Download New Updated (June) Microsoft 70-483 Practice Test 11-20

Ensurepass

 

QUESTION 11

An application includes a class named Person. The Person class includes a method named GetData. You need to ensure that the GetData() method can be used only by the Person class or a class derived from the Person class. Which access modifier should you use for the GetData() method?

 

A.

Internal

B.

Protected

C.

Private

D.

Protected internal

E.

Public

 

Correct Answer: B

Explanation:

The protected keyword is a member access modifier. A protected member is accessible within its class and by derived class instances.

QUESTION 12

You are developing an application by using C#. The application includes the following code segment. (Line numbers are included for reference only.)

 

clip_image002

 

The DoWork() method must not throw any exceptions when converting the obj object to the IDataContainer interface or when accessing the Data property.

 

You need to meet the requirements. Which code segment should you insert at line 07?

 

A.

var dataContainer = (IDataContainer)obj;

B.

dynamic dataContainer = obj;

C.

var dataContainer = obj is IDataContainer;

D.

var dataContainer = obj as IDataContainer;

 

Correct Answer: D

 

 

QUESTION 13

You are creating an application that manages information about zoo animals. The application includes a class named Animal and a method named Save.

 

The Save() method must be strongly typed. It must allow only types inherited from the Animal class that uses a constructor that accepts no parameters.

 

You need to implement the Save() method.

 

Which code segment should you use?

 

clip_image004

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: C

 

 

QUESTION 14

DRAG DROP

You are developing a class named ExtensionMethods. You need to ensure that the ExtensionMethods class implements the IsUrl() method on string 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.)

 

clip_image006

 

Correct Answer:

clip_image008

 

 

QUESTION 15

You are developing an application. The application includes classes named Employee and Person and an interface named IPerson.

 

The Employee class must meet the following requirements:

 

clip_image010It must either inherit from the Person class or implement the IPerson interface.

clip_image010[1]It must be inheritable by other classes in the application.

 

You need to ensure that the Employee class meets the requirements.

 

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

 

clip_image012

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: BD

 

 

QUESTION 16

You are developing an application that will convert data into multiple output formats.

 

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

 

clip_image014

 

You are developing a code segment that will produce tab-delimited output. All output routines implement the following interface:

 

clip_image016

 

You need to minimize the completion time of the GetOutput() method. Which code segment should you insert at line 06?

 

clip_image017

 

A.

Option A

B.

Option B

C.

Option C

D.

Option D

 

Correct Answer: B

 

 

 

 

 

 

 

QUESTION 17

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.

ReRegisterForFinalize()

B.

SuppressFinalize()

C.

Collect()

D.

WaitForFullGCApproach()

 

Correct Answer: B

 

 

QUESTION 18

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.)

 

clip_image019

 

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 c
orrect answer represents part of the complete solution.)

 

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;

 

Correct Answer: E

 

 

QUESTION 19

You are implementing a method named Calculate that performs conversions between value types and reference types. The following code segment implements the method.

(Line numbers are included for reference only.)

 

clip_image021

 

You need to ensure that the application does not throw exceptions on invalid conversions.

Which code segment should you insert at line 04?

 

A.

int balance = (int) (float)amountRef;

B.

int balance = (int)amountRef;

C.

int balance = amountRef;

D.

int balance = (int) (double) amountRef;

 

Correct Answer: B

 

 

QUESTION 20

You are creating a console application by using C#. You need to access the application assembly. Which code segment should you use?

 

A.

Assembly.GetAssembly(this);

B.

this.GetType();

C.

Assembly.Load();

D.

Assembly.GetExecutingAssembly();

 

Correct Answer: D

 

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