NEW QUESTION 1

You plan to create an application for your company. The application will run automated routines and write the results to a text-based log file. Little or no user interaction is required.
Security requirements on the host computers prevent you from running applications on startup, and users must be able to see the status easily on the screen. The host computers also have limited memory and monitors that display only two colors. These computers will have no network connectivity.
Which type of application should you use for this environment?

• A. Directx
• B. Windows Service
• C. console-based
• D. Windows Store app

Answer: C

Explanation:
Building Console Applications
Applications in the .NET Framework can use the System.Console class to read characters from and write characters to the console. Data from the console is read from the standard input stream, data to the console is written to the standard output stream, and error data to the console is written to the standard error output stream.

NEW QUESTION 2

This question requires that you evaluate the underlined text to determine if it is correct. To improve performance, a SQL SELECT statement should use indexes.
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. joins
• C. grouping
• D. ordering

Answer: A

NEW QUESTION 3

You execute the following code.

What will the variable result be?

• A. 1
• B. 2
• C. 3
• D. 4

Answer: :B

NEW QUESTION 4

You need to group all the style settings into a separate file that can be applied to all the pages in a Web application.
What should you do?

• A. Use a Cascading Style Sheet (CSS).
• B. Use inline styles.
• C. Use an Extensible Markup Language (XML) schema.
• D. Use a WebKit.

Answer: A

Explanation:
Cascading Style Sheets (CSS) is a style sheet language used for describing the look and formatting of a document written in a markup language.
CSS is designed primarily to enable the separation of document content from document presentation, including elements such as the layout, colors, and fonts.

NEW QUESTION 5

The throw keyword is used to perform which two actions? (Choose two.)

• A. stop processing of the code
• B. move error handling to a separate thread
• C. raise exceptions
• D. re-throw exceptions as a different type

Answer: CD

Explanation:
* The Throw statement throws an exception that you can handle with structured exception-handling code (Try...Catch...Finally) or unstructured exception- handling code (On Error GoTo). You can use the Throw statement to trap errors within your code because Visual Basic moves up the call stack until it finds the appropriate exception- handling code.
* This example throws an ApplicationException exception. Throw New ApplicationException

NEW QUESTION 6

Which type of Windows application presents a parent window that contains child windows?

• A. Application programming interface (API)
• B. Single-document interface (SDI)
• C. Multiple-document interface (MDI)
• D. Command-line interface (CLI)

Answer: C

Explanation:
A multiple document interface (MDI) is a graphical user interface in which multiple windows reside under a single parent window. Such systems often allow child windows to embed other windows inside them as well, creating complex nested hierarchies. This contrasts with single document interfaces (SDI) where all windows are independent of each other.

NEW QUESTION 7

You are migrating several HTML pages to your website. Many of these pages contain HTML <center> and <font> tags.
Which XHTML document type declaration should you use?

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

Answer: C

Explanation:
The <!DOCTYPE> declaration is not an HTML tag; it is an instruction to the web browser about what version of HTML the page is written in.
XHTML 1.0 Transitional
This DTD contains all HTML elements and attributes, INCLUDING presentational and deprecated elements (like font). Framesets are not allowed. The markup must also be written as well-formed XML.
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

NEW QUESTION 8

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

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

Answer: C

NEW QUESTION 9

This question requires that you evaluate the underlined text to determine if it is correct.
To minimize the amount of storage used on the hard drive by an application that generates many small files, you should make the partition as small as possible.
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. file allocation table
• C. block size
• D. folder and file names

Answer: C

NEW QUESTION 10

Which three are valid SQL keywords? (Choose three.)

• A. GET
• B. WHAT
• C. FROM
• D. SELECT
• E. WHERE

Answer: CDE

Explanation:
Example: SELECT * FROM Customers WHERE Country='Mexico';

NEW QUESTION 11
HOTSPOT
You are developing a web application.
You need to create the following graphic by using Cascading Style Sheets (CSS):

Use the drop-down menus to select the answer choice that completes each statement. Each correct selection is worth one point.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:

NEW QUESTION 12

You are creating an application that presents the user with a Windows Form. Which event is triggered each time the Windows Form receives focus?

• A. Load
• B. Enter
• C. Activated
• D. paint

Answer: B

Explanation:
When you change the focus by using the mouse or by calling the Focus method, focus events of the Control class occur in the following order:
Enter GotFocus LostFocus Leave Validating Validated

NEW QUESTION 13

In this XHTML code sample, what will cause an error?

• A. All tags are not in uppercase.
• B. The body tag is missing a background attribute.
• C. The line break tag is incorrectly formatted.
• D. The HTML tags do not read XHTML.

Answer: C

Explanation:
In XHTML, the <br> tag must be properly closed, like this: <br />.

NEW QUESTION 14

What are the three basic states that a Windows service can be in? (Choose three.)

• A. running
• B. starting
• C. halted
• D. stopped
• E. paused

Answer: BDE

Explanation:
A service can exist in one of three basic states: Running, Paused, or Stopped.

NEW QUESTION 15

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. double
• C. byte
• D. float

Answer: B

Explanation:
The double keyword signifies a simple type that stores 64-bit floating-point values.
Precision: 15-16 digits
Incorrect:
Not D: The float keyword signifies a simple type that stores 32-bit floating-point values. Precision: 7 digits

NEW QUESTION 16

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

Answer: C

NEW QUESTION 17

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. client-side
• B. batch processing
• C. server-side
• D. multithreaded

Answer: C

Explanation:
For room availability we need to check a database located on a server.

NEW QUESTION 18

You are creating a database for a student directory. The Students table contains the following fields:

Which statement will retrieve only the first name, last name, and telephone number for every student listed in the directory?

• A. WHERE Students SELECT *
• B. SELECT firstName, lastName, telephoneNumber FROM Students
• C. SELECT firstName, lastName, telephoneNumber IN Students
• D. SELECT * FROM Students
• E. WHERE Students SELECT firstName, lastName, telephoneNumber

Answer: B

Explanation:
Use SELECT??FROM and list the fields you want to retrieve.

NEW QUESTION 19
HOTSPOT
You are reviewing the following code that saves uploaded images.

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 20

This question requires that you evaluate the underlined text to determine if it is correct.
The bubble sort algorithm steps through the list to be sorted, comparing adjacent items and swapping them if they are in the wrong order
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. merge
• C. library
• D. insertion

Answer: :A

NEW QUESTION 21
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 22

This question requires that you evaluate the underlined text to determine if it is correct.
A piece of text that is 4096 bytes or smaller and is stored on and retrieved from the client computer to maintain state is known as a ViewState.
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. cookie
• C. form post
• D. QueryString

Answer: B

Explanation:
A piece of text that is 4096 bytes or smaller and is stored on and retrieved from the client computer to maintain state is known as a Cookie.

NEW QUESTION 23

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 reorders the records numerically.
• C. It speeds up query execution.
• D. It minimizes storage requirements.

Answer: C

Explanation:
Faster to access an index table.

NEW QUESTION 24

Which three phrases are advantages of connection pooling? (Choose three.)

• A. reduces load on the server
• B. improved performance
• C. reduces time to create a connection
• D. requires no configuration
• E. improved scalability

Answer: BCE

Explanation:
B: In connection pooling, after a connection is created, it is placed in the pool and it is used over again so that a new connection does not have to be established.
E: Connection pooling often improves application performance, concurrency and scalability.
C: Connection pooling also cuts down on the amount of time a user must wait to establish a connection to the database.

NEW QUESTION 25
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