Module 3

Question 1

How does the autoscaler resolve conflicts between multiple scaling policies?

Answer 1

It selects the one that recommends the most VMs, to ensure the application is supported.

Question 2

Which of the following statements correctly explains what the command is creating?

gcloud compute instance-groups managed set-autoscaling example-managed-instance-group –max-num-replicas 20 –target-cpu-utilization 0.75 –cool-down-period 90

Answer 2

The command creates an autoscaler that has a target CPU utilization of 75% with a maximum of 20 VMs that will start collecting information about a VM 90 seconds after it is created.

Question 3

Which statement is true of autoscaling custom metrics.

Answer 3

Stackdriver metrics can be used as custom metrics for autoscaling policies.