Certified Backstage Associate Questions and Answers

200 questions organized by topic with detailed explanations

Linux Foundation

CBA

200 questions

4 topics

Updated May 2026

Backstage Development Workflow

48 questions12 easy24 medium12 hard~24% of exam

Which file is described as the main configuration file for a Backstage app?Which generated folder structure correctly matches a standard Backstage app?When using RepoUrlPicker, what should allowedHosts correspond to?

Backstage Infrastructure

44 questions12 easy21 medium11 hard~22% of exam

Where should you normally install a frontend UI plugin package in a Backstage monorepo?If a backend plugin depends on plugin-scoped services such as logger or httpRouter, what does it receive?What HTTP path pattern do the backend docs recommend for handlers added by a module?

Backstage Catalog

44 questions12 easy20 medium12 hard~22% of exam

If an entity does not specify a namespace, which namespace is assumed?What is the main purpose of spec.owner on catalog entities such as Component or API?How should the file location type be used in Backstage catalog configuration?

Customizing Backstage

64 questions16 easy35 medium13 hard~32% of exam

When inspecting a component to decide how to theme it, what is the official recommendation if you see a class name start...If you want RepoUrlPicker to request and use a signed-in user's OAuth token for repository operations, what additional s...If a component class name starts with bui, which theming approach should you usually use?

All Questions

#	Question	Topic	Difficulty
1	When inspecting a component to decide how to theme it, what is the official recommendation if you se...	Customizing Backstage	medium
2	Where should you normally install a frontend UI plugin package in a Backstage monorepo?	Backstage Infrastructure	medium
3	Which file is described as the main configuration file for a Backstage app?	Backstage Development Workflow	easy
4	Which generated folder structure correctly matches a standard Backstage app?	Backstage Development Workflow	medium
5	If a backend plugin depends on plugin-scoped services such as logger or httpRouter, what does it rec...	Backstage Infrastructure	medium

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