An application connects to a SQL Azure database.  The application occasionally loses the connection to the SQL Azure database.   You need to recommend an approach for reliably completing data access operations.  What should you recommend?()  A、 Use Microsoft ADO.NET connection pooling.B、 Pass exceptions to the user interface layer.C、 Implement a retry policy in the data access layer.D、 Begin a transaction before each data access operation.

An application connects to a SQL Azure database.  The application occasionally loses the connection to the SQL Azure database.   You need to recommend an approach for reliably completing data access operations.  What should you recommend?()  

  • A、 Use Microsoft ADO.NET connection pooling.
  • B、 Pass exceptions to the user interface layer.
  • C、 Implement a retry policy in the data access layer.
  • D、 Begin a transaction before each data access operation.

相关考题:

当 Web 应用关闭后,你需要人工释放资源。为此,你应该响应哪一个事件?() A.Application_BeginRequestB.Application_EndC. Application_StartD.Application_EndRequest

假设现在已经利用Application对象把变量a赋值为456,那么下列语句中能显示出“456”的是______。A.<%=Application"a"%>B.<%=Application("a")%>C.<%=Application(a)%>D.<%=Application:a%>

A client has a temporary deployment of a new static application that needs to run for a short period of time and is not going to change.How can this deployment be achieved with a minimum of effort and time?()A.Run a system WPAR and deploy the application.B.Create a new LPAR and deploy the application.C.Create an application WPAR to deploy the application.D.Create an LPAR hosted by a VIO server and deploy the application.

Your company uses Microsoft Application Virtualization (App-V).You maintain the sequencing for applications.You need to add a template to an existing sequenced application.What should you do?() A.Edit the application, add the template, and then save the application with a new name.B.Sequence the template as a new application to the original application installation folder.C.Restore the sequencing computer and add the template to the original application installation folder.D.Upgrade the existing sequencing package, add the template to the package, and then save the application.

Your company has an Active Directory Domain Services (AD DS) domain. You virtualize applications by using Microsoft Application Virtualization (App-V).You are creating an application virtualization package.Which should you use?()A.Microsoft Application Virtualization SequencerB.Microsoft Application Virtualization Desktop ClientC.Microsoft System Center Application Virtualization Streaming ServerD.Microsoft System Center Application Virtualization Management Server

Refer to the exhibit. Based on this command output, what can we conclude about R3?() A. R3 is an ABR.B. R3 is not connec ted to the backbone.C. R3 has four neighbors.D. R3 is the DR for area 2.

Which statement is true about item records and inventory management? ()A、 With IBM Maximo Asset Management V6.2 (IMAM), item records are created in the Item Master application, and storeroom records are created in the Storerooms application, but inventory is managed in the Inventory application.B、 With IMAM, item records are created in the Storerooms application, and storeroom records are created in the Inventory application, but inventory is managed in the Inventory application.C、 With IMAM, item records are created in the Inventory application, and storeroom records are created in the Item Master application, and inventory is managed in the Item Master application.D、 With IMAM, item records are created in the Inventory application, and storeroom records are created in the Storerooms application, but inventory is managed in the Item Master application.

在建立Application对象的时候会产生哪个事件?()A、Application_OnStartB、Application_OnEndC、Application_StartD、Application_End

要退出应用程序的执行,应执行下列的()语句。A、 Application.Exit();B、 Application.Exit;C、 Application.Close();D、 Application.Close;

A technician installed a new application on a Windows XP desktop. When the technician tries to launch the application it crashes. Which of the following can the technician use to troubleshoot the application?()A、System logsB、Security logsC、Application logsD、Application installation logs

Application A currently holds an exclusive lock on a single row and application B tries to access that row. If lock timeout is set to -1 and both applications are using isolation level RS, which of the following will occur?()A、Applications A and B will cause a deadlock situationB、Application B will read the previous version of the rowC、Application B will read the row and see uncommitted changes made by application AD、Application B will be placed in a lock-wait state until application A releases its lock

A user reports that they cannot cd to /tmp/application. A system administrator entered the following command:   (1)ls -ld /tmp/application   (2)drw-r--r-- 4 root system 512 Jan 15 14:09 application   What is the most likely cause of the problem?()A、The /tmp/application should be globally writable.B、The /tmp/application directory should be executable.C、The /tmp/application directory should be owned by the user.D、The /tmp/application directory should have the sticky bit set.

Application A holds an Update lock on a single row and application B is trying to read that row. If both applications are using isolation level UR, which of the following will occur?()A、Application B will read the row.B、Applications A and B will cause a deadlock situation.C、Application B will wait until application A releases the Update lock.D、Application A will be terminated so that application B can read the row.

A manufacturer is deploying a custom application to serve their customers.  The application is written to take advantage of multithreading features and run in a Windows environment.  To determine the processor family that will run the application most efficiently, which TWO questions will provide the required information?()A、What is the application’s maximum processor scaling capability?B、Will the application run faster with Microsoft OLTP technology?C、Will the application benefit from larger disk cache and swap space?D、Can the application use Hot Swap Processor, Memory, and PCI-X technology?E、Is the application able to run in a 32 bit, 64 bit, or mixed environment?

To enhance the availability of an application running under HACMP, a decision was made to use  The application monitoring facility. The application consists of several components and can take several minutes to initialize. The components use socket communication and can be initialized in any order as long as it is a serial order. The customer’s concern is that if the application stop and start scripts are used during application monitoring recovery,it may take an extraordinary length of time to reset all of the application components.  What can be done to ensure the best recover time?()   A、 Use a process monitor that restarts the named processes in the original start order.B、 Use the defined application start and stop scripts to control the application if there is a failure.C、 Use multiple application monitors for this resource group to enable the monitoring of the specific components of the resource group.D、 Use application cleanup and restart scripts designed to determine the state of the various components of the application and start only the parts required.

You recently installed an application on your computer. The application is configured to automatically start. This application might cause your computer to run slower.  You need to prevent the application from auto starting without uninstalling the application.  What should you do?()A、Use the Microsoft Windows Task Manager application to end the task for the application.B、Use the Control Panel application to uninstall the application. Reboot the computer.C、Use the Software Explorer application to disable the application. Reboot the computer.D、Use the Services application to disable the Application Experience service, and then launch the application.

Your company uses Microsoft Application Virtualization (App-V). You maintain the sequencing for applications. You need to add a template to an existing sequenced application. What should you do?()A、Edit the application, add the template, and then save the application with a new name.B、Sequence the template as a new application to the original application installation folder.C、Restore the sequencing computer and add the template to the original application installation folder.D、Upgrade the existing sequencing package, add the template to the package, and then save the application.

Your company uses Microsoft Application Virtualization (App - V). You maintain the sequencing f or applications. You need to add a template to an existing sequenced application. What should you do?()A、Edit the application, add the template, and then save the application with a new name.B、Sequence the template as a new application to the original appl ication installation folder.C、Restore the sequencing computer and add the template to the original application installation folder.D、Upgrade the existing sequencing package, add the template to the package, and then save the application.

Your company has an Active Directory Domain Services (AD DS) domain. You virtualize applications by using Microsoft Application Virtualization (App - V). You are creating an application virtualization package. Which sh ould you use?()A、Microsoft Application Virtualization SequencerB、Microsoft Application Virtualization Desktop ClientC、Microsoft System Center Application Virtualization Streaming ServerD、Microsoft System Center Application Virtualization Management Server

You use Microsoft Application Virtualization for Desktops to virtualize applications for client computers.A virtual application that was installed by using a Windows Installer Package (.msi) file has become corrupted. You need to restore access to the virtual application. Which two actions should you perform?()A、Reload the virtual application package.B、Reinstall the virtual application package.C、Use the Repair function in the Windows Installer Package. Use the Microsoft Application Virtualization (App-V) to re-sequence the application.D、Use the Microsoft Application Virtualization (App-V) Sequencer to edit the virtual application package.

单选题Which statement is true about item records and inventory management? ()A With IBM Maximo Asset Management V6.2 (IMAM), item records are created in the Item Master application, and storeroom records are created in the Storerooms application, but inventory is managed in the Inventory application.B With IMAM, item records are created in the Storerooms application, and storeroom records are created in the Inventory application, but inventory is managed in the Inventory application.C With IMAM, item records are created in the Inventory application, and storeroom records are created in the Item Master application, and inventory is managed in the Item Master application.D With IMAM, item records are created in the Inventory application, and storeroom records are created in the Storerooms application, but inventory is managed in the Item Master application.

单选题An administrator is configuring an application monitor. Upon encountering an unrecoverable error the administrator does not want the resource group to failover. How can the application monitor be configured toachieve this?()AConfigure the application monitor with a restart count of 0BConfigure the application monitor with a monitor mode of NotifyCConfigure the application monitor with a notify method of MonitorDConfigure the application monitor with a failure action of Notify

单选题A client has a temporary deployment of a new static application that needs to run for a short period of time and is not going to change. How can this deployment be achieved with a minimum of effort and time?()ARun a system WPAR and deploy the application.BCreate a new LPAR and deploy the application.CCreate an application WPAR to deploy the application.DCreate an LPAR hosted by a VIO server and deploy the application.

单选题You are using windows installer to deploy an application to 750 Windows 2000 Professional computers on your network. The network includes organizational unit (OU) named sales. A Group Policy object (GPO) is created for the Sales OU. You want to deploy that application in such a way that the shortcuts of that application should be created on the used desktop as well as in start-menu. When a user first click on the shortcut or try to open any file whose extension is associated with that application, then that application should automatically install on the computer. What should you do to accomplish this task?()AUsing GPO, publish that application at user levelBUsing GPO, assign that application at the user levelCUsing GPO, publish that application at computer levelDUsing GPO, assign that application at the computer level.

单选题要退出应用程序的执行,应执行下列的()语句。A Application.Exit();B Application.Exit;C Application.Close();D Application.Close;

单选题You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application requires frequent updates. You want to use the ClickOnce technology to distribute the application to Internet users. You need to ensure that the application is automatically updated without requiring user intervention. You also need to ensure that the users execute the most recent version of the application. What should you do when you publish the application? ()AUse Install the application from a file share. Select the Application is available online and offline option.BUse Install the application from CD-ROM or a DVD-ROM. Select the Application will not check for updates option.CUse Install the application from a Web site. Select the Application is available online only option.DUse Install the application from a Web site. Select the Application is available online and offline option.

单选题An application has been migrated to the Windows Azure platform.  The application references a native x86 DLL.  The DLL source code is not available.   The application displays an error when loading the DLL.   You need to recommend an approach for ensuring that the application can load the DLL.  What should you recommend?()A Create a 32bit application to host the DLL.B Modify the application to allow unsafe code.C Modify the application to call methods in the DLL.D Modify the application to target the x86 platform.