NEW QUESTION 1

You are creating an application for a priority help desk center. The most recent call must be handled first.
Which data structure should you use?

• A. queue
• B. hashtable
• C. stack
• D. binary tree

Answer: C

Explanation:
In computer science, a stack is a particular kind of abstract data type or collection in which the principal (or only) operations on the collection are the addition of an entity to the collection, known as push and removal of an entity, known as pop. The relation between the push and pop operations is such that the stack is a Last-In-First-Out (LIFO)
data structure. In a LIFO data structure, the last element added to the structure must be the first one to be removed.

NEW QUESTION 2
DRAG DROP
You are developing an application to display track and field race results.
The application must display the race results twice. The first time it must display only the winner and runner-up. The second time it must display all participants. The code used to display results is shown below.

You need to implement the Rankings() function.
Complete the function to meet the requirements. {To answer, drag the appropriate code segment from the column on the left to its location on the right. Each code segment may be used once, more than once, or not at all. Each correct match is worth one point.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 3

The Dog class and the Cat class inherit from the Animal class. The Animal class includes a breathe() method and a speak() method. If the speak() method is called from an object of
type Dog, the result is a bark. If the speak() method is called from an object of type Cat, the result is a meow.
Which term is used to describe this object-oriented concept?

• A. multiple inheritance
• B. encapsulation
• C. polymorphism
• D. data hiding

Answer: C

Explanation:
Polymorphism is often referred to as the third pillar of object-oriented programming, after encapsulation and inheritance. Polymorphism is a Greek word that means "many-shaped" and it has two distinct aspects:
* At run time, objects of a derived class may be treated as objects of a base class in places such as method parameters and collections or arrays. When this occurs, the object's declared type is no longer identical to its run-time type.
* Base classes may define and implement virtual methods, and derived classes can override them, which means they provide their own definition and implementation. At run- time, when client code calls the method, the CLR looks up the run-time type of the object, and invokes that override of the virtual method. Thus in your source code you can call a method on a base class, and cause a derived class's version of the method to be executed.

NEW QUESTION 4
HOTSPOT
For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 5

All objects in .NET inherit from which item?

• A. a reference type
• B. the System.Type class
• C. a value type
• D. the System.Object class

Answer: D

Explanation:
The System.Object class supports all classes in the .NET Framework class hierarchy and provides low-level services to derived classes. This is the ultimate base class of all classes in the .NET Framework; it is the root of the type hierarchy.

NEW QUESTION 6

This question requires that you evaluate the underlined text to determine if it is correct. Converting an object to a more general type is called upcasting.
Select the correct answer if the underlined text does not make the statement correct. Select "No change is needed'' if the underlined text makes the statement correct.

• A. No change is needed
• B. downcasting
• C. interfacing
• D. flexing

Answer: A

Explanation:
Casting up a hierarchy means casting from a derived object reference to a base object reference.

NEW QUESTION 7

This question requires that you evaluate the underlined text to determine if it is correct. The default entry point for a console application is the Class method.
Select the correct answer if the underlined text does not make the statement correct. Select "No change is needed'' if the underlined text makes the statement correct.

• A. No change is needed
• B. Main
• C. Program
• D. Object

Answer: B

Explanation:
The default entry point for a console application is the Class Main.

NEW QUESTION 8

In your student directory database, the Students table contains the following fields:
firstName lastName emailAddress telephoneNumber
You need to retrieve the data from the firstName, lastName, and emailAddress fields for all students listed in the directory. The results must be in alphabetical order according to lastName and then firstName.
Which statement should you use?

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Answer: D

Explanation:
to sort use: ORDER BY LastName, FirstName

NEW QUESTION 9

You are reviewing a design for a database. A portion of this design is shown in the exhibits. Note that you may choose either the Crow's Foot Notation or Chen Notation version of the design. (To view the Crow's Foot Notation, click the Exhibit A button. To view the Chen Notation, click the Exhibit B button. )


Which term is used to describe the Customer component?

• A. Field
• B. Entity
• C. Property
• D. Attribute

Answer: B

Explanation:
Customer is a table (entity).

NEW QUESTION 10

Class C and Class D inherit from Class B. Class B inherits from Class A. The classes have the methods shown in the following table.

All methods have a protected scope.
Which methods does Class C have access to?

• A. only m3, m4
• B. only m2, m3
• C. only ml, m3
• D. m1, m3, m3
• E. m2, m3, m4
• F. m1, m2, m3

Answer: F

NEW QUESTION 11

Which two types of information should you include in an effective test case? (Choose two.)

• A. any pre-conditions necessary to test the case
• B. the expected result from testing the case
• C. multiple actions combined as a single step to test the case
• D. the stakeholders who originated the test case

Answer: BC

Explanation:
You can create manual test cases using Microsoft Test Manager that have both action and validation test steps. You can also share a set of common test steps between multiple test cases called shared steps. This simplifies maintenance of test steps
if your application under test changes.

NEW QUESTION 12

You are creating the necessary variables for an application. The data you will store in these variables has the following characteristics:
✑ Consists of numbers
✑ Includes numbers that have decimal points
✑ Requires more than seven digits of precision
You need to use a data type that will minimize the amount of memory that is used. Which data type should you use?

• A. Decimal
• B. Single
• C. Byte
• D. Double

Answer: D

Explanation:
The double keyword signifies a simple type that stores 64-bit floating-point values.
Precision: 15-16 digits

NEW QUESTION 13

You are designing a Windows Store application.
You need to design the application so that users can share content by connecting two or more devices by physically tapping the devices together.
Which user experience (UX) guideline for Windows Store applications should you use?

• A. share and data exchange
• B. device-awareness
• C. location-awareness
• D. proximity gestures

Answer: A

NEW QUESTION 14
DRAG DROP
You are developing an application that displays a list of race results. The race results are stored in the following class:

You need to implement the Add Race method.
Match the code segment to its location. (To answer, drag the appropriate code segment from the column on the left to its location on the right, Each code segment may be used once, more than once, or not at all. Each correct match is worth one point.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 15

The purpose of the Finally section in an exception handler is to:

• A. Execute code only when an exception is thrown.
• B. Break out of the error handler.
• C. Execute code regardless of whether an exception is thrown.
• D. Conclude the execution of the application.

Answer: C

Explanation:
By using a finally block, you can clean up any resources that are allocated in a try block, and you can run code even if an exception occurs in the try block. Typically, the statements of a finally block run when control leaves a try statement. The transfer of control can occur as a result of normal execution, of execution of a break, continue, goto, or return statement, or of propagation of an exception out of the try statement.

NEW QUESTION 16

You have a website that includes a form for usemame and password.
You need to ensure that users enter their username and password. The validation must work in all browsers.
Where should you put the validation control?

• A. in the Web.config file
• B. in the server-side code only
• C. in the client-side code only
• D. in both the client-side code and the server-side code

Answer: D

Explanation:
From version 2.0 on, ASP.NET recognized the JavaScript capabilities of these browsers, so client-side validation is now available to all modern browsers, including Opera, Firefox, and others. Support is even better now in ASP.NET 4.0. That said, it??s important not to forget that JavaScript can be disabled in any browser, so client-side validation cannot be relied upon??we must always validate any submitted data on the server.

NEW QUESTION 17

How should you configure an application to consume a Web service?

• A. Add the Web service to the development computer.
• B. Add a reference to the application in the Web service.
• C. Add a reference to the Web service in the application.
• D. Add the Web service code to the application.

Answer: C

Explanation:
Start by adding a Service Reference to the project. Right-click the ConsoleApplication1 project and choose ??Add Service Reference??:

NEW QUESTION 18

You are creating an application for computers that run Windows XP or later. This application must run after the computer starts. The user must not be aware that the application is running.
The application performs tasks that require permissions that the logged-in user does not have.
Which type of application allows this behavior?

• A. Windows Forms application
• B. DOS batch file
• C. Terminate-and-stay-resident (TSR) program
• D. Windows Service application

Answer: D

NEW QUESTION 19

You are writing a Web application that processes room reservation requests. You need to verify that the room that a guest has selected is not already reserved by another guest.
Which type of programming should you use to determine whether the room is still available when the request is made?

• A. functional
• B. in-browser
• C. dynamic
• D. server-side

Answer: :D

NEW QUESTION 20

You need to evaluate the following expression:
(A>B) AND (C<D)
What is the value of this expression if A=3, B=4, C=4, and D=5?

• A. 4
• B. 5
• C. False
• D. Null
• E. True

Answer: D

Explanation:
A>B is false.

NEW QUESTION 21

The purpose of a constructor in a class is to:

• A. Initialize an object of that class.
• B. Release the resources that the class holds.
• C. Create a value type.
• D. Inherit from the base class.

Answer: A

Explanation:
Each value type has an implicit default constructor that initializes the default value of that type.

NEW QUESTION 22

Which type of function can a derived class override?

• A. A Protected Overridable member function
• B. A Shared function
• C. A Private Overridable function
• D. A non-overridable public member function

Answer: A

Explanation:
The Overridable modifier allows a property or method in a class to be overridden in a derived class.
You cannot specify Overridable oNr otOverridable for aPrivate method.

NEW QUESTION 23

A data warehouse database is designed to:

• A. Require validation of incoming data during real-time business transactions.
• B. Enable business decisions by collecting, consolidating, and organizing data.
• C. Support real-time business operations.
• D. Support a large number of concurrent users.

Answer: B

NEW QUESTION 24

You execute the following code.

How many times will the word Hello be printed?

• A. 5
• B. 6
• C. 10
• D. 12

Answer: B

NEW QUESTION 25
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