CBA Mock Exam Simulator

Free Certified Backstage Associate practice questions with full explanations on every option. Internal developer portals with Backstage.

Format

multi-choice

Duration

90 min

Pass mark

75%

Study time

1–6 wks

CBA exam domains

Backstage Catalog 22%
Customizing Backstage 32%
Backstage Development Workflow 24%
Backstage Infrastructure 22%

A free CBA sample question

Backstage Catalog

Q1. A repository owner adds catalog-info.yaml so Backstage can ingest a service into the software catalog. What should that file contain?

A A Kubernetes Pod manifest for deploying the service
Incorrect. The descriptor format resembles YAML but is not a Kubernetes deployment manifest.
B Entity metadata such as kind, name, owner, and relationships
Correct. catalog-info.yaml is an entity descriptor that Backstage can ingest into the catalog.
C The SQL schema used by the Backstage catalog database
Incorrect. Database schemas are managed by backend plugins and migrations.
D A global configuration file shared by every Backstage instance
Incorrect. catalog-info.yaml describes one or more catalog entities; it is not global app configuration.

Reveal answer and explanations

Start the full CBA mock exam90-min timer · paid plan required

Prerequisites and background knowledge

Familiarity with internal developer portals and platform engineering concepts. Basic TypeScript knowledge helps for plugin questions.

Official reference: cncf.io/training/certification/cba.

More CBA practice resources

CBA exam tips

Where to go after CBA

Once you pass CBA, these certs are natural next steps on the Golden Kubestronaut path:

CNPA — Certified Cloud Native Platform Engineering Associate

Frequently asked questions about CBA

What is the passing score for CBA?

75%.

How long is the CBA exam?

90 minutes, multi-choice format. See the official CNCF page for the current question count.

How difficult is the CBA exam?

Rated intermediate. Plan 1–6 weeks depending on your background.

How much does the CBA exam cost?

Pricing changes periodically — check the official CNCF CBA page at https://www.cncf.io/training/certification/cba/.

Are these CBA mock exams free?

The sample question on this page is free with no account. Full timed CBA mocks require a paid plan.

How is this mock exam different from the real CBA exam?

Original questions written against the official CNCF curriculum — not scraped dumps. Format mirrors the real exam; the real one is proctored, these are self-paced.

What is the best way to study for CBA?

Work through the official curriculum in order of domain weight (heaviest first), then run full timed mocks until you hit 85%+ consistently.