch a video, and 10% create a playlist. What is the most appropriate way to use this information when creating a load profile?

Keep studying — Performance Testing Tasks