When to use java enterprise business tier session facade pattern?

Question 8 / 20: Your application's performance is affected due to the significant number of remote calls to your business logic. The business logic is exposed as fine grained methods to the clients.

Which refactoring can be done to improve the application's performance?

Choose 2

Add a Front Controller to centralize requests processing

Implement a Session Facade, which provides a coarse grained service-oriented interface

to clients

Move the frequently called business logic to the presentation tier

Encapsulate multiple business data attributes into smaller set of

serializable transfer objects, to reduce remote invocations

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