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. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the re

题目

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. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the result？（）

  • 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.
相似考题

1.关于GetPodAction定义,下面赋值正确的是()type Fragment interface {Exec(transInfo *TransInfo) error}type GetPodAction struct {}func (g GetPodAction) Exec(transInfo *TransInfo) error {...return nil}A. var fragment Fragment = new(GetPodAction)B. var fragment Fragment = GetPodActionC. var fragment Fragment = &GetPodAction{}D. var fragment Fragment = GetPodAction{}

2. Given the element from the web application deployment descriptor： /main/page1.jsp true and given that /main/page1.jsp contains： <% int i = 12； %> <%= i %>  What is the result？（）A、<b></b>B、<b>12</b>C、The JSP fails to execute.D、<% int i = 12 %><b><%= i %></b>

3. A class games.cards.Poker is correctly defined in the jar file Poker.jar.  A user wants to execute the main method of Poker on a UNIX system using the command：  java games.cards.Poker  What allows the user to do this？（） A、 put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/javaB、 put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/*.jarC、 Put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/Poker.jarD、 put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuff/javaE、 put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuffijava/*.jarF、 put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuff/java/Poker.jar

4.下面哪个方法不是HttpServlet类：（）A、protected void doGet（HttpServletRequest reg，HttpServletResponse res） throws Servlet Exception ，java.io.IOExceptionB、protected void doPost（HttpServletRequest reg，HttpServletResponse res） throws Servlet Exception，java.io.IOExceptionC、protected void doHead（HttpServletRequest reg，HttpServletResponse res） throws Servlet Exception，java.io.IOExceptionD、protected void doReceive（HttpServletRequest reg，HttpServletResponse res） throws ServletException，java.io.IOException

参考答案和解析
正确答案:D
更多“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. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the res”相关问题

  • 第1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2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3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 ClassCastException.Which statement is true？（）

    • 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4题：

    Given this fragment from a Java EE deployment descriptor： 124. beta.html 125. alpha.html And this request from a browser：http：//www.sun.com/SCWCDtestApp/register Which statement is correct，when the container receives this request？（）

    • 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：

    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

  • 第6题：

    Which element of the web application deployment descriptor defines the servlet class associated with aservlet instance？（）

    • A、<class><br/>
    • B、<webapp><br/>
    • C、<servlet><br/>
    • D、<codebase><br/>
    • E、<servlet-class>

    正确答案:E

  • 第7题：

    A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command：java games.cards. Poker What allows the user to do this？（）

    • A、put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java
    • B、put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/*.jar
    • C、put Poker.jar in directory /stuff/java， and set the CLASSPATH to include /stuff/java/Poker.jar
    • D、put Poker.jar in directory /stuff/java/games/cards， and set the CLASSPATH to include /stuff/java

    正确答案:C

  • 第8题：

    单选题
    Given the web application deployment descriptor elements： 11. 12.ParamAdder 13.com.example.ParamAdder 14.... 24. 25.ParamAdder 26.MyServlet 27. 28. Which element， inserted at line 27，causes the ParamAdder filter to be applied when MyServlet is invokedby another servlet using the RequestDispatcher.include method？（）
    A

    <include/>

    B

    <dispatcher>INCLUDE</dispatcher>

    C

    <dispatcher>include</dispatcher>

    D

    <filter-condition>INCLUDE</filter-condition>

    E

    <filter-condition>include</filter-condition>


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    You deployed a Java EE Shared Library and want to use it from an application that is also deployed on the same cluster.    Which two manifest attributes must be specified at a minimum with corresponding values in the deployment descriptor of the application that requires?（）
    A

    Implementation-Version

    B

    Specification-Version

    C

    Extension-Name

    D

    Specification-Vendor

    E

    Implementation-Vendor


    正确答案： C,E
    解析： 暂无解析

  • 第10题：

    单选题
    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
    解析： 暂无解析

  • 第11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 ClassCastException.Which statement is true？（）
    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
    解析： 暂无解析

  • 第12题：

    单选题
    Given this fragment from a Java EE deployment descriptor： 124. beta.html 125. alpha.html And this request from a browser：http：//www.sun.com/SCWCDtestApp/register Which statement is correct，when the container receives this request？（）
    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
    解析： 暂无解析

  • 第13题：

    Which two statements are true about the security-related tags in a valid Java EE deployment descriptor？（）

    • A、Every  tag must have at least one  tag.
    • B、A  tag can have many  tags.
    • C、A given  tag can apply to only one  tag.
    • D、A given  tag can contain from zero to many  tags.
    • E、It is possible to construct a valid  tag such that，for a given resource，no user rolescan access that resource.

    正确答案:B,E

  • 第14题：

    A class games.cards.Poker is correctly defined in the jar file Poker.jar. A user wants to execute the main method of Poker on a UNIX system using the command： java games.cards.Poker What allows the user to do this？（）

    • A、put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java
    • B、put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java/*.jar
    • C、Put Poker.jar in directory /stuff/java，and set the CLASSPATH to include /stuff/java/Poker.jar
    • D、put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java
    • E、put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java/*.jar
    • F、put Poker.jar in directory /stuff/java/games/cards，and set the CLASSPATH to include /stuff/java/Poker.jar

    正确答案:C

  • 第15题：

    Which three are valid URL mappings to a servlet in a web deployment descriptor？（）

    • A、*/*
    • B、*.do
    • C、MyServlet
    • D、/MyServlet
    • E、/MyServlet/*
    • F、MyServlet/*.jsp

    正确答案:B,D,E

  • 第16题：

    Which code fragments will succeed in printing the last argument given on the command line to the standard output， and exit gracefully with no output if no arguments are given？（）   CODE FRAGMENT a：   public static void main（String args[]） {   if （args.length != 0）   System.out.println（args[args.length-1]）；   }   CODE FRAGMENT b：   public static void main（String args[]） {   try { System.out.println（args[args.length]）； }   catch （ArrayIndexOutOfBoundsException e） {}   }   CODE FRAGMENT c：   public static void main（String args[]） {   int ix = args.length；   String last = args[ix]；   if （ix != 0） System.out.println（last）；   }   CODE FRAGMENT d：   public static void main（String args[]） {   int ix = args.length-1；   if （ix > 0） System.out.println（args[ix]）；   }   CODE FRAGMENT e：   public static void main（String args[]） {   try { System.out.println（args[args.length-1]）；  }catch （NullPointerException e） {}   }  

    • A、Code fragment a.
    • B、Code fragment b.
    • C、Code fragment c.
    • D、Code fragment d.
    • E、Code fragment e.

    正确答案:A

  • 第17题：

    Which code fragments will succeed in initializing a two-dimensional array named tab with a size that will cause the expression tab[3][2] to access a valid element？（）   CODE FRAGMENT a：  int[][] tab = {  { 0， 0， 0 }，  { 0， 0， 0 }  }；   CODE FRAGMENT b：  int tab[][] = new int[4][]；  for （int i=0； i   CODE FRAGMENT c：  int tab[][] = {  0， 0， 0， 0，  0， 0， 0， 0，  0， 0， 0， 0，  0， 0， 0， 0  }；   CODE FRAGMENT d：  int tab[3][2]；   CODE FRAGMENT e：  int[] tab[] = { {0， 0， 0}， {0， 0， 0}， {0， 0， 0}， {0， 0， 0} }；  

    • A、Code fragment a.
    • B、Code fragment b.
    • C、Code fragment c.
    • D、Code fragment d.
    • E、Code fragment e.

    正确答案:B,E

  • 第18题：

    You deployed a Java EE Shared Library and want to use it from an application that is also deployed on the same cluster.    Which two manifest attributes must be specified at a minimum with corresponding values in the deployment descriptor of the application that requires?（）

    • A、Implementation-Version
    • B、Specification-Version
    • C、Extension-Name  
    • D、Specification-Vendor
    • E、Implementation-Vendor

    正确答案:A,C

  • 第19题：

    单选题
    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. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the result？（）
    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
    解析： 暂无解析

  • 第20题：

    单选题
    Given the element from the web application deployment descriptor： /main/page1.jsp true and given that /main/page1.jsp contains：   What is the result？（）
    A

    <b></b>

    B

    <b>12</b>

    C

    The JSP fails to execute.

    D

    <% int i = 12 %><b><%= i %></b>


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    Which code fragments will succeed in printing the last argument given on the command line to the standard output， and exit gracefully with no output if no arguments are given？（）   CODE FRAGMENT a：   public static void main（String args[]） {   if （args.length != 0）   System.out.println（args[args.length-1]）；   }   CODE FRAGMENT b：   public static void main（String args[]） {   try { System.out.println（args[args.length]）； }   catch （ArrayIndexOutOfBoundsException e） {}   }   CODE FRAGMENT c：   public static void main（String args[]） {   int ix = args.length；   String last = args[ix]；   if （ix != 0） System.out.println（last）；   }   CODE FRAGMENT d：   public static void main（String args[]） {   int ix = args.length-1；   if （ix > 0） System.out.println（args[ix]）；   }   CODE FRAGMENT e：   public static void main（String args[]） {   try { System.out.println（args[args.length-1]）；  }catch （NullPointerException e） {}   }
    A

    Code fragment a.

    B

    Code fragment b.

    C

    Code fragment c.

    D

    Code fragment d.

    E

    Code fragment e.


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    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. 813.Admin 814.Administrator 815. 900. 901.Admin 902.Administrator 903. What is the result？（）
    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
    解析： 暂无解析

  • 第23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 ClassCastException.Which statement is true？（）
    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： B
    解析： 暂无解析

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