300-435 Automating Cisco Enterprise Solutions (ENAUTO)

What are two characteristics of synchronous calls to APIs? (Choose two.)

  • A. They can be used only with certain programming languages.
  • B. They make your application less portable, so asynchronous calls are preferred.
  • C. They can add perceived latency to your application if data is not received.
  • D. They block until a response is returned from the servers.
  • E. They do not block while waiting for the API to be processed.
Answer: Option C, E.
Explanation: 

Reference: https://docs.cloudmgmt.cisco.com/display/40API/Synchronous+and+Asynchronous+APIs

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