搜题

【单选题】

In the event of failure of an auxiliary such as a lubricating pump, the standby pump is started and put on the line automatically“the line” in this sentence refers to（）

A、fuel manifold

B、lubricating pipe line

C、auxiliary engine pipe line

D、generator output line

查看正确答案

更多“In the event of failure of an auxiliary such as a lubricating pump, the standby pump is started and put on the line automatically“the line” in this sentence refers to（）”相关的问题

第1题

[单选题] You are developing a Windows Presentation Foundation (WPF) application. An event triggers a workflow such that a parent control executes the event handlers before the child controls. You need to ensure that if a parent controls event handler encounters an error, the subsequent handlers are not called. What should you do?（）

A、Use handlers for a tunneling routed event and mark the event as handled in the case of a problem. B、Use handlers for a tunneling routed event and make the event as handled in the finally portion of a try-catch-finally code block. C、Use handlers for a bubbling routed event and mark the event as handled in the case of a problem. D、Use handlers for a bubbling routed event and set the Handled property of the RoutedEventArgs object to true in the catch portion of a try-catch-finally code block.

点击查看答案

第2题

[单选题] You create a Web site that stores users' active themes in user profile objects. You need to apply users' preferred themes when they log on to the Web site. What should you do? （）

A、In the InitComplete event handler, set the Theme property of the Page object based on the user profile. B、In the PreLoad event handler, set the Theme property of the Page object based on the user profile. C、In the OnLoad event handler, set the Theme property of the Page object based on the user profile. D、In the PreInit event handler, set the Theme property of the Page object based on the user profile.

点击查看答案

第3题

[单选题] Your network consists of a single Active Directory domain. You have a member server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to track all authentication attempts on Server1. What should you do?（）

A、Enable auditing of logon event events in Server1’s local policy. B、Enable auditing of logon event events in the Default Domain Controller Policy. C、Enable auditing of account logon event events in Server1’s local policy. D、Enable auditing of account logon event events in the Default Domain Controller Policy.

点击查看答案

第4题

[] Click the Exhibit button. Which statement is true about the classes and interfaces in the exhibit?（） Click the Exhibit button. Which statement is true about the classes and interfaces in the exhibit?（）

A、A.Compilation will succeed for all classes and interfaces. B、B.Compilation of class C will fail because of an error in line 2. C、C.Compilation of class C will fail because of an error in line 6. D、D.Compilation of class AImpl will fail because of an error in line 2

点击查看答案

第5题

[单选题] You are the network administrator for Your network consists of a single Active Directory domain named All network servers run Windows Server 2003, and all client computers run Windows XP Professional. TestKing has 16 different office locations. Each office is a separate Active Directory site. You work in the main office. A user named Anne works in a branch office. Every morning for one week, Anne reports that her user account is locked out. Each time, you are obliged to unlock her account. You suspect that Anne's account is being misused or attacked outside of regular business hours. You need to investigate the cause of the account lockout. Where should you search for security events?（）

A、Only in the event log of a domain controller in your site. B、Only in the event logs of the domain controllers in Anne's site. C、In the event logs of all domain controllers in all sites. D、Only in the event log of Anne's computer.

点击查看答案

第6题

[单选题] Click the Exhibit button. Which statement is true about the classes and interfaces in the exhibit?（）

A、Compilation will succeed for all classes and interfaces. B、Compilation of class C will fail because of an error in line 2. C、Compilation of class C will fail because of an error in line 6. D、Compilation of class AImpl will fail because of an error in line 2.

点击查看答案

第7题

[多选题] You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application uses the background worker process (BWP). When the user clicks a button, the background worker executes a method named DoCalculations asynchronously. You need to implement a progress bar on the user interface (UI) that informs the user of the progress of DoCalculations. Which two actions should you perform?（）

A、Modify the Value property of the progress bar in DoCalculations. B、Modify the Value property of the progress bar in the ProgressChanged event handler of the background worker. C、Modify the Value property of the progress bar in the RunWorkerCompleted event handler of the background worker. D、Call the ReportProgress method of the background worker in DoCalculations. E、Call the ReportProgress method of the background worker in the DoWork event handler of the background worker.

点击查看答案

第8题

[单选题] Given: What is the result?（）

A、The code runs with no output. B、An exception is thrown at runtime. C、Compilation fails because of an error in line 20. D、Compilation fails because of an error in line 21. E、Compilation fails because of an error in line 23. F、Compilation fails because of an error in line 25.

点击查看答案

第9题

[单选题] Given: What is the result?（）

点击查看答案

第10题

[单选题] The purpose of a temperature sensing device installed in the stack of a small automatically fired auxiliary steam boiler is to secure the oil burner（）

A、in the event of a flame failure B、in the event of a stack fire C、when the water level reach the crown sheet D、when the feed pump discharge pressure drops to a preset minimum

点击查看答案

账号：登录

答题记录

我的收藏

我的题库

客服

TOP

请使用微信扫码支付

订单号：
遇到问题请联系在线客服