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MCPD單項選擇題每日一練(2018.12.19)

單項選擇題
Certkiller.com 有一個名為 Certkiller SR07 的承載公司數(shù)據(jù)的文件服務(wù)器。您目前正在創(chuàng)建的應(yīng)用程序?qū)⒂?Certkiller.com 的用戶使用的過程中管理 Certkiller SR07 上的數(shù)據(jù)。確保 Certkiller.com 用戶工作目錄中，有適當(dāng)?shù)奈募?quán)限您定義的 DemanDirectorySecurity 方法，如下所示。public void DemanDirectorySecurity (string path) {FileIOPermission filePerm = new FileIOPermission (PermissionState.None);filePerm.AddPathList (FileIOPermissionAccess.AllAccess, path); filePerm.Assert ();}之后，安裝新的應(yīng)用程序，您發(fā)現(xiàn)有些用戶并沒有他們的工作目錄的完全訪問權(quán)限。將通知您的用戶只需要這些 Certkiller.com 只讀訪問。您需要重寫權(quán)限斷言，只有這些用戶的 DemanDirectorySecurity 方法中。你應(yīng)該做什么？（）
A.
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單項選擇題
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a composite custom control named MyControl. You need to add an instance of the OrderFormData control to the MyControl control. Which code segment should you use？（）
A.A
B.B
C.C
D.D
單項選擇題
You are working on a debug build of an application.You need to find the line of code that caused an exception to be thrown. Which property of the Exception class should you use to achieve this goal？（）
A.Data
B.Message
C.Stack Trace
D.Source
單項選擇題
您的應(yīng)用程序運用了兩個線程，名分別為thread One和thread Two thread Two..您需要修改代碼防止從線程thread One的執(zhí)行到thread Two的執(zhí)行完成。您將如何去做？（）
A.將thread One配置為以較低優(yōu)先級運行。
B.將thread Two配置為以較高優(yōu)先級運行。
C.使用Wait Call back委托同步這兩個線程。
D.調(diào)用thread One的Sleep方法。
E.調(diào)用thread One的SpinLock方法。
單項選擇題
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You write the following code segment in the code-behind file to create a Web form. (Line numbers are included for reference only.) 01 Dim strQuery As String = "select * from Products;" + _ "select * from Categories" 02 Dim cmd As New SqlCommand(strQuery, cnn) 03 cnn.Open() 04 Dim rdr As SqlDataReader = cmd.ExecuteReader() English Chinese Japan Korean - 47 - Test Information Co., Ltd. All rights reserved. 05 06 rdr.Close() 07 cnn.Close() You need to ensure that the gvProducts and gvCategories GridView controls display the data that is contained in the following two database tables: ¡¤The Products database tabl ¡¤The Categories database tabl Which code segment should you insert at line 05? （）
A.A
B.B
C.C
D.D

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