AliOS Things works well with aliyun IoT suite via the___ protocol. A: HTTP B: XMPP C: COAP D: MQTT
AliOS Things works well with aliyun IoT suite via the___ protocol. A: HTTP B: XMPP C: COAP D: MQTT
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AliOS Things works well with aliyun IoT suite via the___ protocol. A: HTTP B: XMPP C: COAP D: MQTT