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Q91. - (Topic 1) 

You are modifying an application that processes leases. The following code defines the Lease class. (Line numbers are included for reference only.) 

Leases are restricted to a maximum term of 5 years. The application must send a notification message if a lease request exceeds 5 years. 

You need to implement the notification mechanism. 

Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.) 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

F. Option F 

Answer: A,B 


Q92. - (Topic 2) 

You are implementing a method named ProcessData that performs a long-running task. The ProcessData() method has the following method signature: 

public void ProcessData(List<decimal> values, CancellationTokenSource source, CancellationToken token) 

If the calling code requests cancellation, the method must perform the following actions: 

. Cancel the long-running task. 

. Set the task status to TaskStatus.Canceled. You need to ensure that the ProcessData() method performs the required actions. 

Which code segment should you use in the method body? 

A. if (token.IsCancellationRequested) return; 

B. throw new AggregateException(); 

C. token.ThrowIfCancellationRequested(); 

D. source.Cancel(); 

Answer:


Q93. DRAG DROP - (Topic 1) 

You develop an application that displays information from log files when errors occur. The application will prompt the user to create an error report that sends details about the error and the session to the administrator. 

When a user opens a log file by using the application, the application throws an exception and closes. 

The application must preserve the original stack trace information when an exception occurs during this process. 

You need to implement the method that reads the log files. 

How should you complete the relevant code? (To answer, drag the appropriate code segments to the correct locations in the answer area. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.) 

Answer: 


Q94. - (Topic 2) 

You are creating a class library that will be used in a web application. 

You need to ensure that the class library assembly is strongly named. 

What should you do? 

A. Use the csc.exe /target:Library option when building the application. 

B. Use the AL.exe command-line tool. 

C. Use the aspnet_regiis.exe command-line tool. 

D. Use the EdmGen.exe command-line tool. 

Answer:

Explanation: The Windows Software Development Kit (SDK) provides several ways to sign an assembly with a strong name: 

* Using the Assembly Linker (Al.exe) provided by the Windows SDK. 

* Using assembly attributes to insert the strong name information in your code. You can use either the AssemblyKeyFileAttribute or the AssemblyKeyNameAttribute, depending on where the key file to be used is located. 

* Using compiler options such /keyfile or /delaysign in C# and Visual Basic, or the 

/KEYFILE or /DELAYSIGN linker option in C++. (For information on delay signing, see 

Delay Signing an Assembly.) 

Note: 

* A strong name consists of the assembly's identity—it’s simple text name, version number, and culture information (if provided)—plus a public key and a digital signature. It is generated from an assembly file (the file that contains the assembly manifest, which in turn contains the names and hashes of all the files that make up the assembly), using the corresponding private key. Microsoft. Visual Studio. .NET and other development tools provided in the .NET Framework SDK can assign strong names to an assembly. 

Assemblies with the same strong name are expected to be identical. 


Q95. - (Topic 1) 

You are developing an assembly that will be used by multiple applications. 

You need to install the assembly in the Global Assembly Cache (GAC). 

Which two actions can you perform to achieve this goal? (Each correct answer presents a complete solution. Choose two.) 

A. Use the Assembly Registration tool (regasm.exe) to register the assembly and to copy the assembly to the GAC. 

B. Use the Strong Name tool (sn.exe) to copy the assembly into the GAC. 

C. Use Microsoft Register Server (regsvr32.exe) to add the assembly to the GAC. 

D. Use the Global Assembly Cache tool (gacutil.exe) to add the assembly to the GAC. 

E. Use Windows Installer 2.0 to add the assembly to the GAC. 

Answer: D,E 

Explanation: 

There are two ways to deploy an assembly into the global assembly cache: 

Use an installer designed to work with the global assembly cache. This is the preferred option for installing assemblies into the global assembly cache. 

Use a developer tool called the Global Assembly Cache tool (Gacutil.exe), provided by the 

Windows 

Software Development Kit (SDK). 

Note: 

In deployment scenarios, use Windows Installer 2.0 to install assemblies into the global assembly cache. Use the Global Assembly Cache tool only in development scenarios, because it does not provide assembly reference counting and other features provided when using the Windows Installer. 

http://msdn.microsoft.com/en-us/library/yf1d93sz%28v=vs.110%29.aspx 


Q96. - (Topic 1) 

You are developing an application by using C#. 

The application includes an object that performs a long running process. 

You need to ensure that the garbage collector does not release the object's resources until the process completes. 

Which garbage collector method should you use? 

A. WaitForFullGCComplete() 

B. SuppressFinalize() 

C. WaitForFullGCApproach() 

D. WaitForPendingFinalizers() 

Answer:


Q97. HOTSPOT - (Topic 2) 

A developer designs an interface that contains the following code: 

For each of the following statements, select Yes if the statement is true. Otherwise, select No. 

Answer: 


Q98. - (Topic 2) 

You are modifying an existing application that manages employee payroll. The application includes a class named PayrollProcessor. The PayrollProcessor class connects to a payroll database and processes batches of paychecks once a week. 

You need to ensure that the PayrollProcessor class supports iteration and releases database connections after the batch processing completes. 

Which two interfaces should you implement? (Each correct answer presents part of the complete solution. Choose two.) 

A. IEquatable 

B. IEnumerable 

C. IDisposable 

D. IComparable 

Answer: B,C 

Explanation: IEnumerable IDisposable Interface Exposes an enumerator, which supports a simple iteration over a non-generic collection. 

Defines a method to release allocated resources. 

The primary use of this interface is to release unmanaged resources. 


Q99. - (Topic 1) 

You are creating a class named Employee. The class exposes a string property named EmployeeType. The following code segment defines the Employee class. (Line numbers are included for reference only.) 

The EmployeeType property value must be accessed and modified only by code within the Employee class or within a class derived from the Employee class. 

You need to ensure that the implementation of the EmployeeType property meets the requirements. 

Which two actions should you perform? (Each correct answer represents part of the complete solution. Choose two.) 

A. Replace line 05 with the following code segment: protected get; 

B. Replace line 06 with the following code segment: private set; 

C. Replace line 03 with the following code segment: public string EmployeeType 

D. Replace line 05 with the following code segment: private get; 

E. Replace line 03 with the following code segment: protected string EmployeeType 

F. Replace line 06 with the following code segment: protected set; 

Answer: B,E 


Q100. - (Topic 2) 

You are developing an application that includes methods named ConvertAmount and TransferFunds. 

You need to ensure that the precision and range of the value in the amount variable is not lost when the TransferFunds() method is called. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:

Explanation: The double keyword signifies a simple type that stores 64-bit floating-point values. 

The float keyword signifies a simple type that stores 32-bit floating-point values. 

Reference: double (C# Reference)