The Value of APIs CLOUD-DIGITAL-LEADER Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   A healthcare provider wants to allow third-party wellness apps to access patient fitness data, but only with patient consent and in a way that does not expose the entire electronic health record system. What is the best approach?

   • AAllow the apps to access the health record system using a shared admin account.
   • BShare a de-identified copy of the entire health record database with the apps.
   • CProvide the third-party apps with VPN access to the health record system.
   • DExpose a limited API that returns only the fitness data, with OAuth-based consent.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   A financial data provider wants to sell access to its real-time stock market data to algorithmic trading firms. They need to ensure low latency and high reliability, and they want to charge based on the number of data requests. What is the best approach?

   • AOffer a free public API and rely on advertising revenue.
   • BSell the data on physical media that is updated daily.
   • CProvide a direct TCP connection to the data feed for each customer.
   • DExpose a high-performance API and use Apigee to manage access, monitor performance, and meter usage.
   Reveal Solution Discussion Select an answer first
4. 23expert · hard

   A company has a public API that is experiencing occasional outages due to backend service failures. They want to improve reliability without changing the backend services. Which Apigee feature is most appropriate?

   • AProvide a fallback static response for all API calls.
   • BConfigure API caching and circuit breaker policies in Apigee.
   • CIncrease the number of backend service instances.
   • DUse a load balancer to distribute traffic to multiple regions.
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A company wants to launch a public API to attract developers, but they are concerned about the cost of maintaining the API and the risk of abuse. They want to start small and scale as adoption grows. What is the best strategy?

   • AProvide the API for free with no limits to encourage adoption.
   • BDo not expose any public API until the company is sure it will be profitable.
   • CLaunch all planned endpoints at once to maximize developer interest.
   • DStart with a limited set of endpoints, use Apigee to enforce quotas and monitor usage, and expand based on demand.
   Reveal Solution Discussion Select an answer first
6. 25application · medium

   A company has a legacy inventory system that does not support modern web protocols. They want to integrate it with a new e-commerce platform. What is the most effective way to enable this integration?

   • AManually enter inventory data into the e-commerce platform daily.
   • BBuild an API layer that translates between the legacy system and the e-commerce platform.
   • CReplace the legacy system entirely with a modern ERP system.
   • DProvide the e-commerce platform with direct database access to the legacy system.
   Reveal Solution Discussion Select an answer first