You use Cloud Build to build your application. You want to reduce the build time while minimizing cost and development effort. What should you do?

Question

Options

• AUse Cloud Storage to cache intermediate artifacts.
• BRun multiple Jenkins agents to parallelize the build.
• CUse multiple smaller build steps to minimize execution time.
• DUse larger Cloud Build virtual machines (VMs) by using the machine-type option.

• A
  81% (26)
• B
  3% (1)
• C
  9% (3)
• D
  6% (2)

Explanation

Using Cloud Storage to cache intermediate build artifacts (A) is the built-in, recommended approach for speeding up Cloud Build pipelines. By storing compiled dependencies, downloaded packages, and intermediate outputs in a Cloud Storage bucket between builds, subsequent builds can skip redundant steps - significantly reducing build time. This requires minimal configuration (adding cache paths to the Cloud Build YAML) and adds no infrastructure overhead. Option B (Jenkins agents) requires setting up and maintaining a separate CI system, adding cost and complexity. Option C (smaller build steps) doesn't inherently reduce time - it only improves parallelism if steps are independent. Option D (larger VMs) increases cost directly and only helps CPU-bound steps, not dependency download or I/O-bound tasks.

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