Which statement best describes REST's approach to client and server interactions?

Which statement best describes REST's approach to client and server interactions?

• A. It promotes decoupled client and server responsibilities
• B. It requires server-side sessions to track state
• C. It mandates binary-only data transfers
• D. It forbids caching of responses

Answer: (A)

REST promotes a separation between client and server responsibilities. This decoupling means the client and server can evolve independently, communicating through a uniform interface while the server handles resources, not the client’s internal state. Each request from the client contains all the information needed for processing, and the server does not keep session state between requests. That stateless, decoupled nature is what makes REST scalable and flexible. This is why other statements don’t fit: REST does not require server-side sessions; it supports multiple data formats beyond binary (such as JSON or XML), and it allows caching when appropriate with proper headers rather than forbidding it.

REST promotes a separation between client and server responsibilities. This decoupling means the client and server can evolve independently, communicating through a uniform interface while the server handles resources, not the client’s internal state. Each request from the client contains all the information needed for processing, and the server does not keep session state between requests. That stateless, decoupled nature is what makes REST scalable and flexible.

This is why other statements don’t fit: REST does not require server-side sessions; it supports multiple data formats beyond binary (such as JSON or XML), and it allows caching when appropriate with proper headers rather than forbidding it.