OpenStack Identity (Keystone) Flashcards
6 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 6 OpenStack Identity (Keystone) flashcards as text
Which OpenStack service provides Identity, Authentication, and Authorization services?
Answer: Keystone
Keystone is the OpenStack Identity service that provides authentication, authorization, and service catalog functionality.
What is a Keystone 'token' used for?
Answer: A credential issued after authentication that authorizes API requests to OpenStack services
A Keystone token is a credential that proves a user's identity and authorizes them to make API calls to OpenStack services.
What is a Keystone 'project' (formerly 'tenant') in OpenStack?
Answer: An organizational unit that groups resources and users for isolation and quota management
A Keystone project is an isolated organizational container for grouping resources, users, and quotas in OpenStack.
Which Keystone token format is the current default and does not require backend validation for each request?
Answer: Fernet token
Fernet tokens are the current default in OpenStack Keystone; they are lightweight, encrypted, and stateless (no persistence required).
What is a Keystone 'role' used for?
Answer: Granting permissions to users by assigning named roles within a project
Keystone roles are named identifiers (e.g., 'admin', 'member') assigned to users within projects to define their permissions.
What is the Keystone service catalog?
Answer: A list of all OpenStack services and their API endpoints published to authenticated users
The Keystone service catalog lists all available OpenStack services and their API endpoints, returned to clients upon authentication.
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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
- openstack.org — Test delivery, score release, test dates, score validity, exam information · verified Oct 2026
- training.mirantis.com — Eligibility · verified Oct 2026
- object-storage-ca-ymq-1.vexxhost.net — Fees, renewal, retake fee, retake policy, time limit · verified Oct 2026