Part 1 "Test Techniques various" Which of the following is a dynamic analysis technique related to improving application performance? 1 credit [K2]

Question

Options

• ACode complexity analysis
• BProfiling
• CNetwork package sniffing
• DSpelling and grammar checking

• A
  2% (1)
• B
  89% (51)
• C
  5% (3)
• D
  4% (2)

Explanation

Profiling (B) is correct because it is a dynamic technique - meaning the application must actually be executed - that measures runtime behavior such as CPU usage, memory allocation, and function execution time to identify performance bottlenecks.

• A (Code complexity analysis) is wrong because it is a static technique - it analyzes source code without running it, and it targets maintainability/readability, not runtime performance.
• C (Network packet sniffing) is wrong because it captures network traffic for security or diagnostic purposes; it is not an application performance optimization technique, and while it involves a running system, it is not classified as a dynamic analysis technique for improving app performance.
• D (Spelling and grammar checking) is wrong because it applies to text or documentation, not software execution, and has no relation to performance.

Memory tip: "Dynamic" = the code must run. Think of profiling like a coach with a stopwatch timing a runner mid-race - you can only spot where they slow down by watching them actually perform, not by reading the training plan (static).

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