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Core Components Flashcards

7 cards from real OpenStack practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Core Components flashcards as text

  1. Which OpenStack service provides the Identity and Authentication functionality?

    Answer: Keystone

    Keystone is the OpenStack Identity service that handles authentication, authorization, and service catalog management.

  2. What is the primary function of OpenStack Nova?

    Answer: Compute instance lifecycle management

    Nova is OpenStack's compute service responsible for spawning, scheduling, and managing virtual machine instances.

  3. Which OpenStack component acts as the default message broker between services?

    Answer: RabbitMQ

    RabbitMQ is the default AMQP message broker used by OpenStack services to communicate asynchronously.

  4. In OpenStack Neutron, what is a 'provider network'?

    Answer: A network mapped directly to a physical network in the data center

    A provider network in Neutron is connected directly to existing physical infrastructure and is typically managed by the cloud operator.

  5. Which OpenStack service is responsible for storing and managing VM images?

    Answer: Glance

    Glance is the OpenStack Image service that provides discovery, registration, and retrieval of virtual machine images.

  6. What does the Horizon dashboard use to interact with OpenStack services?

    Answer: OpenStack REST APIs

    Horizon is a Django-based web UI that calls each OpenStack service's REST API on behalf of the user.

  7. Which OpenStack service manages bare-metal provisioning?

    Answer: Ironic

    Ironic is the OpenStack Bare Metal provisioning service that deploys operating systems directly onto physical servers.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. openstack.org — Test delivery, score release, test dates, score validity, exam information · verified Oct 2026
  2. training.mirantis.com — Eligibility · verified Oct 2026
  3. object-storage-ca-ymq-1.vexxhost.net — Fees, renewal, retake fee, retake policy, time limit · verified Oct 2026