Google Updated Cloud-Digital-Leader Exam Questions and Answers by aylin

Instance is alive for no more than 24 hours,  Can be pre-empted with a 30 second notice, Discounted Significantly.

  Preemptible VM is an instance that you can create and run at a lower cost than normal instances.

However, Compute Engine might stop (pre-empt) these instances if it requires access to those resources for other tasks. Preemptible instances are excess Compute Engine capacity, so their availability varies with usage.

Live at most 24 hours Can be pre-empted with a 30 second notification via API  and are Discounted significantly

Reference link- https://cloud.google.com/compute/docs/instances/preemptible

Community Cloud – The cloud infrastructure is planned for selective use by a particular community of consumers from organizations that have mutual interests like security needs, policy, and compliance considerations.

Reference link- https://csrc.nist.gov/glossary/term/community_cloud

Bucket names have to be unique across Google Cloud Platform [GCP], Including other organizations and projects.