COA OpenStack Heat & Orchestration 2

Question 1

What is a Heat environment file used for?

Accepted Answer

Overriding template parameters and resource registrations without modifying the template

Answer

Environment files allow operators to provide parameter defaults, override values, and register custom resource types without altering the original template.

Question 2

Which intrinsic function in HOT is used to reference the value of a parameter defined in the same template?

Accepted Answer

get_param

Answer

The 'get_param' intrinsic function retrieves the value of a parameter defined in the 'parameters' section of the template.

Question 3

What does the 'get_resource' intrinsic function return in a HOT template?

Accepted Answer

The UUID or name identifier of a resource defined in the template

Answer

The 'get_resource' function returns the ID (UUID or name) of a resource defined in the same template's 'resources' section, enabling resource interdependencies.

Question 4

Which command lists all stacks in the current project along with their status?

Accepted Answer

openstack stack list

Answer

The 'openstack stack list' command displays all stacks accessible in the current project, showing their names, IDs, and statuses.

Question 5

What happens to resources in a Heat stack when the stack is deleted?

Accepted Answer

All resources defined in the stack are deleted by default

Answer

Deleting a Heat stack triggers deletion of all resources it manages, making Heat stacks the atomic unit of lifecycle management.

(COA) Certified OpenStack Administrator Exam Practice Test

(COA) Certified OpenStack Administrator Exam Practice Test

COA OpenStack Heat & Orchestration 2