Understand Backstage Client-Server Architecture CBA Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which component in the Backstage architecture is responsible for rendering the user interface and handling user interactions?

   • AThe backend service, which processes API requests and returns HTML templates.
   • BThe frontend application, which runs in the browser and presents the UI to the user.
   • CThe plugin registry, which manages UI components and their lifecycle.
   • DThe database, which stores UI configuration and templates.
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2. 7expert · hard

   A team is developing a Backstage plugin that needs to share data between the frontend and backend. They want to ensure the plugin can be reused across multiple Backstage instances. What is the best practice for structuring the plugin?

   • ACreate separate frontend and backend packages and document the API manually.
   • BEmbed the backend logic in the frontend package to avoid version mismatches.
   • CCreate a single package that includes both frontend and backend, and use a well-defined API contract.
   • DUse a shared database that both frontend and backend access directly.
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4. 8foundation · easy

   In the Backstage client-server architecture, which statement best describes the relationship between the frontend and backend?

   • AThe frontend and backend are bundled into a single executable that runs on the user's machine, with no network communication.
   • BThe frontend is a static SPA that communicates with the backend via REST APIs, while the backend serves data and functionality.
   • CThe frontend directly accesses the database to retrieve data, bypassing the backend entirely.
   • DThe backend is a static site that is served to the browser, and the frontend is a server-side application that processes requests.
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5. 9foundation · easy

   How are Backstage plugins structured in relation to the client-server architecture?

   • APlugins are standalone applications that run independently of the Backstage core.
   • BPlugins are only backend components that serve data to the frontend.
   • CEach plugin has both a frontend part and a backend part that work together.
   • DPlugins are only frontend components that display data from the core backend.
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6. 10expert · hard

   A Backstage backend plugin is failing to start because it cannot connect to a required external service. The frontend is working but shows errors when trying to use the plugin. What is the best way to troubleshoot this?

   • ARestart the frontend to clear cached errors.
   • BCheck the backend plugin's logs for connection errors.
   • CIncrease the backend's memory allocation.
   • DCheck the frontend's network requests to see if they are reaching the backend.
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