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You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now according to the customer requirement, you are creating an application. Custom authentication and role-based security will be used by the application. In order to make the runtime assign an unauthenticated principal object to each running thread, you have to write a code segment. In the options below, which code segment should you use?

• A. AppDomain domain = AppDomain.CurrentDomain; domain.SetAppDomainPolicy( PolicyLevel.CreateAppDomainLevel());
• B. AppDomain domain = AppDomain.CurrentDomain;domain.SetPrincipalPolicy( PrincipalPolicy.UnauthenticatedPrincipal);
• C. AppDomain domain = AppDomain.CurrentDomain;domain.SetPrincipalPolicy(PrincipalPolicy.WindowsPrincipal);
• D. AppDomain domain = AppDomain.CurrentDomain;domain.SetThreadPrincipal(new WindowsPrincipal(null));

You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now according to the customer requirement, you are creating an assembly which contains a public method. You name this assembly AssemblyA. The global cache contains a second assembly named AssemblyB. Now your customer want the public method is only called from AssemblyB. So you must make sure of this. In the options below, which permission class should you use?

• A. GacIdentityPermission
• B. DataProtectionPermission
• C. PublisherIdentityPermission
• D. StrongNameIdentityPermission

You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now according to the customer requirement, you are creating an auditing application to display the trusted ClickOnce applications. The applications are installed on a computer. Now you need the auditing application to display the origin of each trusted application. In the options below, which code segment should you use?

• A. ApplicationTrustCollection trusts;trusts = ApplicationSecurityManager.UserApplicationTrusts; foreach (ApplicationTrust trust in trusts) { Console.WriteLine(trust.ApplicationIdentity.FullName);}
• B. ApplicationTrustCollection trusts;trusts = ApplicationSecurityManager.UserApplicationTrusts; foreach (ApplicationTrust trust in trusts) { Console.WriteLine(trust.ExtraInfo.ToString());}
• C. ApplicationTrustCollection trusts;trusts = ApplicationSecurityManager.UserApplicationTrusts; foreach (ApplicationTrust trust in trusts) { Console.WriteLine(trust.ToString());}
• D. ApplicationTrustCollection trusts;trusts = ApplicationSecurityManager.UserApplicationTrusts; foreach (object trust in trusts) { Console.WriteLine(trust.ToString());}

You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. The customer needs to compress an array of bytes. So you are writing a method to compress bytes. The bytes are passed to the method in a parameter named document. The contents of the incoming parameter have to be compressed. Which code segment should you use?

• A. MemoryStream outStream = new MemoryStream();GZipStream zipStream = new GZipStream(outStream, CompressionMode.Compress);zipStream.Write(document, 0, document.Length);zipStream.Close();return outStream.ToArray();
• B. MemoryStream inStream = new MemoryStream(document);GZipStream zipStream = new GZipStream(inStream, CompressionMode.Compress); byte[] result = new byte[document.Length];zipStream.Write(result, 0, result.Length); return result;
• C. MemoryStream inStream = new MemoryStream(document);GZipStream zipStream = new GZipStream(inStream, CompressionMode.Compress); MemoryStream outStream = new MemoryStream();int b;while ((b = zipStream.ReadByte()) != -1) { outStream.WriteByte((byte)b);} return outStream.ToArray();
• D. MemoryStream stream = new MemoryStream(document);GZipStream zipStream = new GZipStream(stream, CompressionMode.Compress);zipStream.Write(document, 0, document.Length);zipStream.Close();return stream.ToArray();

You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now according to the customer requirement, you create a Web Form to which you add the following CreateUserWizard server control.
<asp:CreateUserWizard runat="server" ID="CU1" FinishCompleteButtonText="Continue">
<WizardSteps>
<asp:CreateUserWizardStep ID="CWS1" Runat="server" Title="New Account"/>
<asp:WizardStep ID="CWS2" Title="More Info" StepType="Step">
Given Name:<asp:TextBox runat="server" ID="txtGivenName" />
Last Surname:<asp:TextBox runat="server" ID="txtSurname" />
</asp:WizardStep>
<asp:CompleteWizardStep ID="CWS3" Runat="server" Title="Complete"/>
</WizardSteps> </asp:CreateUserWizard>
Now you have to write the segment code. After users click the Continue button on the last page, the code should redirect users to the first page of the wizard. In the options below, which code segment should you use?

• A. void CU1_FinishButtonClick(object sender, WizardNavigationEventArgs e) { CU1.ActiveStepIndex = 1;}
• B. void CU1_ContinueButtonClick(object sender, EventArgs e) { CU1.ActiveStepIndex = 1;}
• C. void CU1_NextButtonClick(object sender, WizardNavigationEventArgs e) { CU1.ActiveStepIndex = 0;}
• D. void CU1_ContinueButtonClick(object sender, EventArgs e) { CU1.ActiveStepIndex = 0;}