Which command should you run?

Your data is stored in Cloud Storage buckets. Fellow developers have reported that data downloaded from Cloud Storage is resulting in slow API performance. You want to research the issue to provide details to the GCP support team.

Which command should you run?
A . gsutil test Co output.json gs://my-bucket
B . gsutil perfdiag Co output.json gs://my-bucket
C . gcloud compute scp example-instance:~/test-data Co output.json gs://my-bucket
D . gcloud services test Co output.json gs://my-bucket

Answer: B

Explanation:

Reference: https://groups.google.com/forum/#!topic/gce-discussion/xBl9Jq5HDsY