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Question 185 - Cloud Digital Leader discussion

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Which of the following is / are true for Preemptible Instances.

A.
Preemptible Instances have no Service Level Agreement (Compute Engine SLA).
Answers
A.
Preemptible Instances have no Service Level Agreement (Compute Engine SLA).
B.
Google Cloud Free Tier credits for compute engine do not apply to preemptible in-stances.
Answers
B.
Google Cloud Free Tier credits for compute engine do not apply to preemptible in-stances.
C.
Preemptible instances can't live migrate to a regular VM instance, or be set to au-tomatically restart when there is a maintenance event.
Answers
C.
Preemptible instances can't live migrate to a regular VM instance, or be set to au-tomatically restart when there is a maintenance event.
D.
All of the above.
Answers
D.
All of the above.
Suggested answer: D

Explanation:

Preemptible instances function like normal instances but have the following limitations:

-> Compute Engine might stop preemptible instances at any time due to system events. The probability that Compute Engine will stop a preemptible instance for a system event is generally low, but might vary from day to day and from zone to zone depending on current conditions.

-> Compute Engine always stops preemptible instances after they run for 24 hours. Certain actions reset this 24-hour counter.

-> Preemptible instances are finite Compute Engine resources, so they might not always be available.

-> Preemptible instances can't live migrate to a regular VM instance, or be set to automatically restart when there is a maintenance event.

-> Due to the above limitations, preemptible instances are not covered by any Service Level Agreement (and, for clarity, are excluded from the Compute Engine SLA).

-> The Google Cloud Free Tier credits for Compute Engine do not apply to preemptible instances.

asked 18/09/2024
Pranoy Bej
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