Card 2 / 24: Which of the following applications are appropriate to communicate asynchronously?
A)
Courses registration in a university, where courses availability must be checked by another application before registering the course
B)
Email services (sending and receiving emails)
C)
A client sends a document (such as an XML document) to a travel agency service requesting arrangements for a particular trip
Answer:
B) Email services (sending and receiving emails)
C) A client sends a document (such as an XML document) to a travel agency service requesting arrangements for a particular trip
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A travel agency service is an example of a document-oriented Web service that better uses asynchronous communication. The service consumes time to process the document before it can get to a decision, therefore better not makes the client wait using synchronous communication.
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JavaChamp TeamSenior Java Developer
QuizOver.com
Germany
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