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Oracle 1Z0-858 Exam Syllabus Topics:

Oracle Java Enterprise Edition 5 Web Component Developer Certified Professional Sample Questions:

1. You are building a web application with a scheduling component. On the JSP, you need to show the current date, the date of the previous week, and the date of the next week. To help you present this information, you have created the following EL functions in the 'd' namespace:
name: curDate; signature: java.util.Date currentDate()
name: addWeek; signature: java.util.Date addWeek(java.util.Date, int)
name: dateString; signature: java.util.String getDateString(java.util.Date)
Which EL code snippet will generate the string for the previous week?

A) ${d:dateString(addWeek(curDate(), -1))}
B) ${d:dateString[d:addWeek[d:curDate[], -1]]}
C) ${d:dateString[addWeek[curDate[], -1]]}
D) ${d:dateString(d:addWeek(d:curDate(), -1))}

2. Which defines the welcome files in a web application deployment descriptor?

A) <welcome-file-list>
<welcome-file>welcome.jsp</welcome-file>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
B) <welcome-file-list>
<welcome-file>/welcome.jsp</welcome-file>
<welcome-file>/index.html</welcome-file>
</welcome-file-list>
C) <welcome>
<welcome-file>/welcome.jsp</welcome-file>
</welcome>
<welcome>
<welcome-file>/index.html</welcome-file>
</welcome>
D) <welcome>
<welcome-file>
<welcome-name>Welcome</welcome-name>
<location>welcome.jsp</location>
</welcome-file>
<welcome-file>
<welcome-name>Index</welcome-name>
<location>index.html</location>
</welcome-file>
</welcome>
E) <welcome>
<welcome-file>welcome.jsp</welcome-file>
</welcome>
<welcome>
<welcome-file>index.html</welcome-file>
</welcome>

3. Which three are described in the standard web application deployment descriptor? (Choose three.)

A) ServletContext initialization parameters
B) session configuration
C) web container default port bindings
D) MIME type mappings
E) context root for the application
F) servlet instance pool configuration

4. You are designing an n-tier Java EE application. You have already decided that some of your JSPs will need to get data from a Customer entity bean. You are trying to decide
whether to use a Customer stub object or a Transfer Object. Which two statements are true? (Choose two.)

A) The stub will increase the logic necessary in the JSPs.
B) Using the stub approach allows you to design the application without using a Service Locator.
C) In both cases, the JSPs can use EL expressions to get data.
D) Only the Transfer Object will need to use a Business Delegate.
E) The Transfer Object will decrease data staleness.
F) The stub will increase network traffic.

5. Click the Exhibit button. Given the web application deployment descriptor elements:
11.
<filter>
12.
<filter-name>ParamAdder</filter-name>
13.
<filter-class>com.example.ParamAdder</filter-class>
14.
</filter> ...
31.
<filter-mapping>
32.
<filter-name>ParamAdder</filter-name>
33.
<servlet-name>Destination</servlet-name>
34.
</filter-mapping> ...
55.
<servlet-mapping>
56.
<servlet-name>Destination</servlet-name>
57.
<url-pattern>/dest/Destination</url-pattern>
58.
</servlet-mapping>
What is the result of a client request of the Source servlet with no query string?

A) An exception is thrown at runtime within the service method of the Source servlet.
B) The output "filterAdded = addedByFilter" is written to the response stream.
C) An exception is thrown at runtime within the service method of the Destination servlet.
D) The output "filterAdded = null" is written to the response stream.

Solutions: