SUN 310-083 : Sun Certified Web Component Developer for J2EE 5

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SUN 310-083 Exam Syllabus Topics:

SUN Sun Certified Web Component Developer for J2EE 5 Sample Questions:

1. Which path is required to be present within a WAR file?

A) /MANIFEST-INF
B) /META-INF/index.xml
C) /index.html
D) /WEB-INF/index.html
E) /WEB-INF/classes
F) /WEB-INF/web.xml
G) /classes

2. Given that a scoped attribute cart exists only in a user's session, which two, taken independently, ensure the scoped attribute cart no longer exists? (Choose two.)

A) <c:remove var="${cart}" />
B) <c:remove var="${cart}" scope="session" />
C) <c:remove var="cart" />
D) ${cart = null}
E) <c:remove var="cart" scope="session" />
F) <c:remove scope="session">${cart}</c:remove>
G) <c:remove scope="session">cart</c:remove>

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

4. Which mechanism requires the client to provide its public key certificate?

A) HTTP Digest Authentication
B) HTTP Basic Authentication
C) HTTPS Client Authentication
D) Form Based Authentication

5. Given this fragment in a servlet:
2 3. if(req.isUserInRole("Admin")) {
2 4. // do stuff
2 5. }
And the following fragment from the related Java EE deployment descriptor:
8 12. <security-role-ref>
8 13. <role-name>Admin</role-name>
8 14. <role-link>Administrator</role-link>
8 15. </security-role-ref>
9 00. <security-role>
9 01. <role-name>Admin</role-name>
9 02. <role-name>Administrator</role-name>
9 03. </security-role>
What is the result?

A) If line 24 executes the user's role will NOT be predictable.
B) If line 24 executes, the user's role will be Administrator.
C) The deployment descriptor is NOT valid.
D) Line 24 can never be reached.
E) If line 24 executes, the user's role will be Admin.

Solutions: