OpenStack OpenStack Image Service (Glance) & Dashboard (Horizon) 3

Question 1

What is the default web framework used to build OpenStack Horizon?

Accepted Answer

Django

Answer

Horizon is built on the Django web framework, which provides its MVC architecture and templating system.

Question 2

Which OpenStack CLI command uploads a local disk image to Glance?

Accepted Answer

openstack image create --file

Answer

The 'openstack image create --file ' command uploads a local image file to the Glance service.

Question 3

What is Horizon's 'Security Groups' panel used for in the Project view?

Accepted Answer

Creating and managing Neutron firewall rule sets applied to VM instances

Answer

The Security Groups panel in Horizon allows users to create and manage Neutron security group rules (inbound/outbound firewall rules) for their instances.

Question 4

What Glance property 'min_disk' specifies?

Accepted Answer

The minimum root disk size (in GB) required to boot an instance from the image

Answer

The 'min_disk' property specifies the minimum root disk size in GB that a Nova flavor must have to boot from this image.

Question 5

How does Horizon authenticate users when they log in to the dashboard?

Accepted Answer

It passes credentials to Keystone and receives a token to manage the session

Answer

Horizon authenticates users by submitting their credentials to Keystone and storing the returned token in the user's session.

OpenStack Practice Test

OpenStack Practice Test

OpenStack OpenStack Image Service (Glance) & Dashboard (Horizon) 3