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Software Development Fundamentals

 

QUESTION 91

When a web service is referenced from a client application in Microsoft Visual Studio, which two items are created? (Choose two.)

 

A.

a stub

B.

a.wsdl file

C.

a proxy

D.

a .disco file

 

Correct Answer: BD

Explanation:

A .wsdl file that references the Web service is created, together with supporting files, such as discovery (.disco and .discomap) files, that include information about where the Web service is located.

 

 

QUESTION 92

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.

0

B.

4

C.

5

D.

False

E.

Null

F.

True

 

Correct Answer: D

Explanation:

A>B is false.

 

 

 

 

 

QUESTION 93

You have a class named Glass that inherits from a base class named Window. The Window class includes a protected method named break(). How should you call the Glass class implementation of the break() method?

 

A.

Window.break();

B.

Glass.break();

C.

this.break();

D.

base.break();

 

Correct Answer: A

 

 

QUESTION 94

You are creating an ASP. NET Web application. Which line of code should you use to require a control to process on the computer that hosts the application?

 

A.

defaultRedirect=”ServerPage. htm”

B.

redirect=”HostPage. htm”

C.

AutoEvencWireup=”true”

D.

runat=”server”

 

Correct Answer: D

 

 

QUESTION 95

You are creating a Web application. The application will be consumed by client computers that run a variety of Web browsers.

 

Which term is used to describe the process of making the application available for client computers to access?

 

A.

Casting

B.

Deploying

C.

Hosting

D.

Virtualization

 

Correct Answer: C

Explanation:

You host web applications.

 

 

QUESTION 96

You are creating an application that accepts input and displays a response to the user. You cannot create a graphical interface for this application. Which type of application should you create?

 

A.

Windows Forms

B.

Windows Service

C.

Web-based

D.

Console-based

 

Correct Answer: C

QUESTION 97

A table named Student has columns named ID, Name, and Age. An index has been created on the ID column. What advantage does this index provide?

 

A.

It reorders the records alphabetically.

B.

It speeds up query execution.

C.

It minimizes storage requirements.

D.

It reorders the records numerically.

 

Correct Answer: B

Explanation:

Faster to access an index table.

 

 

QUESTION 98

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

 

Correct 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.

 

 

QUESTION 99

How many parameters can a default constructor have?

 

A.

0

B.

1

C.

2

D.

3 or more

 

Correct Answer: A

Explanation:

If a class contains no instance constructor declarations, a default instance constructor is automatically provided. That default constructor simply invokes the parameterless constructor of the direct base class.

 

 

QUESTION 100

In the application life cycle, the revision of an application after it has been deployed is referred to as:

 

A.

Unit testing

B.

Integration

C.

Maintenance

D.

Monitoring

 

Correct Answer: C

 

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