FREE OpenStack Core Components Questions and Answers
What part of OpenStack offers identity services?
Explanation:
Keystone provides authentication and authorization through an API for OpenStack. It supports Lightweight Directory Access Protocol, OAuth, OpenID Connect, Security Assertion Markup Language and SQL.
What is the fundamental job of the neutron?
Explanation:
Neutron is a software-defined networking component that delivers networking-as-a-service capabilities to virtual environments.
Cinder handles block storage for OpenStack, while Swift handles object storage.
Explanation:
Swift and Cinder are the main OpenStack components for storage. Swift is a scalable, distributed object storage system primarily meant for unstructured data. Cinder provides persistent block storage to OpenStack environments.
Which services does Glance offer?
Explanation:
OpenStack Glance is an image service that registers, discovers and retrieves VM images.
What part of OpenStack's computing, storage, and networking services acts as the user's dashboard?
Explanation:
Horizon is an OpenStack component that provides a web-based graphical interface, more commonly known as a dashboard. An enterprise can customize the Horizon dashboard to meet its unique needs.
What constitutes the foundational element of OpenStack orchestration?
Explanation:
Heat acts as an orchestration engine that deploys cloud resources and applications through templates.
Which three parts of OpenStack are required for Nova to work?
Explanation:
Nova gives enterprises a way to provision resources, such as VMs, bare-metal servers and containers. To perform its basic functions, Nova requires the Keystone, Glance and Neutron components.