PCD Question 72

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• Chose B1

  The correct answer is B. gsutil perfdiag -o output.json gs://my-bucket . Here's why: gsutil perfdiag : This command is specifically designed to run a suite of diagnostic tests on a Cloud Storage bucket. It measures various performance aspects, including latency, throughput, and listing operations. This is exactly what you need to gather detailed information about the slow download performance. -o output.json : This option specifies that the results of the diagnostic tests should be saved to a JSON file named output.json . This file will contain detailed performance metrics that you can provide to the GCP support team.

• 1

  Let's break down why the other options are incorrect: A. gsutil test -o output.json gs://my-bucket : gsutil test is not a valid command. There's no command in gsutil called test . C. gcloud compute scp example-instance:~/test-data -o output.json gs://my-bucket : This command is used to copy files from a Compute Engine instance to a Cloud Storage bucket. It doesn't perform any performance diagnostics. D. gcloud services test -o output.json gs://my-bucket : gcloud services test is used to test the availability and performance of Google Cloud services, but it's not specific to Cloud Storage.

• Chose B1

  To research the issue of slow API performance when downloading data from Cloud Storage, you can use the gsutil perfdiag command. This command runs a set of tests to report the actual performance of a Cloud Storage bucket and provides detailed information on the performance of individual operations.