————— pattern defines a runtime component that mediates the communication between a number of clients and servers.

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?
• Facade pattern promotes weak coupling between subsystem and its clients.
• It is also known as Wrapper, it is used when subclassing is not possible or practical to add functionality and it is used to add functionality at runtime. This pattern is
• —————- pattern facilitates accessing shared resources and services for large numbers of distributed distributed clients.
• _______  is a physical element that exists at runtime and represents a  computational resource. 
• ________ is a physical element that exists at runtime and represents a computational resource.
• How is Multiple Client/Multiple Service architectural pattern different from a Multiple Client/Single Service architectural pattern?
• Which design pattern defines one-to-many dependency among objects?
• Define a family of algorithms, encapsulate each one, and make them interchangeable. It lets the algorithm vary independently from clients that use it.
• Encapsulate a request as an object, there by letting you parametrize clients with different requests, queue or log requests, and support undoable operation.