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Q1. - (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: B 

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. 


Q2. DRAG DROP - (Topic 2) 

You write the following code. 

You need to get the list of all the types defined in the assembly that is being executed currently. 

How should you complete the code? To answer, drag the appropriate code elements to the correct targets in the answer area. Each code element 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: 


Q3. - (Topic 1) 

You are developing code for a class named Account. The Account class includes the following method: 

You need to ensure that overflow exceptions are thrown when there is an error. Which type of block should you use? 

A. checked 

B. try 

C. using 

D. unchecked 

Answer: A 


Q4. HOTSPOT - (Topic 1) 

You are reviewing the following code: 

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

Answer: 


Q5. - (Topic 2) 

You need to write a method that combines an unknown number of strings. The solution must minimize the amount of memory used by the method when the method executes. 

What should you include in the code? 

A. The String.Concat method 

B. The StringBuilder.Append method 

C. The + operator 

D. The += operator 

Answer: A 

Explanation: A: String.Concat Method Concatenates one or more instances of String, or the String representations of the values of one or more instances of Object. 


Q6. - (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. collect() 

D. RemoveMemoryPressure() 

Answer: B 


Q7. HOTSPOT - (Topic 2) 

You are developing the following classes named: 

Class1 

Class2 

Class3 

All of the classes will be part of a single assembly named Assembly.dll. Assembly.dll will be used by multiple applications. 

All of the classes will implement the following interface, which is also part ofAssembly.dll: 

public interface Interface1 { void Method1(decimal amount); void Method2(decimal amount); } 

You need to ensure that the Method2 method for the Class3 class can be executed only when instances of the class are accessed through the Interface1 interface. The solution must ensure that calls to the Method1 method can be made either through the interface or through an instance of the class. 

Which signature should you use for each method? (To answer, select the appropriate signature for each method in the answer area.) 

Answer: 


Q8. - (Topic 2) 

You are developing an assembly. 

You plan to sign the assembly when the assembly is developed. 

You need to reserve space in the assembly for the signature. 

What should you do? 

A. Run the Assembly Linker tool from the Windows Software Development Kit (Windows SDK). 

B. Run the Strong Name tool from the Windows Software Development Kit (Windows SDK). 

C. Add the AssemblySignatureKeyAttribute attribute the assembly. 

D. Add the AssemblyDelaySignAttribute attribute to the assembly. 

Answer: D 


Q9. DRAG DROP - (Topic 2) 

You have the following code. 

You need to return all of the products and their associated categories. 

How should you complete the code? To answer, drag the appropriate code elements to the correct targets in the answer area. Each code element 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: 


Q10. - (Topic 1) 

You are developing an application that accepts the input of dates from the user. 

Users enter the date in their local format. The date entered by the user is stored in a string variable named inputDate. The valid date value must be placed in a DateTime variable named validatedDate. 

You need to validate the entered date and convert it to Coordinated Universal Time (UTC). The code must not cause an exception to be thrown. 

Which code segment should you use? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: A 

Explanation: 

AdjustToUniversal parses s and, if necessary, converts it to UTC. Note: The DateTime.TryParse method converts the specified string representation of a date and time to its DateTime equivalent using the specified culture-specific format information and formatting style, and returns a value that indicates whether the conversion succeeded.