ITM 100 Study Guide - Final Guide: Digital Subscriber Line, Search Engine Optimization, Local Area Network
17 May 2018
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ITM Final Review Definitions
1
Chapter 7:
Search Engine Optimization (SEO): The poess of hagig a e sites otet, laout, ad
format in order to increase the ranking of the site on popular search engines and to generate
more site visitors
Router: Specialized communications processor that forwards packets of data from one network
to another network
4G Networks: The next evolution in wireless communication, which is entirely packet switched
and capable of providing between 1 Mbps and 1 Gbps speeds; up to ten times faster than 3G
networks. Being slowly deployed across Canada as this is written
Search Engine Marketing: Use of search engines to deliver results that include sponsored links
for which advertisers have paid
Peer-to-peer: Network architecture that gives equal power to all computers on the network;
used primarily in small networks
Blogosphere: Totality of blog-related web sites
Smartphones: Wireless phone with voice, text and internet capabilities
Search engine: A tool for locating specific sites or information on the Internet
Transmission Control Protocol/Internet Protocol (TCP/IP): Dominant model for achieving
connectivity among different networks. Provides a universally agreed-on method for breaking
up digital messages into packets, routing them to the proper addresses, and then reassembling
them into coherent messages
E-mail: The computer-to-computer exchange of messages
Wiki: Collaborative web site where visitors can add, delete, or modify content, including the
work of previous authors
Voice over IP (VoIP): Technology for managing the delivery of voice information using the
Internet Protocol (IP)
Instant Messaging: Chat service that allows participants to create their own private chat
channels so that a person can be alerted whenever someone on his or her private list is online
to initiate a chat session with that particular individual
Chat: Live, interactive conversations over a public network
Internet Service Provider (ISP): A commercial organization with a permanent connection to the
Internet that sells temporary connections to subscribers
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ITM Final Review Definitions
2
Wi-Fi: Standards for Wireless Fidelity; refers to the 802.11 family of wireless networking
standards
RSS: Technology using aggregator software to pull content from Web sites that feed it
automatically to susies oputes
Web 2.0: Second-generation, interactive Internet-based services that enable people to
collaborate, share information, and create new services online, including social networking,
mashups, blogs, RSS, and wikis
Virtual Private Network (VPN): A secure connection between two points across the Internet to
transmit corporate data; provides a low-cost alternative to a private network
Shopping bots: Software with varying levels of built-in intelligence to help electronic commerce
shoppers locate and evaluate products or services they might wish to purchase
Network Operating System (NOS): Special software that routes and manages communications
on the network and coordinates network resources
Semantic Web: Was of akig the e oe itelliget, ith ahie-facilitated
understanding of information so that searches can be more intuitive and effective and can be
executed using intelligent software agents
Personal Area Networks (PANs): Computer network used for communication among digital
devices (including telephones and PDAs) that are close to each other
Bluetooth: Standard for wireless personal area networks that can transmit up to 722 Kbps
within a 10-metre area
Wide Area Network (WAN): Telecommunications network that spans a large geographical
distance. May consist of a variety of cable, satellite, and microwave technologies
Bandwidth: The capacity of a communications channel as measured by the difference between
the highest and lowest frequencies that can be transmitted by that channel
Unified Communications: Integrates disparate channels for voice communications, data
communications, instant messaging, e-mail, and electronic conferencing into a single
experience where users can seamlessly switch back and forth between different
communication modes
Digital Subscriber Line (DSL): A group of technologies providing high-capacity transmission over
existing copper telephone lines
Broadband: High-speed transmission technology. Also designates a single communications
medium that can transmit multiple channels of data simultaneously
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ITM Final Review Definitions
3
Modem: A deie fo taslatig a oputes digital sigals ito aalogue fo fo
transmission over ordinary telephone lines or for translating analogue signals back into digital
form for reception by a computer
Blog: Popular term for Web log, designating an informal yet structured Web site where
individuals publish stories, opinions, and links to other web sites of interest
Doman Name System (DNS): A hierarchical system of servers maintaining a database enabling
the conversion of domain names to their numeric IP addresses
WiMax: Popular term for IEEE Standard 802.16 for wireless networking over a range of up to 31
miles with a data transfer rate of up to 75 Mbps; stands for Worldwide Interoperability for
Microwave Access
Hypertext Transfer Protocol (HTTP): The communications standard used to transfer pages on
the Web. Defines how messages are formatted and transmitted
Packet Switching: Technology that breaks messages into small, fixed bundles of data and routes
them in the most economical way through any available communications channel
Hubs: Very simple devices that connect network computers, sending a packet of data to all
other connected devices
Social Networking: Olie ouities fo epadig uses usiess o soial otats
making connections through their mutual business or personal connections
Microblogging: Blogging featuring very short posts, such as using Twitter
Telnet: Network tool/protocol that allows a user to log on to one computer system while doing
work on another
Domain Name: English-like name that corresponds to the unique 32-bit numeric Internet
Protocol (IP) address for each computer connected to the Internet
Metropolitan Area Network (MAN): Network that spans a Metropolitan area, usually a city and
its major suburbs. Its geographical scope falls between a WAN and a LAN
Hertz: Measure of frequency of electrical impulses per second, with 1 hertz equivalent to 1
cycle per second
File Transfer Protocol (FTP): Tool for retrieving and transferring files from a remote computer
Internet Protocol (IP) Address: Four-part numeric address indicating a unique computer
location on the Internet
Social Search: Effort to provide more relevant and trustworthy search results based on a
pesos etok of soial otats
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14
ITM 100 Full Course Notes
Verified Note
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Document Summary
Search engine optimization (seo): the p(cid:396)o(cid:272)ess of (cid:272)ha(cid:374)gi(cid:374)g a (cid:449)e(cid:271) site(cid:859)s (cid:272)o(cid:374)te(cid:374)t, la(cid:455)out, a(cid:374)d format in order to increase the ranking of the site on popular search engines and to generate more site visitors. Router: specialized communications processor that forwards packets of data from one network to another network. 4g networks: the next evolution in wireless communication, which is entirely packet switched and capable of providing between 1 mbps and 1 gbps speeds; up to ten times faster than 3g networks. Being slowly deployed across canada as this is written. Search engine marketing: use of search engines to deliver results that include sponsored links for which advertisers have paid. Peer-to-peer: network architecture that gives equal power to all computers on the network; used primarily in small networks. Smartphones: wireless phone with voice, text and internet capabilities. Search engine: a tool for locating specific sites or information on the internet.
