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300-915 · Question #37
300-915 Question #37: Real Exam Question with Answer & Explanation
The correct answer is D: Result code 0 means the connection is accepted; result code 5 means the connection is "refused,. See the full explanation below for the reasoning.
Modern Protocols
Question
Refer to the exhibit. Which two statements about MQTT messaging are true? (Choose two.)
Options
- AResult code 5 means the connection is accepted; result code 0 means the connection is "refused,
- BRedundant ClientIDs are supported by MQTT brokers.
- CMQTT does not support a "keep alive" functionality because it runs on top of TCP.
- DResult code 0 means the connection is accepted; result code 5 means the connection is "refused,
- EBrokers can send the Last Will and Testament messages on behalf of the client.
Topics
#MQTT#Protocol Features#Connection Management#Last Will and Testament
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