rest - Is Restful independent of the transport protocol? -

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i doing test, , confused on below question

which 2 statements true restful web services?

a. can both stateful , stateless.

b. support use of ajax in web applications.

c. similar simple object access protocol (soap) equivalents.

d. independent of transport protocol.

e. support remote procedure call (rpc) , message-oriented middleware (mom) integration styles.

there test answers b & c , other answers b & d. correct answers?

the option c. has typo: 'similar' shall 'simpler'.

correct answer b , c.

a. wrong. rest stateless. restful web service can made stateful, sending , forth session-id, same goes soap web service. however, rest concept use http infrastructure , super scalable. once there state maintained, scalability suffers 1 can not reuse same url serve (other client’s) request

d. wrong soap web service can support many transport protocols not rest.

e. wrong. feature soap web services.


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