COA Implementation & Configuration 2

Question 1

Which command creates a new OpenStack project (tenant) using the CLI?

Accepted Answer

openstack project create <name>

Answer

The 'openstack project create <name>' command is the unified CLI method to create a new project in Keystone.

Question 2

In Neutron, what is the purpose of a 'router gateway' configuration?

Accepted Answer

It connects a Neutron router to an external provider network for outbound traffic

Answer

Setting a router gateway connects the Neutron router to an external network, enabling SNAT and floating IP association for outbound connectivity.

Question 3

Which Nova scheduler filter ensures an instance is placed on a host with sufficient free RAM?

Accepted Answer

RamFilter

Answer

RamFilter rejects hosts that do not have enough available RAM to satisfy the instance flavor's memory requirement.

Question 4

What does the 'openstack server resize' command do?

Accepted Answer

Changes an instance's flavor to alter its vCPU, RAM, and disk allocation

Answer

Server resize applies a new flavor to an existing instance, which must then be confirmed or reverted.

Question 5

In Cinder, which command attaches a volume to a running Nova instance?

Accepted Answer

openstack server add volume

Answer

The 'openstack server add volume' command attaches a Cinder volume to a running instance using the unified CLI.

(COA) Certified OpenStack Administrator Exam Practice Test