4.2 Consuming Google Cloud APIs PROFESSIONAL-CLOUD-DEVELOPER Practice Questions (Page 4)

Questions 16–20

1. 16application · medium

   You are using the Cloud Storage client library for Python to list all objects in a bucket that contains millions of objects. The list operation returns a page of results. What should you do to retrieve all objects?

   • AManually construct a loop that calls the REST API with the 'pageToken' parameter until the response has no nextPageToken.
   • BUse the 'max_results' parameter to increase the page size to the maximum allowed.
   • CIterate over the returned iterator, which automatically handles pagination and fetches subsequent pages as needed.
   • DCall the list_blobs method once and it returns all objects automatically.
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2. 17application · medium

   Your team is building a high-throughput, low-latency service that will make many calls to the Cloud Spanner API. You need to choose an access method that offers the best performance and is the recommended approach for this scenario. What should you use?

   • AThe Cloud Client Library for your language, which uses gRPC under the hood.
   • BThe API Explorer to make calls interactively.
   • CThe gcloud command-line tool with the spanner command.
   • DThe REST API with HTTP/2 and connection pooling.
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4. 18foundation · easy

   Which of the following is a feature of the Google APIs Explorer?

   • AIt provides a production-grade load balancer
   • BIt can generate request examples in multiple languages
   • CIt automatically deploys code to App Engine
   • DIt manages service account keys
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5. 19foundation · easy

   What is a primary benefit of using Google Cloud Client Libraries over raw REST calls?

   • AThey eliminate the need to enable APIs
   • BThey only work with gRPC
   • CThey are faster than REST in all cases
   • DThey automatically handle authentication and retries
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6. 20foundation · easy

   Why might a developer cache API responses?

   • ATo reduce latency and avoid unnecessary API calls
   • BTo increase the API rate limit
   • CTo ensure data is always up-to-date
   • DTo bypass authentication requirements
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