Free OpenStack Core Components Questions and Answers — Questions and Answers
Question 1: What part of OpenStack's computing, storage, and networking services acts as the user's dashboard?
- Horizon (Correct answer)
- Designate
- Searchlight
- Glance
Correct answer: Horizon
Explanation: <br> 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.
Question 2: Which three parts of OpenStack are required for Nova to work?
- Cinder, Swift and Kolla
- Neutron, Horizon and Glance
- Glance, Keystone and Horizon
- Keystone, Glance and Neutron (Correct answer)
Correct answer: Keystone, Glance and Neutron
Explanation: <br> 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.
Question 3: What is the fundamental job of the neutron?
- All of the above
- Networking (Correct answer)
- Compute
- Storage
Correct answer: Networking
Explanation: <br> Neutron is a software-defined networking component that delivers networking-as-a-service capabilities to virtual environments.
Question 4: What constitutes the foundational element of OpenStack orchestration?
- Manila
- Ironic
- Heat (Correct answer)
- Keystone
Correct answer: Heat
Explanation: <br> Heat acts as an orchestration engine that deploys cloud resources and applications through templates.
Question 5: Cinder handles block storage for OpenStack, while Swift handles object storage.
- TRUE (Correct answer)
- FALSE
Correct answer: TRUE
Explanation: <br> 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.
Question 6: What part of OpenStack offers identity services?
- Keystone (Correct answer)
- Trove
- Ceilometer
- Dragonflow
Correct answer: Keystone
Explanation: <br> 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.
Question 7: Which services does Glance offer?
- Disaster recovery
- Networking monitoring
- Image management (Correct answer)
- Container orchestration
Correct answer: Image management
Explanation: <br> OpenStack Glance is an image service that registers, discovers and retrieves VM images.
Free OpenStack Core Components Questions and Answers
What part of OpenStack's computing, storage, and networking services acts as the user's dashboard?