Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be acce

题目

Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be accessible to any other servlet,JSP or session in the webapp. Which two techniques can you use to accomplish this goal?()

  • A、Add attributes to the session object.
  • B、Add attributes on the request object.
  • C、Add parameters to the request object.
  • D、Use the pageContext object to add request attributes.
  • E、Add parameters to the JSP’s URL when generating the request dispatcher.

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更多“Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be acces”相关问题
  • 第1题:

    Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated by the servlet to the JSP;furthermore, that JSP uses a custom tag and must also process this information. This information mustNOT be accessible to any other servlet, JSP or session in the webapp. How can you accomplish this goal?()

    • A、Store the data in a public instance variable in the servlet.
    • B、Add an attribute to the request object before using the request dispatcher.
    • C、Add an attribute to the context object before using the request dispatcher.
    • D、This CANNOT be done as the tag handler has no means to extract this data.

    正确答案:B

  • 第2题:

    Your IT department is building a lightweight Front Controller servlet that invokes an application logic objectwith the interface: public interface ApplicationController {public String invoke(HttpServletRequest request)} The return value of this method indicates a symbolic name of the next view. From this name, the FrontController servlet looks up the JSP URL in a configuration table. This URL might be an absolute path or apath relative to the current request. Next, the Front Controller servlet must send the request to this JSP togenerate the view. Assume that the servlet variable request is assigned the current HttpServletRequestobject and the variable context is assigned the webapp’s ServletContext. Which code snippet of the FrontController servlet accomplishes this goal?()

    • A、Dispatcher view=context.getDispatcher(viewURL);view.forward Request(request, response);
    • B、Dispatcher view=request.getDispatcher(viewURL);view.forward Request(request, response);
    • C、RequestDispatcher view. =context.getRequestDispatcher(viewURL);view.forward(request,response);
    • D、RequestDispatcher view=request.getRequestDispatcher(viewURL);view.forward(request, response);

    正确答案:D

  • 第3题:

    You have built your own light-weight templating mechanism. Your servlets, which handle each request,dispatch the request to one of a small set of template JSP pages. Each template JSP controls the layout ofthe view by inserting the header, body, and footer elements into specific locations within the template page.The URLs for these three elements are stored in request scoped variables called, headerURL, bodyURL,and footerURL, respectively. These attribute names are never used for other purposes. Which JSP codesnippet should be used in the template JSP to insert the JSP content for the body of the page?()

    • A、<jsp:insert page=’${bodyURL}’ />
    • B、<jsp:insert file=’${bodyURL}’ />
    • C、<jsp:include page=’${bodyURL}’ />
    • D、<jsp:include file=’${bodyURL}’ />
    • E、<jsp:insert page=’<%= bodyURL %>’ />

    正确答案:C

  • 第4题:

    Servlet A receives a request that it forwards to servlet B within another web application in the same web container. Servlet A needs to share data with servlet B and that data must not be visible to other servlets in A’s web application.  In which object can the data that A shares with B be stored?()

    • A、 HttpSession
    • B、 ServletConfig
    • C、 ServletContext
    • D、 HttpServletRequest
    • E、 HttpServletResponse

    正确答案:D

  • 第5题:

    A Company.com developer has created a web application that includes a servlet for each use case in the application. These servlets have become rather difficult to maintain because the request processing methods have become very large. There is also common processing code in many servlets because these use cases are very similar.  Which two design patterns can be used together to refactor and simplify this web application? ()

    • A、 Proxy
    • B、 View Helper
    • C、 Front Controller
    • D、 Session Façade
    • E、 Business Delegate
    • F、 Model-View-Controller

    正确答案:C,F

  • 第6题:

    You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. The network contains a Web server that runs IIS 6.0 and hosts a secure intranet site. All users are required to connect to the intranet site by authenticating and using HTTPS. However, because an automated Web application must connect to the Web site by using HTTP, you cannot configure the intranet site to require HTTPS.  You need to collect information about which users are connecting to the Web site by using HTTPS.   What should you do?()

    • A、Check the application log on the Web server.
    • B、Use Network Monitor to capture network traffic on the Web server.
    • C、Review the log files created by IIS on the Web server.
    • D、Configure a performance log to capture all Web service counters. Review the performance log data.

    正确答案:C

  • 第7题:

    You have a computer that runs Windows 7. You need to identify the disk, memory, CPU, and networkresources that an application is currently using.  Which tool should you use?()

    • A、Component Services
    • B、Performance Information and Tools
    • C、Reliability Monitor
    • D、Resource Monitor

    正确答案:D

  • 第8题:

    You need to design a method to encrypt confidential data. Your solution must address the concerns of the chief information officer. What should you do?()

    • A、Encrypt customer information when it is stored and when it is being transmitted
    • B、Require encrypted connections to the public Web site, which is hosted on the Web server on the perimeter network
    • C、Encrypt all marketing information on file servers and client computers
    • D、Require encrypted connections to all file servers

    正确答案:A

  • 第9题:

    单选题
    You have built your own light-weight templating mechanism. Your servlets, which handle each request,dispatch the request to one of a small set of template JSP pages. Each template JSP controls the layout ofthe view by inserting the header, body, and footer elements into specific locations within the template page.The URLs for these three elements are stored in request scoped variables called, headerURL, bodyURL,and footerURL, respectively. These attribute names are never used for other purposes. Which JSP codesnippet should be used in the template JSP to insert the JSP content for the body of the page?()
    A

    <jsp:insert page=’${bodyURL}’ />

    B

    <jsp:insert file=’${bodyURL}’ />

    C

    <jsp:include page=’${bodyURL}’ />

    D

    <jsp:include file=’${bodyURL}’ />

    E

    <jsp:insert page=’<%= bodyURL %>’ />


    正确答案: B
    解析: 暂无解析

  • 第10题:

    多选题
    Your web application uses a simple architecture in which servlets handle requests and then forward to aJSP using a request dispatcher. You need to pass information calculated in the servlet to the JSP for view generation.This information must NOT be accessible to any other servlet,JSP or session in the webapp. Which two techniques can you use to accomplish this goal?()
    A

    Add attributes to the session object.

    B

    Add attributes on the request object.

    C

    Add parameters to the request object.

    D

    Use the pageContext object to add request attributes.

    E

    Add parameters to the JSP’s URL when generating the request dispatcher.


    正确答案: E,A
    解析: 暂无解析

  • 第11题:

    多选题
    A developer has created a web application that includes a servlet for each use case in the application.These servlets have become rather difficult to maintain because the request processing methods havebecome very large. There is also common processing code in many servlets because these use cases arevery similar. Which two design patterns can be used together to refactor and simplify this web application?()
    A

    Proxy

    B

    View Helper

    C

    Front Controller

    D

    Session Facade

    E

    Business Delegate

    F

    Model-View-Controller


    正确答案: A,B
    解析: 暂无解析

  • 第12题:

    单选题
    Your web application views all have the same header, which includes the  tag in the  elementof the rendered HTML. You have decided to remove this redundant HTML code from your JSPs and put itinto a single JSP called /WEB-INF/jsp/header.jsp. However, the title of each page is unique, so you havedecided to use a variable called pageTitle to parameterize this in the header JSP, like this: 10.${param.pageTitle} Which JSP code snippet should you use in your main view JSPs to insert the header and pass thepageTitle variable?()
    A

    <jsp:insert page=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp:insert>

    B

    <jsp:include page=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp:include>

    C

    <jsp:include file=’/WEB-INF/jsp/header.jsp’>. ${pageTitle=’Welcome Page’}. </jsp:include>

    D

    <jsp:insert page=’/WEB-INF/jsp/header.jsp’>. <jsp:param name=’pageTitle’ value=’Welcome Page’ /> . </jsp:insert>

    E

    <jsp:include page=’/WEB-INF/jsp/header.jsp’>. <jsp:param name=’pageTitle’ value=’Welcome Page’ /> . </jsp:include>


    正确答案: A
    解析: 暂无解析

  • 第13题:

    You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You host the Web application in Microsoft Internet Information Services (IIS) 6.0. You browse theapplication and receive the following error message:  Server Application Unavailable  The web application you are attempting to access on this web server is currently unavailable.Please hit the "Refresh" button in your web browser to retry your request.  You view the Application event log and discover the following message:  It is not possible to run two different versions of ASP.NET in the same IIS process. Please use theIIS Administration Tool to reconfigure your server to run the application in a separate process.  To ensure productivity you need to solve this problem as quick as possible.  What should you do?()

    • A、You should change the IIS isolation mode.
    • B、You should assign the application to another application pool.
    • C、You should configure all applications that are part of your application's application pool in orderto use the same version of ASP.NET.
    • D、You should run the Aspnet_regiis.exe Tool.
    • E、You should restart the application pool that hosts the application.

    正确答案:B,C

  • 第14题:

    Which is the true choice about the web container request processing model()?

    • A、 The init method on a filter is called the first time a servlet mapped to that filter is invoked
    • B、 A filter defined for a servlet must always forward control to the next resource in the filter chain.
    • C、 Filters associated with a named servlet are applied in the order they appear in the web application deployment descriptor file
    • D、 If the init method on a filter throws an UnavailableException, then the container will make no further attempt to execute it

    正确答案:C

  • 第15题:

    A developer has created a special servlet that is responsible for generating XML content that is sent to adata warehousing subsystem. This subsystem uses HTTP to request these large data files, which are compressed by the servlet to save internal network bandwidth. The developer has received a request frommanagement to create several more of these data warehousing servlets. The developer is about to copyand paste the compression code into each new servlet. Which design pattern can consolidate thiscompression code to be used by all of the data warehousing servlets?()

    • A、Facade
    • B、View Helper
    • C、Transfer Object
    • D、Intercepting Filter
    • E、Composite Facade

    正确答案:D

  • 第16题:

    You want to create a filter for your web application and your filter will implement javax.servlet.Filter. Which two statements are true?()

    • A、Your filter class must implement an init method and a destroy method.
    • B、Your filter class must also implement javax.servlet.FilterChain.
    • C、When your filter chains to the next filter, it should pass the same arguments it received in its doFiltermethod.
    • D、The method that your filter invokes on the object it received that implements javax.servlet.FilterChaincan invoke either another filter or a servlet.
    • E、Your filter class must implement a doFilter method that takes, among other things, anHTTPServletRequest object and an HTTPServletResponse object.

    正确答案:A,D

  • 第17题:

     You work with a SQL Server 2005 database that provides banking information for customers. You want customers to see banking reports that combine data that is retrieved from the database with real-time investment information that comes from a Web service provided by a third party. The investment information must be current when the reports are executed. You need to create the appropriate objects that support the reports.  What should you do?()

    • A、 Publish the data in the database as an XML Web service by using the FOR XML AUTO clause. 
    • B、 Create a table to store the banking information for each customer. Create a trigger that fires when data is inserted into the table that joins with the data coming from the Web service. 
    • C、 Create a Transact-SQL stored procedure that uses a temporary table to store the banking information for each customer. Update the table with the values from the Web service. 
    • D、 Have a developer in your company create an assembly that calls the remote Web service. Create aCLR function by using the assembly. Call the CLR function and combine the results with banking information in the database.

    正确答案:D

  • 第18题:

    You want to enable users of a Web application to modify the Web application's UI and behavior. These modifications must be maintained at the user level so that when users return to the Web application, the changes are still in effect. You need to achieve this goal by using the minimum amount of custom code. What should you do?()

    • A、Persist control data by using view state.
    • B、Use Web Part controls.
    • C、Maintain a profile for each user.
    • D、Enable session state on the Web application.

    正确答案:B

  • 第19题:

    You work as an ASP.NET Web Application Developer for SomeCompany. The company uses Visual Studio .NET 2010 as its application development platform. You have recently finished the development of an ASP.NET Web application using .NET Framework 4.0. Now, you are deploying the ASP.NET Web application to a remote server. You are required to select a deployment method that will make sure that all Internet Information Services (IIS) settings, in addition to the Web content, are deployed to the remote server. Which of the following deployment methods will you select to accomplish this?()

    • A、Web Setup project
    • B、Web-based deployment
    • C、Deployment manifest
    • D、Web Deployment Tool

    正确答案:D

  • 第20题:

    多选题
    You want to create a filter for your web application and your filter will implement javax.servlet.Filter. Which two statements are true?()
    A

    Your filter class must implement an init method and a destroy method.

    B

    Your filter class must also implement javax.servlet.FilterChain.

    C

    When your filter chains to the next filter, it should pass the same arguments it received in its doFiltermethod.

    D

    The method that your filter invokes on the object it received that implements javax.servlet.FilterChaincan invoke either another filter or a servlet.

    E

    Your filter class must implement a doFilter method that takes, among other things, anHTTPServletRequest object and an HTTPServletResponse object.


    正确答案: A,B
    解析: 暂无解析

  • 第21题:

    多选题
    A Company.com developer has created a web application that includes a servlet for each use case in the application. These servlets have become rather difficult to maintain because the request processing methods have become very large. There is also common processing code in many servlets because these use cases are very similar.  Which two design patterns can be used together to refactor and simplify this web application? ()
    A

    Proxy

    B

    View Helper

    C

    Front Controller

    D

    Session Façade

    E

    Business Delegate

    F

    Model-View-Controller


    正确答案: F,E
    解析: 暂无解析

  • 第22题:

    多选题
    You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  You host the Web application in Microsoft Internet Information Services (IIS) 6.0. You browse theapplication and receive the following error message:  Server Application Unavailable  The web application you are attempting to access on this web server is currently unavailable.Please hit the "Refresh" button in your web browser to retry your request.  You view the Application event log and discover the following message:  It is not possible to run two different versions of ASP.NET in the same IIS process. Please use theIIS Administration Tool to reconfigure your server to run the application in a separate process.  To ensure productivity you need to solve this problem as quick as possible.  What should you do?()
    A

    You should change the IIS isolation mode.

    B

    You should assign the application to another application pool.

    C

    You should configure all applications that are part of your application's application pool in orderto use the same version of ASP.NET.

    D

    You should run the Aspnet_regiis.exe Tool.

    E

    You should restart the application pool that hosts the application.


    正确答案: E,A
    解析: 暂无解析

  • 第23题:

    单选题
    Servlet A receives a request that it forwards to servlet B within another web application in the same web container. Servlet A needs to share data with servlet B and that data must not be visible to other servlets in A’s web application.  In which object can the data that A shares with B be stored?()
    A

     HttpSession

    B

     ServletConfig

    C

     ServletContext

    D

     HttpServletRequest

    E

     HttpServletResponse


    正确答案: E
    解析: 暂无解析