多选题Which two about WAR files are true？（）AWAR files must be located in the web application library directory.BWAR files must contain the web application deployment descriptor.CWAR files must be created by using archive tools designed specifically for that 

第1题：

Which the three are true about servlet filters？（）

• A、 A filter must implement the destroy method
• B、 A filter must implement the doFilter method
• C、 A servlet may have multiple filters associated with it
• D、 A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain  interface
• E、 A filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward method
• F、 For each  element in the web application deployment descriptor， multiple instances of a filter may be created by the web container

第2题：

A web application contains a tag file called beta.tag in /WEB-INF/tags/alpha. A JSP page called sort.jspexists in the web application and contains only this JSP code： 1.<%@ taglib prefix="x" 2.tagdir="/WEB-INF/tags/alpha" %> 3. The sort.jsp page is requested. Which two are true？（）

• A、Tag files can only be accessed using a tagdir attribute.
• B、The sort.jsp page translates successfully and invokes the tag defined by beta.tag.
• C、The sort.jsp page produces a translation error because a taglib directive must always have a uriattribute.
• D、Tag files can only be placed in /WEB-INF/tags， and NOT in any subdirectories of /WEB- INF/tags.
• E、The tagdir attribute in line 2 can be replaced by a uri attribute if a TLD referring to beta.tag is createdand added to the web application.

第3题：

Which two are true regarding a web application class loader？（）

• A、A web application may override the web container’s implementation classes.
• B、A web application running in a J2EE product may override classes in the javax.* namespace.
• C、A web application class loader may NOT override any classes in the java.* and javax.* namespaces.
• D、Resources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource.

第4题：

Which the two about WAR files are true？（）

• A、 WAR files must be located in the web application library directory.
• B、 WAR files must contain the web application deployment descriptor.
• C、 WAR files must be created by using archive tools to designed specifically for that purpose. 
• D、 The web container must serve the content of any META-INF directory located in a WAR file.
• E、 The web container must allow access to resources in JARs in the web application library directory

第5题：

Which two statements are correct about database transportation? （）

• A、The source and target platforms must be the same
• B、Redo logs, control files and temp files are also transported
• C、The transported database must have the same database identifier (DBID) as the source database and cannot be changed
• D、The COMPATIBLE parameter must be set to 10.0.0.0 or higher and the database must be opened in readonly mode before being transported
• E、Recovery Manager (RMAN) is used to convert the necessary data files of the database if the target platform is different and has different endian format

第6题：

You are creating a Web application that will run on an intranet. The Web application reads comma-delimited text files. The text files reside in a subdirectory below the Web application's root directory. Users must not be able to navigate directly to these files in a Web browser unless they are members of the Accounting role. You need to write an ASP.NET HTTP handler that will use the FileAuthorizationModule class. Which form of authentication should you use?（）

• A、 Anonymous
• B、 Certificate
• C、 Forms
• D、Microsoft Windows Integrated Security

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第13题：

You are developing several tag libraries that will be sold for development of third-party web applications.You are about to publish the first three libraries as JAR files： container-tags.jar，advanced-html-form-tags.jar， and basic-html-form-tags.jar. Which two techniques are appropriate for packaging the TLD files forthese tag libraries？（）

• A、The TLD must be located within the WEB-INF directory of the JAR file.
• B、The TLD must be located within the META-INF directory of the JAR file.
• C、The TLD must be located within the META-INF/tld/ directory of the JAR file.
• D、The TLD must be located within a subdirectory of WEB-INF directory of the JAR file.
• E、The TLD must be located within a subdirectory of META-INF directory of the JAR file.

第14题：

You want to create a valid directory structure for your Java EE web application， and your application usestag files and a JAR file. Which three must be located directly in your WEB-INF directory（NOT in asubdirectory of WEB-INF）？（）

• A、The JAR file
• B、A directory called lib
• C、A directory called tags
• D、A directory called TLDs
• E、A directory called classes
• F、A directory called META-INF

第15题：

Your web application requires the ability to load and remove web files dynamically to the web container’s filesystem. Which two HTTP methods are used to perform these actions？（）

• A、PUT
• B、POST
• C、SEND
• D、DELETE
• E、REMOVE

第16题：

If you create your database using Oracle Managed Files （OMF）， what is true？（）

• A、You must use Oracle predefined names to identify raw partitions that will hold OMF structures. 
• B、You must define directories for two online redo log groups and three copies of the control file. 
• C、If your CREATE DATABASE command fails, any OMF database files that have already been created will be dropped automatically. 
• D、You must use only OMF data files when adding new tablespaces or data files to your database in the future.

第17题：

You work as an application developer at Certkiller .com. You are required to dynamically load assemblies into an application domain. You are using the Load method of the AppDomain class. What types of files can you this use method for？（）

• A、 Library application files （.dll）.
• B、 All assembly files， no matter what there file extensions are.
• C、 Application configuration files （.config）.
• D、 Standalone application files （.exe）.

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