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

Question

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

Quizplus · Accepted Answer

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

Refer to the Exhibit