Performance Profiling Quiz

Quiz covering Performance Optimization

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

1. 1

   Which of the following tools is primarily used to identify bottlenecks in a running application by sampling the call stack at regular intervals?

2. 2

   When analyzing performance metrics, what does a high 'Time to First Byte' (TTFB) typically indicate?

3. 3

   You notice that your application's memory usage increases steadily over time until it crashes. What is the most likely cause?

4. 4

   Which profiling technique involves injecting code into an application to measure the execution time of specific blocks or methods?

5. 5

   During a performance audit, you observe that a specific microservice has high CPU utilization but low throughput. After reviewing the thread dump, you see many threads in a 'BLOCKED' state waiting on the same monitor. What is the most likely bottleneck?