CMS专题
单选题Given this fragment from a Java EE deployment descriptor： 341. 342.java.lang.Throwable 343./mainError.jsp 344. 345. 346.java.lang.ClassCastException 347./castError.jsp 348. If the web application associated with the fragment above throws a ClassCastE
题目
The deployment descriptor is invalid.
The container invokes mainError.jsp.
The container invokes castError.jsp.
Neither mainError.jsp nor castError.jsp is invoked.
参考答案和解析
相似问题和答案
第1题：
Given this fragment in a servlet： 23.if（req.isUserInRole（"Admin"）） { 24.// do stuff 25.} And the following fragment from the related Java EE deployment descriptor： 812.
- A、Line 24 can never be reached.
- B、The deployment descriptor is NOT valid.
- C、If line 24 executes， the user’s role will be Admin.
- D、If line 24 executes， the user’s role will be Administrator.
- E、If line 24 executes the user’s role will NOT be predictable.
正确答案:D
第2题：
What is the name of the WebLogic specific deployment descriptor of Java Enterprise Application?（）
- A、application.xml
- B、weblogic.xml
- C、web.xml
- D、weblogic-application.xml
- E、config.xml
正确答案:B
第3题：
Given:And MainClass exists in the /apps/com/company/application directory. Assume the CLASSPATHenvironment variable is set to "." (current directory). Which two java commands entered at the command line will run MainClass?（）
A.java MainClass if run from the /apps directory
B.java com.company.application.MainClass if run from the /apps directory
C.java -classpath /apps com.company.application.MainClass if run from any directory
D.java -classpath . MainClass if run from the /apps/com/company/application directory
E.java -classpath /apps/com/company/application:. MainClass if run from the /apps directory
F.java com.company.application.MainClass if run from the /apps/com/company/application directory
第4题：
Given this fragment from a Java EE deployment descriptor： 124.
- A、This deployment descriptor is NOT valid.
- B、The container first looks in the register directory for beta.html.
- C、The container first looks in the register directory for alpha.html.
- D、The container first looks for a servlet mapping in the deployment descriptor.
正确答案:D
第5题：
Given： String value = getServletContext（）.getInitParameter（"foo"）； in an HttpServlet and a web applicationdeployment descriptor that contains：
- A、The foo initialization parameter CANNOT be set programmatically.
- B、Compilation fails because getInitParameter returns type Object.
- C、The foo initialization parameter is NOT a servlet initialization parameter.
- D、Compilation fails because ServletContext does NOT have a getInitParameter method.
- E、The foo parameter must be defined within the
element of the deployment descriptor.
正确答案:A,C
第6题：
Given the element from the web application deployment descriptor：
- A、<b></b>
- B、<b>12</b>
- C、The JSP fails to execute.
- D、<% int i = 12 %><b><%= i %></b>
正确答案:C
第7题：
If you want to use the Java EE platform’s built-in type of authentication that uses a custom HTML page for authentication. Which two statements are true？（）
- A、Your deployment descriptor will need to contain this tag： CUSTOM.
- B、The related custom HTML login page must be named loginPage.html.
- C、When you use this type of authentication， SSL is turned on automatically.
- D、You must have a tag in your deployment descriptor that allows you to point to both a login HTML pageand an HTML page for handling any login errors.
- E、In the HTML related to authentication for this application， you must use predefined variable names fort he variables that store the user and password values.
正确答案:D,E
第8题：
Which two pieces of information are needed when declaring the web resource collection in the deployment descriptor？（）
- A、 the URL pattern that requires authorization
- B、 the HTTP methods that require authorization
- C、 the users allowed access to the web resource
- D、 the J2EE roles allowed access to the web resource
- E、 the authentication mechanism required by the web resource
正确答案:A,B
第9题：
Given this fragment from a Java EE deployment descriptor： 341.
- A、The deployment descriptor is invalid.
- B、The container invokes mainError.jsp.
- C、The container invokes castError.jsp.
- D、Neither mainError.jsp nor castError.jsp is invoked.
正确答案:C
第10题：
Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（）
- A、It can be invoked only from the doGet or doPost methods.
- B、It can be used independently of the getRemoteUser method.
- C、Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.
- D、Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.
正确答案:B,C