4.2 Consuming Google Cloud APIs PROFESSIONAL-CLOUD-DEVELOPER Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   You are automating the setup of a new Google Cloud project. As part of the setup, you need to enable the Cloud Compute API for the project. You want to do this programmatically using the Service Usage API. What should you do?

   • AUse the gcloud services enable command.
   • BCall the Service Usage API's services.enable method with the project and service name.
   • CUse the Cloud Console to enable the API manually.
   • DCall the Compute Engine API's instances.insert method to enable the API.
   Reveal Solution Discussion Select an answer first
2. 12foundation · easy

   Which of the following is a valid way to enable a Google Cloud API for a project?

   • ABy deploying a Cloud Function
   • BUsing the Cloud Console, gcloud CLI, or the Service Usage API
   • COnly through the Cloud Console
   • DBy creating a new IAM role
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   Your Node.js application needs to read configuration data from a Cloud Storage bucket. The data changes at most once a day. You want to minimize the number of API calls and keep the code simple. What should you do?

   • AUse the REST API directly and make a call every time the configuration is needed.
   • BUse the Cloud Storage client library for Node.js and cache the file contents in memory, refreshing every hour.
   • CUse the API Explorer to fetch the configuration at startup.
   • DUse gRPC to stream the configuration file continuously.
   Reveal Solution Discussion Select an answer first
5. 14expert · hard

   Your application caches responses from the Cloud Vision API in a distributed cache. The cache has a TTL of 24 hours. However, you notice that some cached results are stale after a few hours because the underlying images are updated frequently. You want to improve freshness without significantly increasing API calls. What should you do?

   • AReduce the TTL to 1 hour.
   • BImplement cache invalidation by notifying the cache when images are updated.
   • CRemove the cache entirely and call the API every time.
   • DUse a longer TTL to reduce API calls further.
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   How are permissions typically scoped for a service account?

   • ABy setting a password for the service account
   • BBy enabling the API in the Cloud Console
   • CBy assigning IAM roles to the service account
   • DBy configuring the API endpoint
   Reveal Solution Discussion Select an answer first