Populate Backstage Catalog CBA Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is the purpose of an entity provider in Backstage?

   • ATo validate catalog files before they are registered.
   • BTo ingest entities from external systems like GitHub or LDAP into the catalog.
   • CTo provide a user interface for managing catalog entities.
   • DTo store catalog entities in a database.
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2. 22application · medium

   An organization wants to catalog its users and groups in Backstage. They have an existing LDAP directory. They want to import users and groups automatically. What should they do?

   • AUse a custom processor to read LDAP data and create entities.
   • BConfigure an LDAP entity provider to ingest users and groups from the directory.
   • CCreate catalog-info.yaml files for each user and group manually.
   • DUse the Backstage API to create users and groups one by one.
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4. 23expert · hard

   A Backstage administrator has implemented a custom processor that adds a 'spec.owner' field to entities that do not have one. The processor runs after the built-in validation processor. What is the likely outcome?

   • AEntities without a 'spec.owner' will be rejected by the built-in validator before the custom processor runs.
   • BThe custom processor will cause an error because it modifies the entity after validation.
   • CThe built-in validator will be skipped for entities processed by the custom processor.
   • DThe custom processor will add the 'spec.owner' field, and the entity will be accepted.
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5. 24expert · hard

   A company uses both GitHub and GitLab for different teams. They want to populate the Backstage catalog from both sources. They have configured both entity providers. What is a potential issue they might encounter?

   • AEntity providers cannot be used simultaneously.
   • BThe catalog refresh interval will be ignored when using multiple providers.
   • CThe catalog will only ingest from the first configured provider.
   • DEntities from different providers may have conflicting names, causing registration errors.
   Reveal Solution Discussion Select an answer first
6. 25application · medium

   A Backstage administrator has a location that points to a catalog-info.yaml file in a Git repository. The file was updated, but the catalog still shows the old version. The administrator wants to force an immediate refresh of that location. What should they do?

   • ARestart the Backstage backend.
   • BUse the Backstage API to trigger a refresh of the location.
   • CWait for the next scheduled refresh interval.
   • DDelete and re-add the location in the UI.
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