| A | B |
|---|
| Network | Two or more computers linked together for communicating |
| Client | Individual computer connected to a network |
| Server | A computer that manages network resources |
| Protocol | a format rule for transmitting data between two devices |
| Transmission Control Protocol/Internet Protocol (TCP/IP) | Required by every computer that connects to the internet |
| Packets | a fixed piece of information sent across a network |
| IPv4 | supports 4 billion possible IP addresses |
| Point-to-Point Protocol (PPP) | Provides connection between a computer and the Internet over a phone line |
| Point-to-Point Protocol over Ethernet (PPPoE) | Connects an entire network to the Internet |
| Hyper Text Transfer Protocol (HTTP) | Transfers Web pages from a Web server to a Web client |
| Simple Mail Transfer Protocol (SMTP) | Required to send e-mail messages |
| Post Office Protocol (POP) | Required to receive e-mail |
| Internet Message Access Protocol (IMAP) | Required to receive e-mail from an incoming mail server |
| File Transfer Protocol (FTP) | Transfers files between computers on the Internet |
| Domain Name System (DNS) | Resolves IP addresses into recognizable names |
| Reverse DNS | Resolves IP addresses into domain names |
| Virtual domain | A company domain resides on a third-party server |
| Shared domain | A company domain name is shared. |
| protocol + server name + domain name | (URL) Uniform Resource Locator |
| ftp://czacademy.com/pages/mypage.htm | Absolute URL |
| //myserver/mypage.htm | Relative URLs |
| Authentication | Verifying the identity of a user or the integrity of data |
| Anonymous logon | no user name or password is required and authentication is handled transparently by the browser and server |
| Basic authentication | a user name and password are required |
| Secure authentication | a user name and password are required |
| Encryption | The process of converting data into an unreadable form of text |
| Decryption | The process of converting the encrypted data back to its original form |
| Key | A mathematical algorithm |
| Password Authentication Protocol (PAP) | Used to authenticate dial-up sessions for remote users |
| Challenge Handshake Authentication Protocol (CHAP) | Authenticates through a server sending a challenge phrase to a client |
| Microsoft Challenge Handshake Authentication Protocol (MS-CHAP) | A proprietary version of CHAP used by servers running IIS |
| Secure Sockets Layer (SSL) | A protocol for secure exchanges |
| Transport Layer Security (TLS) | Successor to SSL |
| Intranet | An internal or in-house Web site used only by employees within a company |
| Extranet | An internal network designed to provide access to selected external users; is not available to the Internet public |
| Webinars | Online training or conference sessions that utilize Internet technology to provide interactive and presentation elements to users |
| Proxy servers | Placed between corporate networks and the Internet |
| Multimedia | Uses interactive elements |
| Objects | Elements that contain data and instructions for how the item is to behave when activated |
| Object-Based | Programming concepts based on logic and actions |
| Object-Oriented | Programming concepts based on how objects and data relate |
| Java | An object-oriented programming language (based on C) that concentrates on distributed objects over a network |
| C | A programming language used to create operating systems and applications |
| C++ | A superset of the C language that uses object-oriented programming |
| Language that resides on the server side and requires a program to assemble and attach instructions | Object-Oriented Languages |
| JavaScript | An event-driven scripting language designed to react whenever events occur |
| Jscript | A Microsoft version of JavaScript |
| VBScript | An object-oriented scripting language that Microsoft derived from the Visual Basic programming language |
| ActiveX | An open set of technologies for integrating components on the Internet and within Microsoft applications |
| Language that is event-driven and operates on the client side | Object-Based Languages |
| Java Applets | Written in Java |
| Compression | Reduction in size of data files |
| Lossy Compression | Permanently eliminates some information |
| Lossless | All original data is recovered when the file is decompressed |
| Codecs | Compression/ decompression algorithms |
| Plug-Ins | Programs designed to extend basic browser functionality |
