What is typically required to authenticate Backstage with an external service like GitHub?

A username and password for every user

An API token or OAuth app credentials

What is the purpose of configuration overlays in Backstage?

To provide a visual interface for editing configuration

To merge multiple Backstage instances into one

To encrypt sensitive configuration values

To allow different configurations for different environments without duplicating the entire config

How do you configure a plugin in Backstage?

By using environment variables only

By modifying the plugin's source code directly

By creating a new YAML file for each plugin

By adding a block under the plugin's name in the configuration file

What is the recommended way to handle sensitive values like API tokens in Backstage configuration?

Store them in a public GitHub repository

Hardcode them in app-config.yaml

Use environment variables or secret references

Encrypt them with a simple cipher in the config file

Certified Backstage Associate (CBA)

Domain 2Objective 2

Configure Backstage CBA Practice Questions (Page 5)

Part of the Backstage Infrastructure domain, which accounts for 22% of the CBA exam. Linux Foundation does not publish an official question count, but from its 90-minute exam (~35–60 total, ~8–13 in this domain), expect 2–3 from this objective — we provide 27 practice questions to prepare you well beyond it. (estimate)

27questions here

6free pages

9concepts

22%of the exam

Questions 21–25

21foundation · easy
In Backstage configuration, which top-level section is used to configure the frontend application?
Select an answer first
22foundation · easy
What is typically required to authenticate Backstage with an external service like GitHub?
Select an answer first
23foundation · easy
What is the purpose of configuration overlays in Backstage?
Select an answer first
24foundation · easy
How do you configure a plugin in Backstage?
Select an answer first
25foundation · easy
What is the recommended way to handle sensitive values like API tokens in Backstage configuration?
Select an answer first

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