Compute Engine

Question 1

Compute Engine at a high level allows a user to…

Answer 1

Create and run VMs

Question 2

What are some of the things a user can pick when setting up Compute Engine?

Answer 2

Image - Linux, Windows, custom
Memory
CPU
GPU
Disk - standard, SSD (persistent)
Local SSD scratch disk (lost when goes down)
Startup scripts
Disk Snapshotting

Question 3

What setting allows compute engine to terminate your resources

Answer 3

Preemptable instances

Question 4

Network throughput scaling

Answer 4

2 Gbps per vCPU. Theoretical max of 32 Gbps with 16 vCPUD, or 100 Gbps with T4 or V100 GPUs

Question 5

What is relationship between vCPU and threads?

Answer 5

1 vCPU = 1 hardware hyper thread

Question 6

VM lifecycle

Answer 6

Provisioning > Staging > Running > Stopping > Terminated

Question 7

What happens during provisioning?

Answer 7

vCPU + Memory setup, root/persistent disk setup, additional disk setup

Question 8

What happens during staging?

Answer 8

IP addresses setup, image setup, boot

Question 9

What happens during running?

Answer 9

Startup script, can SSH/RDP, Modify Use (Move VM to different zone, snapshot, export system image, set/get metadata), live migrate

Question 10

What happens during stopping?

Answer 10

Shutdown script

Question 11

What happens during terminated?

Answer 11

Delete, Availability policy?