A company is evaluating whether to build a custom plugin or extend an existing one. They need to add a new feature that is closely related to the functionality of the existing 'CircleCI' plugin. They want to minimize maintenance overhead and ensure the feature is available across all their Backstage instances. What is the most appropriate approach?

Modify the CircleCI plugin's source code in node_modules to add the feature.

Create a new standalone plugin that duplicates the CircleCI functionality and adds the new feature.

Fork the CircleCI plugin and add the new feature directly to the fork.

Extend the CircleCI plugin using its extension points and APIs to add the new feature.

Which of the following is a typical component of a Backstage plugin?

A set of frontend components and backend APIs

Which of the following is a customization point within a Backstage plugin?

The plugin's README documentation

A developer has overridden a component in the Lighthouse plugin to display a custom scorecard. They want to ensure that the existing functionality of the plugin is not broken. What is the best testing strategy?

Run the plugin's existing test suite and add new tests for the custom component.

Skip testing because the override is simple and unlikely to break anything.

Manually test the plugin in a staging environment without writing automated tests.

Only test the custom component in isolation, as the plugin's tests are not relevant.

How do you typically adjust plugin settings in Backstage?

By using the Backstage configuration system

By changing the plugin's package name

By editing the plugin's source code

By modifying the plugin's README

Certified Backstage Associate (CBA)

Domain 4Objective 2

Customizing Backstage Plugins CBA Practice Questions (Page 5)

Part of the Customizing Backstage domain, which accounts for 32% of the CBA exam. Linux Foundation does not publish an official question count, but from its 90-minute exam (~35–60 total, ~11–19 in this domain), expect 3–5 from this objective — we provide 32 practice questions to prepare you well beyond it. (estimate)

32questions here

7free pages

8concepts

32%of the exam

Questions 21–25

21expert · hard
A company is evaluating whether to build a custom plugin or extend an existing one. They need to add a new feature that is closely related to the functionality of the existing 'CircleCI' plugin. They want to minimize maintenance overhead and ensure the feature is available across all their Backstage instances. What is the most appropriate approach?
Select an answer first
22foundation · easy
Which of the following is a typical component of a Backstage plugin?
Select an answer first
23foundation · easy
Which of the following is a customization point within a Backstage plugin?
Select an answer first
24application · medium
A developer has overridden a component in the Lighthouse plugin to display a custom scorecard. They want to ensure that the existing functionality of the plugin is not broken. What is the best testing strategy?
Select an answer first
25foundation · easy
How do you typically adjust plugin settings in Backstage?
Select an answer first

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