Card 3 / 24: What is TRUE about synchronous and asynchronous communications?
A)
In an asynchronous communication, the requester of a service must wait for a response from the service
B)
In synchronous communication, the requester of a service must wait for a response from the service
C)
In synchronous communication, both parties must be active
D)
Synchronous communication overcomes asynchronous communication in terms of performance
Answer:
B) In synchronous communication, the requester of a service must wait for a response from the service
C) In synchronous communication, both parties must be active
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Asynchronous communication deals better with increase number of requests and traffic than synchronous communication, because of no waiting for response feature. Moreover, messages in asynchronous communication are not lost rather delayed in case of intensive traffic.
Whereas the the requester in synchronous communication must wait for a response from the service, the requester is blocked till an acknowledgment is received. In synchronous communication, both parties must be active, otherwise the transaction won't be completed.
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JavaChamp TeamSenior Java Developer
QuizOver.com
Germany
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