A.It reduces network traffic by collapsing multiple remote requests into one.
B.It increases the complexity of the remote interface by removing coarse-grained methods.
C.It increases the complexity of the design due to remote synchronization and version control issues.
D.It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.
您可能感興趣的試卷
你可能感興趣的試題
The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. Whilereviewing the application， a developer realizes that in multiple places within the current application， nearlyduplicate code exists that finds enterprise beans.
Which pattern should be used to eliminate this duplicatecode？（）
A.Transfer Object
B.Front Controller
C.Service Locator
D.Intercepting Filter
E.Business Delegate
F.Model-View-Controller
A developer is designing a web application that must verify for each request： The originating request is froma trusted network.
The client has a valid session.The client has been authenticated.
Which design pattern provides a solution in this situation？（）
A.Transfer Object
B.Session Facade
C.Intercepting Filter
D.Template Method
E.Model-View-Controller
Squeaky Beans Inc. hired an outside consultant to develop their web application. To finish the job quickly，the consultant created several dozen JSP pages that directly communicate with the database. The Squeakybusiness team has since purchased a set of business objects to model their system， and the Squeaky developer charged with maintaining the web application must now refactor all the JSPs to work with the newsystem.
Which pattern can the developer use to solve this problem？（）
A.Transfer Object
B.Service Locator
C.Intercepting Filter
D.Business Delegate
Click the Exhibit button.
The Appliance class is a Singleton that loads a set of properties into a Map from an external data source.Assume：
An instance of the Appliance class exists in the application-scoped attribute， appl The appliance object includes the name property that maps to the value Cobia The request- scoped attribute， prop，has the valuename.
Which two EL code snippets will display the string Cobia？（）
A.${appl.properties.name}
B.${appl.properties.prop}
C.${appl.properties[prop]}
D.${appl.properties[name]}
E.${appl.getProperties（）.get（prop）}
F.${appl.getProperties（）.get（’name’）}
A.${func（1）}
B.${foo：func（4）}
C.${func：foo（2）}
D.${foo（5）：func}
E.${func：foo（"easy"）}
F.${func：foo（"3"）.name}
最新試題
In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）
Click the ’Select and Place’ button.Place the events in the order they occur.
Which two are valid and equivalent？（）
A web application allows the HTML title banner to be set using a servlet context initialization parametercalled titleStr.Which two properly set the title in this scenario？（）
Click the 'Select and Place' button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.
Click the ’Select and Place’ button.Place the events in the order they occur.