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Oracle 1Z0-858 Exam Syllabus Topics:

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

1. Given this fragment from a Java EE deployment descriptor:
341.
<error-page>
342.
<exception-type>java.lang.Throwable</exception-type>
343.
<location>/mainError.jsp</location>
344.
</error-page>
345.
<error-page>
346.
<exception-type>java.lang.ClassCastException</exception-type>
347.
<location>/castError.jsp</location>
348.
</error-page>
If the web application associated with the fragment above throws a ClassCastException.
Which statement is true?

A) The deployment descriptor is invalid.
B) The container invokes castError.jsp.
C) The container invokes mainError.jsp.
D) Neither mainError.jsp nor castError.jsp is invoked.

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

3. Which two are true about authentication? (Choose two.)

A) Form-based logins should NOT be used with HTTPS.
B) When using Basic Authentication the target server is NOT authenticated.
C) J2EE compliant web containers are NOT required to support the HTTPS protocol.
D) Web containers are required to support unauthenticated access to unprotected web resources.
E) Form-based logins should NOT be used when sessions are maintained by cookies or SSL session information.

4. Your company has a corporate policy that prohibits storing a customer's credit card number in any corporate database. However, users have complained that they do NOT want to reenter their credit card number for each transaction. Your management has decided to use client-side cookies to record the user's credit card number for 120 days. Furthermore, they also want to protect this information during transit from the web browser to the web container; so the cookie must only be transmitted over HTTPS. Which code snippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user's web browser?

A) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setMaxAge(10368000);
13.
response.addCookie(c);
B) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setAge(10368000);
13.
response.addCookie(c);
C) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.addCookie(c);
D) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setHttps(true);
12.
c.setMaxAge(10368000);
13.
response.setCookie(c);
E) 10. Cookie c = new Cookie("creditCard", usersCard);
11.
c.setSecure(true);
12.
c.setAge(10368000);
13.
response.setCookie(c);

5. Which EL expression evaluates to the request URI?

A) ${request.getURI}
B) ${requestURI}
C) ${requestScope.requestURI}
D) ${pageContext.request.requestURI}
E) ${request.URI}
F) ${request.requestURI}
G) ${requestScope.request.requestURI}

Solutions: