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79 Cards in this Set
- Front
- Back
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Definition of Web Site Designer
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An individual responsible for the organization and appearance of a Website. HTML, VBScript, JavaScript, Graphic applications
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Definition of Web Application Developer
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An individual who develops primarily server-side Web Applications. Java, Javascript, C++, Perl
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Web Architech
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Responsible for creating the overview plan of a Web site's development. Project management, organizational and communication skills.
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Web Site Analist
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Analyses the website statistics to determine the website effectiveness. Communication skills, html, graphics, Java, Javascript, VBScript.
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Dead Link
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A hyper link that, when clicked, sends a Website visitor to a page or resource that doesn't exist.
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Web site manager
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An individual who manages a Web development team.
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Database administrator
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An individual responsible for the maintenance and security of the database and data
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Server Administrator
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An individual responsible for managing and maintaining network servers.
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Network engineer
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An individual responsible for managing and maintaining a network infrastructure.
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Security Manager
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An individual responsible for managing the security measures used to protect electronic data.
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Security Analyst/Consultant
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Responsible for xamining an organization's security requirements and determining the hardware, communications and software capabilities needed to satisfy the requirements. Servers, OS, firewall tech, virus soft, security management soft. VPN, etc.
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PC repair technician
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Install, modify, and repair personal computers, hardware components, install software.
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Helpdesk technician
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An individual responsible for diagnosing and resolving user's technical hardware and software problems.
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Network
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A group of two or more computers connected so they can communicate with one another.
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Node
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An entity on a network that can be managed, such as a system, repeater, router, gateway, or firewall.
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Client
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An individual computer connected to a network. Also, a system or application that requests a service from another computer (the server), and is used to access files or documents (such as web browser or user agent).
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Server
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A computer in a network that manages the network resources and provides, or serves, information to clients.
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Client/Server enviroment
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Client programs run on the computer nodes and interact with a server program running on the server. Ex. Email server.
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LAN
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Local Area network: a group of computers connected within a confined geographic area.
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WAN
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Wide Area network: a group of computers connected over an expansive geographic area so their users can share files and services.
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ARPA
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Advanced Research Projects Agency: A US Department of Defense agency that created the first global computer network
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ARPANET
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Advanced Research Project Agency Network: a computer network founded by ARPA, that served as the basis for early networking research and was the backbone during the development of the Internet.
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NSF
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National Science Foundation: Agency founded after ARPA closed down by the department of Defense. Promotes the advancement of science and engineering. Added more networks, expanding the range of sites to business, universities, and government/military installations.
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Backbone
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The highest level in computer network hierarchy, to which smaller networks typically connect.
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Gateway
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A node on a network that serves as portal to other networks.
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WWW
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World Wide Web: a set of software programs that enables users to access resources on the Internet via hypertext documents.
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Hypertext link
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Highlighted or underlined text in a web page that, when clicked, links the user to another location or web page.
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Web Page
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An HTML document contaning one or more elements to or from other HTML pages.
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Web browser
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A software application that enables users to access and view Web pages and Internet.
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TCP/IP
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Transmission Control Protocol/Internet Protocol: a suite of protocols that turns data into blocks of information called packets, which are then sent across the internet. This is the stand protocol used by the Internet.
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Packet
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Data processed by protocols so it can be sent across the network.
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Router
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A device that routes packages between networks base on network-layer address; determines the best path across a network. Also used to connect separate LANs to a WAN.
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ISP
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Internet Server Provider: organization that maintains a gateway to the internet and rents access to customers on a per-use or subscription basis.
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Modem
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Modulator/Demodulator: an analog device that enables computeres to communicate over telephone lines by translating digital data into audio/analog signals (on the sending computer) and then back into digital form (on the receiving computer)
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ISDN
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Integrated Services Digital Network: a communication standard for sending voice, video or data over digital telephone lines.
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Channel
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The cable or signal between two network nodes that enables data transmission.
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BRI: Two-B-Plus-D line
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ISDN Basic Rate Interface: digital telephone line. IBR: provides two 64 kbps B channels for use with data, as well as 16 Kbps D channel that carries signaling and is used to manage the 64kbps line.
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PRI
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Primary Rate Interface much powerful
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Dial up speed: 128 Kbps
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Two 64-kbps ISDN BRI channels combined to increase the connection speed.
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Dial up speed: 64 Kbps
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Typical SIDB BRI speed
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Dial up speed: 56 Kbps
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Fasted theoretical dial-up speed available using an analog modem
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Dial up speed: 33.6 Kbps
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Moderately fast dial up modem speed
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Dial up speed: 28.8Kbsp
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standard dial-up speed in the mid-90s
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Dial up speed: 14.4 Kbps
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Moderately slow dial-up modem speed; may not support streaming of audio and video.
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WebTV
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Uses dial-up connection to the Internet.
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Bandwith
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The amount of information, sometimes called traffic, that can be carried on a network at one time. The total capacity of a line, also, the rate of data transfer over a network connection; measured in bits per second.
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NIC
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Network Interface Card: a circuit board within a computer's central processing unit that serves as the interface enabling the computer to connect to the network.
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End Point
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A standard system that uses a wireless network interface card.
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Ad-hoc
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Wireless mode in which systems use only their NICs to connect with each other.
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Infrastructure
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Wireless mode in which systems connect via a centralized access point, called a wireless access point (WAP)
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WAP
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Wireless Access Point: is a device that enables wireless systems to communicate with each other, provide that they are on the same network
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802.11
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a set of standards carrying out wireless local area network (WLAN) computer communication in the 2.4, 3.6 and 5 GHz frequency bands. They are implemented by the IEEE LAN/MAN Standards Committee
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T1
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Transmit data at 1.544 Mbps. Lease to phone companies to connect to ISPs
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T3
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Trasnmit data at 44.736 Mbps. Used by ISPs to connect to backbone
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E1
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Transmit data at 2.048 Mbps. European equivalent to T1.
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E3
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Transmit data at 34.368 Mbps. European equivalent to T3.
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DSL
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Digital Subscriber Line: a high speed connection that uses digital phone lines and an xDSL modem.
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xDSL
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Collectively, the variations of DSL, which include ADSL (asymmetric), RADSL (rate-adaptive), and HDSL (High-bit0rate)
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IP
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Internet Protocol: protocol by which the data is sent from one computer to another on the Internet.
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IPv4
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Also called Dotted decimal. 32 bit address. 192.168.0.1. 256x256x256x256=4 billion addresses
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IPv6
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IPng = Internet Protocol Next Generation; 4 trillion addresses. Uses hexadecimal numbers instead of decimals.
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PPP
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Point to point Protocol - allows a computer to connect to the Internet over a phone line. Most dial up connections uses this.
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MLPPP
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Multilink Point to Point Protocol: combines 2 PPP connections into one, thereby enabling a higher transmission speed.
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PPPoE
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Point-to-Point Protocol Over Ethernet: implements PPP over Ethernet to connect an entire network to the nternet.
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HTTP
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Hypertext transfer protocol: The protocol for transporting HTML documents across the Internet.
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FTP
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File Transfer Protocol: enables transfer of files between two computers on the Internet.
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SMTP
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Simple Mail Transfer Protocol: Internet standard protocol for transferring email messages from one computer to another.
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POP
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Post Office Protocol: A protocol that resides on an incoming mail server. Stores and forward emails to the host, needs to download the messages before managing them.
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IMAP
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Internet Message Access Protocol: resides in the incoming mail server. Allows to manage and browse emails while they reside in the server.
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NNTP
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Network News Transfer Protocol: used by news servers that enables the exchange of Usenet articles.
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USENET
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User Network: a collection of thousands of Internet computers, newsgroups, and newsgroup members using NNTP to exchange information.
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Newsgroup
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On Usenet, a subject or other topical interest group whose members exchange ideas and opinions. Participants post and receive messages via a news server.
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DNS
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Domain Name System: maps uniquely hierarchical names to specific Internet addresses.
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ICANN
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Internet Corporation for Assigned Names and Numbers: where each domain name is register.
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www.
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name of the Webserver at the company, also called the Web site host.
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Host
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A computer that other computers can use to gain information; in network architecture, a host is a client or workstation.
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FQDN
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Fully Qualified Domain Name: complete domain of a internet computer: www.google.com
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Root-leve servers
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Highest level of of the DNS. Provides foundational naming services (where the www.ssss.xxx address translates to an IP address)
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Top Level Domain
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The group into which a domain is categorized by common topic (company, educational, institutaional, etc.) .com, .edu, .gov
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