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Q. |
Which protocol interacts asynchronously over UDP? |
A. | hmtp |
B. | coap |
C. | mqtt |
D. | tcp/ip |
Answer» B. coap | |
Explanation: coap is an application layer protocol (ietf draft) for resource constrained devices. it is asynchronous message interactions over udp, request/response semantics coap resources are identified by uniform resource identifiers. |
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