Term
| Telecommunications System |
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Definition
| Enable the transmission of data over public or private networks |
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Term
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Definition
| A communications, data exchange, and resource–sharing system created by linking 2 or more computers and establishing standards |
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Term
| 2 principal benefits networks provide |
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Definition
| the ability to communicate in the ability to share |
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Definition
| Designed to connect a group of computers in close proximity to each other such as in an office building, a school, or a home |
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Definition
| Spans a large geographic area, such as a state, province, or country |
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Term
| Metropolitan Area Network (MAN) |
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Definition
| A large computer network usually spanning a city |
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Term
| Competitive advantages of gaining an understanding of networking and telecommunication fundamentals |
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Definition
| Voice over IP, networking businesses, increasing the speed of business, and securing business networks |
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Term
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Definition
| Uses TCP/IP technology to transmit voice calls over long–distance telephone lines (10% of all phone calls) |
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Term
| What benefits does using existing network and internet infrastructure using VoIP bring? |
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Definition
| route calls more efficiently and inexpensively, VoIP offers businesses significant cost savings, activity gains, and service enhancements. |
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Term
| What has been one of the most popular VoIP services in the world |
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Definition
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Term
| Virtual Private Network (VPN) |
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Definition
| A way to use the public telecommunication infrastructure (e.g. the Internet) to provide secure access to an organization's network |
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Term
| Value-Added Network (VAN) |
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Definition
| A private network, provided by a third-party, for exchanging information through a high-capacity connection |
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Term
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Definition
| The difference between the highest and the lowest frequency that can be transmitted on a single medium, and it is a measure of the medium's capacity |
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Definition
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Definition
| The number of signals sent per second |
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Term
| What does bandwidth determine |
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Definition
| what types of communication–voice, data, graphics, full-motion video–can reasonably be transmitted over a particular medium |
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Term
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Definition
| Generally refers to high-speed Internet connections transmitting data speeds greater than 200 kB per second (dial-up has a maximum speed of 56 kB per second) |
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Term
| What does a good password have? |
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Definition
| both letters and numbers along with a few punctuation marks for added security |
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Term
| What types of networks permit users on the network to get data from other points on the network? |
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Definition
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Term
| To what does Mobile refer? |
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Definition
| Means the technology can travel with the user, but it is not necessarily in real–time; users can download software, e-mail messages, and webpages onto their PDAs, laptops, or other mobile devices for portable reading or reference |
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Term
| To what does Wireless refer? |
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Definition
| Refers to any type of electrical or electronic operation that is accomplished without the use of a hardwired connection |
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Term
| Generations of Cellular Systems |
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Definition
Older cellular systems are analog (IG) and newer cellular systems are digital (PCS)
• Third-generation (3G) networks use a newer packet-switched technology that is much more efficient then dedicated circuit switched networks (speeds ranging from 1220 to 144 kilobits per second |
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Term
| Personal Digital Assistants |
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Definition
| • PDAs are small handheld computers cable entirely of digital communications transmission |
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Term
| What functions does a PDA have? |
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Definition
| display, compose, send, and receive e-mail messages, and some models can provide wireless access to the Internet (they are stand-alone mini-computers) |
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Term
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Definition
| Combines the functions of a cell phone and a PDA in a single device |
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Term
| What was the first brand of successful PDAs? |
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Definition
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Term
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Definition
| A telecommunications industry specification that describes how mobile phones, computers, and personal digital assistants can be easily interconnected using a short-range wireless connection |
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Term
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Definition
| A big microwave repeater in the sky; it contains one or more transponders that listen to a particular portion of the electromagnetic spectrum, amplifying incoming signals, and retransmitting them back to earth |
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Term
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Definition
| Uses the atmosphere as the transmission medium to send the signal to a microwave receiver |
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Term
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Definition
| Uses the atmosphere as the transmission medium to send the signal to a microwave receiver |
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Term
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Definition
| travel closer to the earth and are able to pick up signals from weak transmitters–they also consume less power in cost less to launch |
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Term
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Definition
| Wireless and mobile content services that provide location–specific information to mobile users moving from location to location |
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Term
| Global Positioning System |
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Definition
| A constellation of 24 well spaced satellites that orbit the earth and make it possible for people with ground receivers to pinpoint their geographic location |
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Term
| Who owns and operates GPS? |
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Definition
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Term
| Geographic Information System |
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Definition
| Designed to work with information they can be shown on a map |
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Definition
Wi-Fi
A means of linking computers using infrared or radio signals |
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Term
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Definition
| Worldwide interoperability for microwave access, in telecommunications technology and providing wireless data over long distances in a variety of ways, from point to point links to full mobile cellular type access |
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Term
| 2 parts of a WiMAX system |
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Definition
| WiMAX tower, in a WiMAX receiver |
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Term
| Radio Frequency Identification |
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Definition
| Technologies use active or passive tags in the form of chips or smart labels that can store unique identifiers in relay this information to electronic readers |
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