Microsoft UPGRADE: MCAD Skills to MCTS Web Apps Using MS.NET Framework : 70-559

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Microsoft 70-559 Exam Syllabus Topics:

Microsoft UPGRADE: MCAD Skills to MCTS Web Apps Using MS.NET Framework Sample Questions:

1. You have just graduated from college,now you are serving the internship as the software developer in an international company. There,s an array of bytes that is passed to the method in a parameter named document. You are writing a method to compress the array.now according to the manager requirements, you have to compress the contents of the incoming parameter. In the options below, which code segment should you use?

A) Dim inStream As New MemoryStream(document)Dim zipStream As New GZipStream( _inStream, CompressionMode.Compress)Dim result(document.Length) As BytezipStream.Write(result, 0, result.Length)Return result
B) Dim outStream As New MemoryStreamDim zipStream As New GZipStream( _outStream, CompressionMode.Compress)zipStream.Write(document, 0, document.Length)zipStream.Close()Return outStream.ToArray
C) Dim objStream As New MemoryStream(document)Dim zipStream As New GZipStream( _ objStream, CompressionMode.Compress)zipStream.Write(document, 0, document.Length)zipStream.Close()Return objStream.ToArray
D) Dim objStream As New MemoryStream(document)Dim zipStream As New GZipStream( _objStream, CompressionMode.Compress)Dim outStream As New MemoryStreamDim b As IntegerWhile (b = zipStream.ReadByte)outStream.WriteByte(CByte(b))End WhileReturn outStream.ToArray

2. 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 which calls a method as part of its processing. It takes a long time for the method to process. Besides this, you notice that the other Web Forms in the ASP.NET Web site are now processing slowly. You have to execute the long running method in parallel to other requests to reduce the page response times. So what should you do?

A) You have to set the CompilationMode attribute to Always inside the page directive of the Web Form that calls the method.
B) You have to call the method by using the BeginGetAysncData and EndGetAsyncData delegates.
C) You have to call the method within the PreInit and PreRenderComplete page events.
D) You have to set the Async attribute to True inside the page directive of the Web Form that calls the method.

3. You work as the developer in an IT company. Recently your company has a big client. The client runs a large supermarket chain. According to the business requirement, the client needs a method to clear a Queue named q. Your company asks you to serve this client. You have to create the method for the client. In the options below, which code segment should you use?

A) foreach (object e in q) { q.Dequeue();}
B) foreach (object e in q) { Enqueue(null);}
C) q.Clear();
D) q.Dequeue();

4. You work as the developer in an IT company. Recently your company has a big client. The clients asks you to develop a dictionary by using the Microsoft .NET Framework. You have to define the custom-dictionary class. You name it myDic. This dictionary must be type safe. Which should you use?

A) class MyDic : HashTable
B) class MyDic : Dictionary<string, string>
C) class MyDic : IDictionary
D) class MyDic { ... }
Dictionary<string, string> t =
new Dictionary<string, string>(); MyDic dictionary = (MyDic)t;

5. 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 you are creating an application. No body can run the application except members of the Administrator group are allowed to run it by using the credentials of the end user. You protect sensitive data within the application by writing the following security code.
bool isAdmin = false;
WindowsBuiltInRole role = WindowsBuiltInRole.Administrator;
...
if (!isAdmin)
throw new Exception("User not permitted");
In order to make sure that if a user who is not a member of the Administrator group runs the apllication, the application throws an exception, a code segment should be added to this security code.
In the options below, which code segment should you use?

A) WindowsPrincipal currentUser = (WindowsPrincipal)Thread.CurrentPrincipal;isAdmin = currentUser.IsInRole(role);
B) WindowsIdentity currentUser = WindowsIdentity.GetCurrent();foreach (IdentityReference grp in currentUser.Groups) { NTAccount grpAccount = ((NTAccount)grp.Translate(typeof(NTAccount))); isAdmin = grp.Value.Equals(role); if (isAdmin) break;}
C) GenericPrincipal currentUser = (GenericPrincipal) Thread.CurrentPrincipal;isAdmin = currentUser.IsInRole(role.ToString());
D) WindowsIdentity currentUser = (WindowsIdentity)Thread.CurrentPrincipal.Identity;isAdmin = currentUser.Name.EndsWith("Administrator");

Solutions: