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

Flask

Answer

FastAPI

Answer

Ruby on Rails

Question 2

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

Accepted Answer

openstack image create --file

Answer

openstack image upload --file

Answer

glance image-create --file

Answer

openstack image push --file

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

Managing IAM roles and user permissions in Keystone

Answer

Configuring TLS certificates for Horizon HTTPS access

Answer

Setting up VPN security policies for tenant networks

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 disk quota for the project that owns the image

Answer

The minimum number of storage nodes required to replicate the image

Answer

The minimum IOPS needed by the storage backend for the 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

It uses a local Django user database separate from OpenStack

Answer

It uses Kerberos tickets from the corporate Active Directory

Answer

It validates credentials against the Nova compute API

Question 6

What is a Glance 'task' API used for?

Accepted Answer

Managing asynchronous long-running operations on images like import and export

Answer

Scheduling periodic image cleanup jobs

Answer

Tracking user activity in the Glance audit log

Answer

Running image format conversion jobs in the background