Chapter 4

Question 1

The ____ is a worldwide set of interconnected computers, servers, and networks.

Answer 1

internet

Question 2

The ____ is composed of Internet server computers on networks that provide online information in a specific format.

Answer 2

World Wide Web

Question 3

____ allows Web authors to combine text, graphic images, audio, video, and hyperlinks into a single document.

Answer 3

HTML

Question 4

Instructions written in HTML code specify how a local computer’s Web ____ should display the words, pictures, and other elements on a user’s screen.

Answer 4

Browser

Question 5

Most Internet transmissions are based on ____.

Answer 5

Port Number

Question 6

It is estimated that over 100 trillion e-mails are sent annually, increasing at a rate of ____ percent each year.

Answer 6

10

Question 7

The SMTP server listens on port number ____.

Answer 7

25

Question 8

The current version of IMAP is ____.

Answer 8

IMAP4

Question 9

E-mail ____ are documents that are connected to an e-mail message, such as word processing documents, spreadsheets, or pictures.

Answer 9

Attachments

Question 10

____ is a scripting language that does not create standalone applications.

Answer 10

Javascript

Question 11

____ is a complete programming language that can be used to create stand-alone applications.

Answer 11

Java

Question 12

A(n) ____ is a program that does not come from a trusted source.

Answer 12

Unsigned Java Applet

Question 13

Unsigned Java applets run in a security ____, which is like a fence that surrounds the program and keeps it away from private data and other resources on a local computer.

Answer 13

Sandbox

Question 14

____ represent a specific way of implementing ActiveX and are sometimes called ActiveX applications.

Answer 14

Actie x controls

Question 15

ActiveX controls can be invoked from Web pages through the use of a ____ or directly by an HTML command.

Answer 15

Scripting Language

Question 16

Known as ____, the deleted cookie’s unique ID can still be assigned to a new cookie using the data stored in a Flash cookie as a backup.

Answer 16

Respawning

Question 17

____ is a technology that can associate a user’s identity to a public key, in which the user’s public key has been “digitally signed” by a trusted third party.

Answer 17

A digital certificate

Question 18

____ look for specific words and block e-mail messages containing those words.

Answer 18

Spam Filters

Question 19

____ uses graphical images of text in order to circumvent text-based filters.

Answer 19

Image Spam

Question 20

A(n) ____ is a business from which users purchase Internet access.

Answer 20

Internet service provider

Question 21

Most e-mail clients contain a ____ that allows the user to read an e-mail message without actually opening it.

Answer 21

Reading Pane

Question 22

Identifies the program or service that is being requested

Answer 22

Port Number

Question 23

A file used to store user-specific information on the user’s local computer and then retrieve it later

Answer 23

Cookie

Question 24

An HTML element that allows for one HTML document to be embedded inside the main document

Answer 24

iFrame

Question 25

Sent the first e-mail message in 1971

Answer 25

Ray Tomlinson

Question 26

Automatically blocks over 80 different types of file attachments that may contain malware

Answer 26

Microsoft Outlook

Question 27

The standard port for HTTP transmissions

Answer 27

Port 180

Question 28

A list of senders for which the user does not want to receive any e-mail

Answer 28

Blacklist

Question 29

A list of senders for which the user will accept e-mail

Answer 29

Whitelist

Question 30

Helps to protect the user from malicious code that may be embedded in the attachment because scripts and ActiveX controls are disabled during this process

Answer 30

Preview Attachments