____________ object which receives request from UI layer object and then controls/coordinates with other object.

Related MCQs

• In a client-server model where ‘n clients’ are sending request or receiving data from ‘m servers’. There are ‘x intermediate servers’ present which re-route the request (coming from Clients) to appropriate server based on the type of request. The intermediate server also returns the response to the client user-interface. What is the role of the intermediate server here?
• Which design pattern suggests multiple classes through which request is passed and multiple but only relevant classes carry out operations on the request?
• Which design pattern suggest multiple classes through which request is passed and multiple but only relevant classes carry out operations on the request?
• In a sequence diagram, the _____ indicates when an object sends or receives a message
• in a sequence diagram, the _____ indicates when an object sends or receives a message.
• Which Design Pattern should you use when more than one object may handle a request, and the handler isn't known a priori. The handler should be ascertained automatically.
• Encapsulate a request as an object, there by letting you parametrize clients with different requests, queue or log requests, and support undoable operation.
• Which of the following patterns allows multiple objects an opportunity to process a request without guaranteeing that any of them must process it?
• Which UML diagram shows the objects participating in the interaction by their links to each other and the messages that they send to each other
• What object should have the responsibility, when you do not want to violate High Cohesion and Low Coupling, or other goals, but solutions offered by Expert are not appropriate?