2.08 Apply Key Concepts Related to the Design On-Demand Provisioning of Application Services 402 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What does 'scaling out' mean in the context of cloud application services?

   • AIncreasing the size (CPU/RAM) of a single instance
   • BAdding more instances of a service to handle increased load
   • CDecreasing the number of instances to reduce cost
   • DMoving the service to a different region
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2. 12expert · medium · select all that apply

   A company wants to create a catalog of application service templates for different workloads (e.g., web app, data analytics, batch processing). They want to ensure that the templates are reusable and maintainable. Which practices should they follow? (Select all that apply.)

   • AHardcode all values to ensure consistency.
   • BParameterize templates to allow customization for different environments.
   • CVersion control the templates to track changes.
   • DCreate a separate template for every possible variation.
   • ETest templates in a staging environment before publishing to the catalog.
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4. 13foundation · easy

   In the lifecycle of a provisioned application service, what does 'decommissioning' involve?

   • ASafely removing the service and its associated resources when they are no longer needed
   • BBacking up the service data to another region
   • CScaling the service to handle more traffic
   • DUpdating the service to a newer version
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5. 14expert · medium · select all that apply

   A company is designing an on-demand provisioning system for their cloud infrastructure. They want to ensure that the system is automated, scalable, and self-service. Which of the following are key principles they should apply? (Select all that apply.)

   • ADesign for elasticity so resources can scale up and down based on demand.
   • BUse infrastructure as code to define and version all resources.
   • CManually approve every resource request to ensure security.
   • DUse a single large resource for all workloads to simplify management.
   • EProvide a self-service portal that allows users to request resources without IT intervention.
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6. 15expert · medium · select all that apply

   A company is building a custom portal that provisions cloud resources using the provider's API. They need to ensure secure and reliable API integration. Which practices should they implement? (Select all that apply.)

   • AUse webhooks to receive asynchronous notifications about resource state changes.
   • BStore API credentials in plain text in the portal's configuration.
   • CImplement retry logic with exponential backoff for API calls.
   • DPoll the API every second for every resource to stay up to date.
   • EUse service principals or IAM roles for authentication.
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