שאלה | Which of the following describes a possible messaging process in the MQTT protocol?

Which of the following describes a possible messaging process in the MQTT protocol?

		Client A sends an information request message DIRECTLY to Customer B, and then Client B transfers the large amount of information to the server to route it to client A
		Client A sends the same message to the server 5 times and the server forwards it once to Client B
		Client A sends a message with quality of service level 0 to server, and the server sends back an ACK message, and routes it to client B
		Answers 1 and 2 are correct