Online Access Free 1Z1-899 Practice Test

You are working on a JSP that is intended to inform users about critical errors in the system. The JSP code is attempting to access the exception that represents the cause of the problem, but your IDE is telling you that the variable does not exist. What should you do to address this problem?

• A.Add a <jsp:useBean tag to declare the and access the exception
• B.Add a page directive stating that this page is an error handler
• C.Perform the error handling in a servlet rather than in the JSP
• D.Edit the page that caused the error to ensure that it specifies this page as its error handler
• E.Add scriptlet code to create a variable that refers to the exception

Given:
1. <% int[] nums = {42,420,4200};
2. request.setAttribute("foo", nums); %>
3. ${5 + 3 It 6}
4. S(requestScope['foo'][0] ne 10 div0>
5. ${10 div 0}
What is the result?

• A.An exception is thrown
• B.true true
• C.false true 0
• D.Compilation or translation fails
• E.false true
• F.true true Infinity
• G.false true Infinity

You are implementing a model component. You realize that an IOException might arise if you lose connection to the database. How should you address this?

• A.Implement multipathing to provide redundant connectivity to the database, thereby avoiding that risk of connection failure.
• B.Surround the problem area with a try/catch block and implement appropriate recovery or fallback behavior.
• C.Provide an error handler page, and use the page directive in the invoking ISP to redirect to that page if the error arises.
• D.Use the JSTL <c:catch> tag to take control if the exception arises.

Which statement is true about web container session management?

• A.If the web application uses HTTPS, then the web container may use the data on the HTTPS request stream to identify the client.
• B.To activate URL rewriting, the developer must use the HttpServletResponse.setURLRewriting method.
• C.The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.
• D.Access to session-scoped attributes is guaranteed to be thread-safe by the web container.

Which of following annotations can be used in a servlet class?
(i) @javax.annotation.Resource
(ii) @javax.annotation.PreDestroy
(iii) @javax.annotation.security.RunAs
(iv) @javax.annotation.security.RolesAllowed
(v) @javax.servlet.annotation.WebServlet

• A.(v) only
• B.(i), (ii), (iii) and (v)
• C.(i), (ii), (iv) and (v)
• D.(i), (ii), (iii), (iv) and (v)
• E.(i) and (v)