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Braindumps of 000-484
Enterprise Connectivity with J2EE V1.3

 

Exam Questions, Answers, Braindumps (000-484)

Here r some dumps.Original r also available on www.exams.ws

 

QUESTION 1:
Which of the following statements are TRUE regarding performance and scalability for the J2EE architecture?
A. Using session beans can improve an application's performance, since they typically require less distributed messaging than entity beans.
B. Disabling passivation and activation will improve an application's performance, since time will not be spent moving objects in and out of memory.
C. In general, more restrictive transaction isolation levels slow down an application's execution.
D. In general, servlets perform poorly compared to CGI programs when servicing multiple clients.
Answer: AC


QUESTION 2:
When chaining servlet Filters, which of the following methods needs to be invoked so that the next filter in the chain gets exercised?
A. aRequestDispatcher.filter()
B. aResponse.nextFilter()
C. aFilterChain.nextFilter()
D. aFilterChain.doFilter()
Answer: D


QUESTION 3:
An EJB was developed with neither remote home interface nor local home interface. What type of bean MUST it be?
A. stateless session bean
B. stateful session bean
C. BMP entity bean
D. CMP entity bean
E. message-driven bean
Answer: E


QUESTION 4:
A stateful Session bean is deployed using the container-managed transaction demarcation attribute RequiresNew. Which of the following are TRUE regarding exceptions in its business methods?
A. Transaction rollback occurs automatically when an application exception is thrown.
B. Transaction rollback occurs automatically when a system exception is thrown.
C. Transaction rollback restores bean state.
D. If EJBException is thrown by a business method, it must be declared in its throws clause.
E. Application exceptions should normally be passed directly through to the caller.
Answer: BE


QUESTION 5:
A J2EE Web application needs to access an Enterprise Information System (EIS) in order to process Web user requests. Given that the EIS is capable of handling only a limited number of concurrent requests and is not a relational database, what technology would be BEST suited to integrate the J2EE Web application with the target EIS?
A. EJB
B. JDBC
C. JMS
D. JCA
Answer: C


QUESTION 6:
An application accepts input from a user and passes data to a server. The client is using a Web browser, anonymously accessing the server from the Internet through a firewall. What middleware solution BEST fits this scenario?
A. RMI
B. servlets
C. CORBA
D. EJBs
Answer: B


QUESTION 7:
Which of the following statements is FALSE regarding the J2EE architecture?
A. Remote interfaces reduce coupling between EJB clients and application server generated code.
B. Containers manage transactions without involvement of deployment descriptors.
C. EJB and JSP behavior can be customized for a particular project through the use of deployment descriptors.
D. JNDI provides a standardized way for EJBs and servlets to find resources.
Answer: B

000-484


 

 

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