Compute Engine

Question 1

What is Compute Engine?

Answer 1

Compute Engine is a scalable and flexible virtual machine service that offers computing capabilities in the cloud, with options to utilize certain CPUs, GPUs, or Cloud TPUs.

Source - https://cloud.google.com/terms/services

Question 2

What is a Cloud TPU?

Answer 2

A Cloud Tensor Processing Unit. It is used to speed up ML workloads.

Question 3

Can you store metadata onn Compute Engine instaces?

Answer 3

No. Though you can specific metadata for a VM, the metadata is stored on a metadata server that the instance automatically has access to.

Question 4

What wold you use Comute Engine metadata for?

Answer 4

Common variable between instances (Database IP)

Question 5

Is Compute Engine VM Metadata secure?

Answer 5

No. Any process that can query the metadata url will have access to the metadata values, so storing sensitive information there is not advised.

Question 6

What are the different types of Metadata?

Answer 6

Project (with subtypes of Project-wide & zonal)

Instance metadata

Question 7

How would you access VMmetadata?

Answer 7

By using one of the following directories:

For project-wide: http://metadata.google.internal/computerMetadats/v1/project/

For project zonal: http://metadata.google.internal/computerMetadats/v1/instance/

Question 8

Can you create nested VM Metadata directories?

Answer 8

Yes, by adding a trailing slash to the metadata’s key name.

Question 9

What is a managed instance Group?

Answer 9

A managed instance group (MIG) creates managed instances according to configurations set by the you. Each managed instance represented the intended state of a VM.