CISA · Question #7
Which of the following metrics is the BEST indicator of the performance of a web application?
The correct answer is D. Average response time. The average response time is the best metric for indicating web application performance because it directly measures the end-user experience, showing how quickly requests are processed.
Question
Which of the following metrics is the BEST indicator of the performance of a web application?
Options
- AServer thread count
- BServer uptime
- CHTTP server error rate
- DAverage response time
How the community answered
(32 responses)- A3% (1)
- B6% (2)
- C3% (1)
- D88% (28)
Why each option
The average response time is the best metric for indicating web application performance because it directly measures the end-user experience, showing how quickly requests are processed.
Server thread count indicates server load or capacity but doesn't directly measure the speed at which individual user requests are fulfilled.
Server uptime measures availability, not performance; a server can be up but performing poorly.
HTTP server error rate indicates reliability or functionality issues, not the speed or responsiveness of successful operations.
Average response time directly reflects the end-user experience by measuring the total time from when a user sends a request to when they receive a complete response. A lower average response time indicates a more performant and responsive application, which is a critical factor for user satisfaction and operational efficiency.
Concept tested: Web application performance metrics
Source: https://learn.microsoft.com/en-us/azure/azure-monitor/app/web-app-performance-monitoring
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