Refer to the exhibit. Which two statements about MQTT messaging are true? (Choose two.)

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Refer to the exhibit. Which two statements about MQTT messaging are true? (Choose two.)

Refer To The Ex 1 (186.07 KiB) Viewed 72 times

A. Result code 5 means the connection is accepted; result code 0 means the connection is "refused, not authorized".
B. Redundant ClientIDs are supported by MQTT brokers.
C. MQTT does not support a "keep alive" functionality because it runs on top of TCP.
D. Result code 0 means the connection is accepted; result code 5 means the connection is "refused, not authorized".
E. Brokers can send the Last Will and Testament messages on behalf of the client.