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Your team needs to deploy all public SSH keys to every instance in a specific Google Cloud project. You've gathered all the keys. What's the most efficient method to deploy these keys with minimal steps?
A
Format the keys as required and use the gcloud compute instances add-metadata command to upload them to each instance individually.
gcloud compute instances add-metadata
B
Compile all keys into a properly formatted file and use the gcloud compute project-info add-metadata command to upload them project-wide.
gcloud compute project-info add-metadata
C
Utilize the gcloud compute ssh command for uploading all the keys directly.
gcloud compute ssh
D
After formatting the keys appropriately, upload each one manually through the user interface.
