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Cisco Certified DevNet Associate (DEVASC) · Cisco
Select one answer.
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stateless correct answer - Stateless - no client context or state is stored on the server between requests, and each client request must contain all of the information needed for the server to service the request.
That is the definition of stateless
B is correct: RESTful constraints are described as follows: - Client/server - clients and servers are fully separated and communicate only via the RESTful interface. - Stateless - no client context or state is stored on the server between requests, and each client request must contain all of the information needed for the server to service the request. - Cacheable - clients can cache responses, and servers must define the cacheability of the response. - Layered - a client should not be able to tell whether it is connected to a server or to an intermediate that provides functionality such as security, caching, or load-balancing. - Code on Demand (Optional) - servers can at times extend the capabilities of a client through the transfer of executable code or scripts. - Uniform Interface - both client and server must adhere to a uniform interface that allows for the independent development of functionality. - Resource Identification - individual resources are identified using URIs in requests. Representations of resources are distinct from the actual resources and may be provided in formats such as HTML, XML, or JSON.