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200-301 · Question #746
200-301 Question #746: Real Exam Question with Answer & Explanation
The correct answer is B: REST. This question asks for the API style that uses HTTP messages to transfer data between applications on different hosts.
Submitted by anjalisingh· Mar 5, 2026Automation and Programmability
Question
Which API use HTTP meddages to tansfer data to applications residing on different host ?
Options
- AOpFlex
- BREST
- COpenStack
- DOpenFlow
Explanation
This question asks for the API style that uses HTTP messages to transfer data between applications on different hosts.
Common mistakes.
- A. OpFlex is a Cisco-developed policy protocol for Software-Defined Networking, not a general API style using HTTP for data transfer.
- C. OpenStack is a collection of open-source tools for cloud computing, and while its services expose RESTful APIs, OpenStack itself is not the API style that uses HTTP messages.
- D. OpenFlow is a protocol used in Software-Defined Networking to communicate between the control and data planes, instructing network devices, and it does not use HTTP messages for general application data transfer.
Concept tested. REST API principles
Reference. https://learn.microsoft.com/en-us/azure/architecture/best-practices/api-design
Topics
#REST API#Network APIs#HTTP communication
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