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Google Exam Professional Cloud Network Engineer Topic 4 Question 108 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 108
Topic #: 4
[All Professional Cloud Network Engineer Questions]

You need to ensure your personal SSH key works on every instance in your project. You want to accomplish this as efficiently as possible.

What should you do?

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Suggested Answer: A

Overview By creating and managing SSH keys, you can let users access a Linux instance through third-party tools. An SSH key consists of the following files: A public SSH key file that is applied to instance-level metadata or project-wide metadata. A private SSH key file that the user stores on their local devices. If a user presents their private SSH key, they can use a third-party tool to connect to any instance that is configured with the matching public SSH key file, even if they aren't a member of your Google Cloud project. Therefore, you can control which instances a user can access by changing the public SSH key metadata for one or more instances. https://cloud.google.com/compute/docs/instances/adding-removing-ssh-keys#addkey


by Chau at Jul 03, 2025, 10:31 PM

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Lynelle
2 days ago
D seems like the easiest option. Let gcloud do the heavy lifting and copy the key for me. Lazy, but efficient!
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Matilda
6 days ago
I'm going with B. Uploading the key to each instance's metadata might take a bit more time, but it's more secure that way.
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Annett
11 days ago
Option A all the way! Uploading the key to the project metadata is the most efficient way to ensure it works across all instances.
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