When evaluating the relevance of a metric for a performance test, which factor is most important to consider?

The metric's ease of calculation by the test tool

The metric's popularity in industry benchmarks

The metric's ability to reflect the performance objective of the test

The metric's historical use in previous test cycles

A team is testing a new mobile banking app. The test environment uses a simulated network that adds a constant 50ms latency. The team is measuring 'end-to-end response time' from the mobile client. A stakeholder argues that this metric is not relevant because the test environment's latency is artificial. What is the BEST response to this concern?

Keep the metric but change its name to 'server response time' to avoid confusion

Explain that the metric is relevant because it measures the user-perceived experience, and the simulated latency is a controlled variable that allows for consistent comparison

Agree and switch to measuring only server-side response time

Remove the simulated latency from the test environment to make the metric more 'realistic'

A performance test team is defining the pass/fail criteria for a new online ticketing system. The business has stated that 'the system must be fast enough to prevent user frustration.' The team has identified several metrics. Which metric should be given the HIGHEST priority in the pass/fail criteria?

Average response time for the search function

Peak CPU utilization on the application server

95th percentile response time for the search function

Certified Tester Performance Testing

Domain 2Objective 3

Selecting Performance Metrics CT-PT Practice Questions (Page 1)

Part of the Performance Measurement Fundamentals domain, which makes up ~28% of our current practice bank. ISTQB does not publish an official question count, but from its 90-minute exam (~35–60 total, ~10–17 in this domain), expect 2–3 from this objective — we provide 24 practice questions to prepare you well beyond it. (estimate)

24questions here

5free pages

7concepts

Questions 1–5

1foundation · easy
When evaluating the relevance of a metric for a performance test, which factor is most important to consider?
Select an answer first
2expert · hard
A team is testing a new mobile banking app. The test environment uses a simulated network that adds a constant 50ms latency. The team is measuring 'end-to-end response time' from the mobile client. A stakeholder argues that this metric is not relevant because the test environment's latency is artificial. What is the BEST response to this concern?
Select an answer first
3foundation · easy
Which metric category indicates the volume of work the system can handle over a specific period?
Select an answer first
4application · medium
A performance test team is defining the pass/fail criteria for a new online ticketing system. The business has stated that 'the system must be fast enough to prevent user frustration.' The team has identified several metrics. Which metric should be given the HIGHEST priority in the pass/fail criteria?
Select an answer first
5foundation · easy
A performance test objective is to verify that the system can handle 1,000 concurrent users without crashing. Which metric is most directly aligned with this objective?
Select an answer first

Finished these 5 questions?

Review the revealed explanations, or continue through the curriculum.

Next 5 questions →Back to CT-PT

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by ISTQB. “CT-PT” is a trademark of its owner, used for identification only.

Selecting Performance Metrics CT-PT Practice Questions (Page 1)

Questions 1–5

When evaluating the relevance of a metric for a performance test, which factor is most important to consider?

Which metric category indicates the volume of work the system can handle over a specific period?

A performance test objective is to verify that the system can handle 1,000 concurrent users without crashing. Which metric is most directly aligned with this objective?

Keep studying — Performance Measurement Fundamentals