Session Façade
Business Delegate
Data Access Object
Model-View-Controller
Chain of Responsibility
第1题:
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 Squeaky business 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 new system. Which pattern can the developer use to solve this problem?()
第2题:
A developer is designing a multi-tier web application and discovers a need to log each incoming client request. Which two patterns, taken independently, provide a solution for this problem? ()
第3题:
Which statement is true about web container session management?()
第4题:
A developer is designing a web application that must support multiple interfaces, including: • an XML web service for B2B • HTML for web-based clients • WML for wireless customers Which design pattern provides a solution for this problem?( )
第5题:
A developer is designing a web application that makes many fine-grained remote data requests for eachclient request. During testing, the developer discovers that the volume of remote requests significantlydegrades performance of the application. Which design pattern provides a solution for this problem?()
第6题:
A developer is designing a web application which extensively uses EJBs and JMS. The developer finds that there is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further, because of the complexity, there are numerous errors in the code. Which J2EE design pattern provides a solution for this problem?()
第7题:
A developer is designing a web application that makes many fine-grained remote data requests for each client request. During testing, the developer discovers that the volume of remote requests significantly degrades performance of the application. Which design pattern provides a solution for this problem?()
第8题:
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?()
第9题:
A developer is designing the presentation tier for a web application which requires a centralized requesthandling to complete common processing required by each request. Which design pattern provides asolution to this problem?()
第10题:
Transfer Object
Service Locator
Front Controller
Intercepting Filter
Business Delegate