Chapter 4 Flashcards
The ____ is a worldwide set of interconnected computers, servers, and networks.
internet
The ____ is composed of Internet server computers on networks that provide online information in a specific format.
World Wide Web
____ allows Web authors to combine text, graphic images, audio, video, and hyperlinks into a single document.
HTML
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.
Browser
Most Internet transmissions are based on ____.
Port Number
It is estimated that over 100 trillion e-mails are sent annually, increasing at a rate of ____ percent each year.
10
The SMTP server listens on port number ____.
25
The current version of IMAP is ____.
IMAP4
E-mail ____ are documents that are connected to an e-mail message, such as word processing documents, spreadsheets, or pictures.
Attachments
____ is a scripting language that does not create standalone applications.
Javascript
____ is a complete programming language that can be used to create stand-alone applications.
Java
A(n) ____ is a program that does not come from a trusted source.
Unsigned Java Applet
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.
Sandbox
____ represent a specific way of implementing ActiveX and are sometimes called ActiveX applications.
Actie x controls
ActiveX controls can be invoked from Web pages through the use of a ____ or directly by an HTML command.
Scripting Language
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.
Respawning
____ 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.
A digital certificate
____ look for specific words and block e-mail messages containing those words.
Spam Filters
____ uses graphical images of text in order to circumvent text-based filters.
Image Spam
A(n) ____ is a business from which users purchase Internet access.
Internet service provider
Most e-mail clients contain a ____ that allows the user to read an e-mail message without actually opening it.
Reading Pane
Identifies the program or service that is being requested
Port Number
A file used to store user-specific information on the user’s local computer and then retrieve it later
Cookie
An HTML element that allows for one HTML document to be embedded inside the main document
iFrame
