Describe Steps to Build a Custom Dashboard to Present Data Collected from Cisco APIs 350-901 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is a key responsibility of a backend service in a dashboard architecture?

   • ARendering interactive charts and graphs for the user
   • BAggregating data from multiple sources and serving it to the frontend
   • CStoring user preferences in the browser's local storage
   • DProviding the network infrastructure for the dashboard
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2. 2foundation · easy

   Which of the following is a popular frontend framework used to build the overall structure of a dashboard application?

   • ADjango
   • BAngular
   • CFlask
   • DExpress
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4. 3expert · hard

   A developer is building a dashboard that retrieves data from Cisco Webex API. The API uses OAuth2 for authentication and returns an access token that expires in 1 hour. The developer wants to ensure the backend can automatically refresh the token without user intervention. Which approach should the developer implement?

   • AStore the refresh token and use it to obtain a new access token when the current one expires.
   • BPrompt the user to re-authenticate every hour when the token expires.
   • CRequest a new access token using the client credentials grant every time.
   • DUse the access token indefinitely and ignore the expiration.
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5. 4application · medium

   A developer is building a dashboard backend that aggregates data from Cisco Webex and Cisco Meraki APIs. The backend will be deployed as a container in a cloud environment. The developer wants to ensure that API credentials are not exposed in the code repository. Which approach should the developer use?

   • AHardcode the credentials in the backend source code and rely on the container image being private.
   • BUse a public cloud function that retrieves the credentials from a public URL.
   • CInclude the credentials in a configuration file that is committed to the repository for easy deployment.
   • DStore the credentials as environment variables in the container runtime and reference them in the code.
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6. 5expert · hard

   A dashboard combines data from Cisco Meraki and Cisco Webex. Meraki returns device status as 'online' or 'offline', while Webex returns meeting status as 'active' or 'ended'. The frontend needs to display a unified status indicator (e.g., green for online/active, red for offline/ended). What is the best way to handle this in the backend?

   • AMap each source's status to a common enum (e.g., 'up' and 'down') in the backend and send that to the frontend.
   • BSend the raw status strings to the frontend and let the frontend map them to colors.
   • CStore the raw statuses in a database and display them as-is.
   • DCreate a separate endpoint for each API and let the frontend handle the differences.
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