[Free] 2018(June) Dumps4cert Microsoft 70-483 Dumps with VCE and PDF Download 151-160

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Programming in C#

Question No: 151 – (Topic 2)

You are creating an application that reads from a database.

You need to use different databases during the development phase and the testing phase by using conditional compilation techniques.

What should you do?

  1. Configure the Define TRACE constant setting in Microsoft Visual Studio.

  2. Decorate the code by using the [DebuggerDisplay(quot;Mydebugquot;)] attribute.

  3. Configure the Define DEBUG constant setting in Microsoft Visual Studio.

  4. Disable the strong-name bypass feature of Microsoft .NET Framework in the registry.

Answer: C

Explanation: Use one debug version to connect to the development database, and a standard version to connect to the live database.

Question No: 152 – (Topic 2)

You have an application that accesses a Web server named Server1.

You need to download an image named Imagel.jpg from Server1 and store the image locally as Filel.jpg.

Which code should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C

Question No: 153 DRAG DROP – (Topic 2)

You are creating a method that saves information to a database.

You have a static class named LogHelper. LogHelper has a method named Log to log the exception.

You need to use the LogHelper Log method to log the exception raised by the database server. The solution must ensure that the exception can be caught by the calling method, while preserving the original stack trace.

How should you write the catch block? (Develop the solution by selecting and ordering the required code snippets. You may not need all of the code snippets.)

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Answer:

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Explanation:

Box 1:

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Box 2:

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Box 3: throw;

Box 4:

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Note:

Catch the database exception, log it, and then rethrow it.

* SQLException

An exception that provides information on a database access error or other errors.

Question No: 154 – (Topic 2)

You need to create a method that can be called by using a varying number of parameters. What should you use?

  1. derived classes

  2. interface

  3. enumeration

  4. method overloading

Answer: D

Explanation: Member overloading means creating two or more members on the same type that differ only in the number or type of parameters but have the same name.

Overloading is one of the most important techniques for improving usability, productivity, and readability of reusable libraries. Overloading on the number of parameters makes it possible to provide simpler versions of constructors and methods. Overloading on the parameter type makes it possible to use the same member name for members performing identical operations on a selected set of different types.

Question No: 155 DRAG DROP – (Topic 2)

You are developing a C# application. The application includes a class named Rate. The following code segment implements the Rate class:

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You define a collection of rates named rateCollection by using the following code segment: Collectionlt;Rategt; rateCollection = new Collectionlt;Rategt;() ;

The application receives an XML file that contains rate information in the following format:

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You need to parse the XML file and populate the rateCollection collection with Rate objects.

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.)

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Answer:

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Question No: 156 – (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?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C

Explanation: Simply use float for the TransferFunds parameter.

Note:

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

  • The double keyword signifies a simple type that stores 64-bit floating-point values

Question No: 157 – (Topic 2)

You are developing an application that will be deployed to multiple computers. You set the assembly name.

You need to create a unique identity for the application assembly.

Which two assembly identity attributes should you include in the source code? (Each correct answer presents part of the solution. Choose two.)

  1. AssemblyTitleAttribute

  2. AssemblyCultureAttribute

  3. AssemblyVersionAttribute

  4. AssemblyKeyNameAttribute

  5. AssemblyFileVersion

Answer: B,C

Explanation: The AssemblyName object contains information about an assembly, which you can use to bind to that assembly. An assembly#39;s identity consists of the following:

-> Simple name

-> Version number

-> Cryptographic key pair

-> Supported culture

B: AssemblyCultureAttribute

Specifies which culture the assembly supports.

The attribute is used by compilers to distinguish between a main assembly and a satellite assembly. A main assembly contains code and the neutral culture#39;s resources. A satellite assembly contains only resources for a particular culture, as in [assembly:AssemblyCultureAttribute(quot;dequot;)]

C: AssemblyVersionAttribute

Specifies the version of the assembly being attributed.

The assembly version number is part of an assembly#39;s identity and plays a key part in binding to the assembly and in version policy.

Question No: 158 – (Topic 2)

You are developing an application in C#.

The application uses exception handling on a method that is used to execute mathematical calculations by using integer numbers.

You write the following catch blocks for the method (line numbers are included for reference only):

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You need to add the following code to the method:

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At which line should you insert the code?

  1. 01

  2. 03

  3. 05

  4. 07

Answer: A

Question No: 159 – (Topic 2)

You need to write a console application that meets the following requirements:

-> If the application is compiled in Debug mode, the console output must display Entering debug mode.

-> If the application is compiled in Release mode, the console output must display

Entering release mode.

Which code should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: D

Explanation: #elif lets you create a compound conditional directive. The #elif expression will be evaluated if neither the preceding #if (C# Reference) nor any preceding, optional,

#elif directive expressions evaluate to true. If a #elif expression evaluates to true, the compiler evaluates all the code between the #elif and the next conditional directive. For example:

#define VC7

//…

#if debug Console.Writeline(quot;Debug buildquot;);

#elif VC7

Console.Writeline(quot;Visual Studio 7quot;);

#endif

Incorrect: Not B:

  • System.Reflection.Assembly.GetExecutingAssembly Method

    Gets the assembly that contains the code that is currently executing.* Assembly.IsDefined Method

    Indicates whether or not a specified attribute has been applied to the assembly.

  • System.Dignostics.Debugger Class Enables communication with a debugger.

Property: IsAttached

Gets a value that indicates whether a debugger is attached to the process.

Question No: 160 – (Topic 2)

You are modifying an existing banking application.

The application includes an Account class and a Customer class. The following code segment defines the classes.

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You populate a collection named customerCollection with Customer and Account objects by using the following code segment:

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You create a largeCustomerAccounts collection to store the Account objects by using the following code segment:

Collectionlt;Accountgt; largeCustomerAccounts = new Collectionlt;Accountgt; ();

All accounts with a Balance value greater than or equal to 1,000,000 must be tracked. You need to populate the largeCustomerAccounts collection with Account objects.

Which code segment should you use?

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  1. Option A

  2. Option B

  3. Option C

  4. Option D

Answer: C

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