Download New Updated (June) Microsoft 70-483 Practice Test 111-120

Ensurepass

 

QUESTION 111

You are developing an application that includes the following code segment. (Line numbers are included for reference only.)

 

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You need to ensure that the DoWork(Widget widget) method runs.

 

With which code segment should you replace line 24?

 

A.

DoWork((Widget)o);

B.

DoWork(new Widget(o));

C.

DoWork(o is Widget);

D.

DoWork((ItemBase)o);

 

Correct Answer: A

 

 

 

 

 

 

 

 

QUESTION 112

An application uses X509 certificates for data encryption and decryption. The application stores certificates in the Personal certificates collection of the Current User store. On each computer, each certificate subject is unique.

 

The application includes a method named LoadCertificate. The LoadCertificate() method includes the following code. (Line numbers are included for reference only.)

 

clip_image004

 

The LoadCertificate() method must load only certificates for which the subject exactly matches the searchValue parameter value.

 

You need to ensure that the LoadCertificate() method loads the correct certificates.

 

Which code segment should you insert at line 06?

 

clip_image006

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: D

 

 

 

 

 

 

 

 

 

QUESTION 113

You are developing a class named Scorecard. The following code implements the Scorecard class. (Line numbers are included for reference only.)

 

clip_image008

 

You create the following unit test method to test the Scorecard class implementation:

 

clip_image010

 

You need to ensure that the unit test will pass.

 

What should you do?

 

clip_image012

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: A

 

 

QUESTION 114

You are developing an application that will parse a large amount of text. You need to parse the text into separate lines and minimize memory use while processing data. Which object type should you use?

 

A.

DataContractSerializer

B.

StringBuilder

C.

StringReader

D.

JsonSerializer

 

Correct Answer: C

 

 

QUESTION 115

You are developing code for an application that retrieves information about Microsoft .NET Framework assemblies.

 

The following code segment is part of the application (line numbers are included for reference only):

 

clip_image014

 

You need to insert code at line 04. The code must load the assembly. Once the assembly is loaded, the code must be able to read the assembly metadata, but the code must be denied access from executing code from the assembly.

 

Which code segment should you insert at line 04?

 

A.

Assembly.ReflectionOnlyLoadFrom(bytes);

B.

Assembly.ReflectionOniyLoad(bytes);

C.

Assembly.Load(bytes);

D.

Assembly.LoadFrom(bytes);

 

Correct Answer: B

 

 

QUESTION 116

You are developing a method named GenerateHash that will create the hash value for a file. The method includes the following code. (Line numbers are included for reference only.)

 

clip_image016

 

You need to return the cryptographic hash of the bytes contained in the fileBuffer variable.

 

Which code segment should you insert at line 05?

 

clip_image017

 

A.

Option A

B.

Option B< /font>

C.

Option C

D.

Option D

 

Correct Answer: D

 

 

QUESTION 117

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

 

Correct Answer: BC

Explanation:

B: IEnumerable

C: 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.

 

 

 

 

 

 

 

 

 

 

QUESTION 118

You are developing an application that will read data from a text file and display the file contents. You need to read data from the file, display it, and correctly release the file resources. Which code segment should you use?

 

clip_image019

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: A

QUESTION 119

DRAG DROP

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.)

 

clip_image021

 

Correct Answer:

clip_image023

QUESTION 120

HOTSPOT

You have the following code:

 

clip_image025

 

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

 

clip_image027

 

Correct Answer:

clip_image029

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