Which of the following technologies are fundamental to REST service design? SELECT ALL THAT APPLY

Question

Options

• AHTTP
• BWSDL
• CMEP
• DRPC

• A
  95% (54)
• B
  2% (1)
• D
  4% (2)

Explanation

HTTP (A) is the only correct answer because REST (Representational State Transfer) is an architectural style explicitly built on top of HTTP - it uses HTTP verbs (GET, POST, PUT, DELETE), status codes, and URIs as its core mechanism for interacting with resources.

WSDL (B) belongs to the SOAP/WS-* ecosystem, not REST. It's an XML-based contract language that describes SOAP service interfaces - REST services don't use or require WSDL.

MEP (C) (Message Exchange Pattern) is a concept from SOAP and WS-Addressing that defines request-response or one-way messaging contracts. REST has no formal MEP concept - interactions are driven by HTTP method semantics instead.

RPC (D) (Remote Procedure Call) is an entirely different architectural style that focuses on invoking remote functions, whereas REST is resource-oriented. They are contrasting approaches, not complementary ones.

Memory tip: Think "REST lives on the web" - and the web is HTTP. If a technology sounds like it belongs to SOAP's heavyweight enterprise stack (WSDL, MEP, WS-*), it's a distractor for REST questions.

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