Selecting Performance Metrics CT-PT Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A test lead is prioritizing metrics for a performance test plan. The team has identified four metrics: (1) response time, (2) error rate, (3) throughput, and (4) CPU utilization. The primary objective is to validate a new SLA for a customer-facing web application. Which metric should be given the HIGHEST priority?

   • AError rate
   • BCPU utilization
   • CResponse time
   • DThroughput
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   What is the primary purpose of documenting the rationale for selecting each metric in a performance test plan?

   • ATo satisfy the requirements of the test tool's reporting module
   • BTo provide a historical record of the test team's decisions
   • CTo list all possible metrics that could have been used in the test
   • DTo justify the metric's relevance to the test objectives and stakeholder needs
   Reveal Solution Discussion Select an answer first
4. 13expert · hard

   A team is testing a new online gaming platform. The test environment is a lab with high-end servers. The team is measuring 'server-side response time' for a game action. A stakeholder argues that this metric is not relevant because it does not reflect the user's experience on their home computer. What is the BEST response?

   • ARemove the server-side metric and only report on the end-to-end response time
   • BAgree and switch to measuring only client-side response time
   • CKeep the metric but change its name to 'user experience time' to avoid confusion
   • DExplain that the metric is relevant because it isolates the server's performance, which is the primary focus of this test, and client-side factors are a separate concern
   Reveal Solution Discussion Select an answer first
5. 14foundation · easy

   A performance test is focused on database performance. Which metric is most relevant to this system under test?

   • AQuery execution time
   • BClient-side rendering time
   • CWeb server response time
   • DNetwork latency
   Reveal Solution Discussion Select an answer first
6. 15application · medium

   A team is testing a new online learning platform. The business goal is to increase student engagement. The team is considering several metrics. Which metric is the BEST indicator of the business goal?

   • AResponse time for loading a course page and the success rate of completing a lesson
   • BThroughput of the video streaming service
   • CServer response time for the login page
   • DError rate for the quiz submission feature
   Reveal Solution Discussion Select an answer first