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单选题
A developer has used this code within a servlet： 62.if（request.isUserInRole（"vip"）） { 63.// VIP-related logic here 64.} What else must the developer do to ensure that the intended security goal is achieved？（）
A
Create a user called vip in the security realm
B
Define a group within the security realm and call it vip
C
Define a security-role named vip in the deployment descriptor
D
Declare a security-role-ref for vip in the deployment descripto
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更多 “单选题A developer has used this code within a servlet： 62.if（request.isUserInRole（"vip"）） { 63.// VIP-related logic here 64.} What else must the developer do to ensure that the intended security goal is achieved？（）A Create a user called vip in the security realmB Define a group within the security realm and call it vipC Define a security-role named vip in the deployment descriptorD Declare a security-role-ref for vip in the deployment descripto” 相关考题
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A system has a TCPIP issue that is a known problem. The newest code from the support website has been downloaded to resolve the issue. Which of the following commands should be used to install the new code?（）A.smitty install_commitB.installp -ugVC.installp -aXD.instfix -all
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Which two prevent a servlet from handling requests.？（）A、 The servlet’s init method returns a non-zero status.B、 The servlet’s init method throws a Servlet ExceptionC、 The servlet’s init method sets the Servlet Response’s context length to 0D、 The servlet’s init method sets the Servlet Response’s content type to null.E、 The servlet’s init method does NOT return within a time period defined by the servlet container.
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A developer used wsimport to generate the skeleton code for a Web service implementation. What is the purpose of the generated ObjectFactory class？（） A、 The ObjectFactory class is the generated Service Endpoint Interface classB、 The ObjectFactory class is the generated service provider class that is used by the JAX-WS client.C、 The ObjectFactory class takes the targetNamespace value and creates the directory structure.D、 The ObjectFactory class allows you to programatically construct new instances of the Java representation for XML content.
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The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. Whilereviewing the application， a developer realizes that in multiple places within the current application， nearlyduplicate code exists that finds enterprise beans. Which pattern should be used to eliminate this duplicatecode？（）A、Transfer ObjectB、Front ControllerC、Service LocatorD、Intercepting FilterE、Business DelegateF、Model-View-Controller
考题
For which three events can web application event listeners be registered？（）A、When a session is createdB、After a servlet is destroyedC、When a session has timed outD、When a cookie has been createdE、When a servlet has forwarded a requestF、When a session attribute value is changed
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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、FacadeB、View HelperC、Transfer ObjectD、Intercepting FilterE、Composite Facade
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Given the HttpServlet code： getServletContext（）.setAttribute（“foo”， “value”）； What is the result？（）A、 The attribute foo is placed in the applicationB、 A ServletContextListener registered for that servlet is notifiedC、 A ServletAttributeListener registered for that servlet is notifiedD、 An HttpSessionAttributeListener registered for that servlet is notified
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You work as an application developer at Certkiller .com. Certkiller .com has instructed you to create a class named MetricFormula. This class will be used to compare MetricUnit and EnglishUnit objects.The MetricFormula is currently defined as follows （Line numbers are used for reference purposes only）： 1. public class MetricFormula2. { 3. 4. } You need to ensure that the MetricFormula class can be used to compare the required objects. What should you do？ （）A、 Add the following code on line 1： ： IComparable {B、 Add the following code on line 1： ： IComparer {C、 Add the following code on line 3： public int Compare （object x， object y） {// implementation code }D、 Add the following code on line 3： public int CompareTo （object obj） {// implementation code }
考题
You work as the application developer at Certkiller .com. Certkiller .com uses Visual Studio.NET 2005 as its application development platform. You are developing a .NET Framework 2.0 Windows Service application and are busy writing the following installation code for the Windows service: Public Class TestServiceInstaller Implemets Installer 'Additional code to go here End Class You are required to install the Windows service and write the values associated with the service in the Windows Registry. What should you do?（）A、The Assembly Registration Tool (Regasm.exe) should be used.B、The Global Assembly Cache Tool (Gacutil.exe) should be used.C、The .NET Services Installation Tool (Regsvcs.exe) should be used.D、The Installer Tool (InstallUtil.exe) should be used.
考题
单选题You work as an application developer at Certkiller .com. Certkiller .com has asked you to create a multi-threaded application， which executes a critical database backup operation on an hourly basis. You define this operation with the following code： public void BackupDB （） { //Implementation code } You then create a Thread object for the purpose of invoking this method. You need to ensure that the thread is scheduled for execution before any other thread at runtime.What should you do？（）A
AB
BC
CD
D
考题
单选题A system has a TCPIP issue that is a known problem. The newest code from the support website has been downloaded to resolve the issue. Which of the following commands should be used to install the new code?（）A
smitty install_commitB
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installp -aXD
instfix -all
考题
单选题You work as the application developer at Certkiller .com. Certkiller .com uses Visual Studio.NET 2005 as its application development platform. You are developing a .NET Framework 2.0 Windows Service application and are busy writing the following installation code for the Windows service: Public Class TestServiceInstaller Implemets Installer 'Additional code to go here End Class You are required to install the Windows service and write the values associated with the service in the Windows Registry. What should you do?（）A
The Assembly Registration Tool (Regasm.exe) should be used.B
The Global Assembly Cache Tool (Gacutil.exe) should be used.C
The .NET Services Installation Tool (Regsvcs.exe) should be used.D
The Installer Tool (InstallUtil.exe) should be used.
考题
单选题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
FacadeB
View HelperC
Transfer ObjectD
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Composite Facade
考题
单选题Servlet A receives a request that it forwards to servlet B within another web application in the same webcontainer. Servlet A needs to share data with servlet B and that data must not be visible to other servlets inA’s web application. In which object can the data that A shares with B be stored？（）A
HttpSessionB
ServletConfigC
ServletContextD
HttpServletRequestE
HttpServletResponse
考题
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？（）AProxyBView HelperCFront ControllerDSession FacadeEBusiness DelegateFModel-View-Controller
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单选题The CALC function is used several times within the sales report. To simplify maintenance you want to store the function in one place and call it from within your PL/SQL trigger code. Which node would you use in object navigator to create a report level programme unit to store the function?（）A
Programme units. B
PL/SQL libraries. C
Database object. D
Built in packages.
考题
单选题The Squeaky Bean company has decided to port their web application to a new J2EE 1.4 container. Whilereviewing the application， a developer realizes that in multiple places within the current application， nearlyduplicate code exists that finds enterprise beans. Which pattern should be used to eliminate this duplicatecode？（）A
Transfer ObjectB
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考题
多选题For which three events can web application event listeners be registered？ （）Awhen a session is createdBafter a servlet is destroyedCwhen a session has timed outDwhen a cookie has been createdEwhen a servlet has forwarded a requestFwhen a session attribute value is changed
考题
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
HttpSessionB
ServletConfigC
ServletContextD
HttpServletRequestE
HttpServletResponse
考题
多选题Which two prevent a servlet from handling requests.？（）AThe servlet’s init method returns a non-zero status.BThe servlet’s init method throws a Servlet ExceptionCThe servlet’s init method sets the Servlet Response’s context length to 0DThe servlet’s init method sets the Servlet Response’s content type to null.EThe servlet’s init method does NOT return within a time period defined by the servlet container.
考题
单选题A developer is designing a web application which extensively uses EJBs and JMS. The developer finds thatthere is a lot of duplicated code to build the JNDI contexts to access the beans and queues. Further，because of the complexity， there are numerous errors in the code. Which J2EE design pattern provides asolution for this problem？（）A
CommandB
Transfer ObjectC
Service LocatorD
Session FacadeE
Business Delegate
考题
单选题A developer used wsimport to generate the skeleton code for a Web service implementation. What is the purpose of the generated ObjectFactory class？（）A
The ObjectFactory class is the generated Service Endpoint Interface classB
The ObjectFactory class is the generated service provider class that is used by the JAX-WS client.C
The ObjectFactory class takes the targetNamespace value and creates the directory structure.D
The ObjectFactory class allows you to programatically construct new instances of the Java representation for XML content.
考题
单选题Given the HttpServlet code： getServletContext（）.setAttribute（“foo”， “value”）； What is the result？（）A
The attribute foo is placed in the applicationB
A ServletContextListener registered for that servlet is notifiedC
A ServletAttributeListener registered for that servlet is notifiedD
An HttpSessionAttributeListener registered for that servlet is notified
考题
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？ （）AProxyBView HelperCFront ControllerDSession FaçadeEBusiness DelegateFModel-View-Controller
考题
单选题“Office politics” (Line2, Para.5) is used in the passage to refer to _____.A
the political views and beliefs of office workersB
the interpersonal relationships within a companyC
the various qualities required for a successful careerD
the code of behavior for company staff
考题
单选题You work as an application developer at Certkiller .com. You have recently created a multithreaded application to manage Certkiller .com’s inventory system. The fulfillment task has to be executed on a regular basis， while other tasks are performed in the application. The task does not need any input to start. You are required to create and start the fulfillment thread using the appropriate code.What code should you use？（）A
AB
BC
CD
D
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