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| There are two ways to communicate a message in a network: |
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| This signal is represented by a continuous waveform that passes through a communications medium and has been used for voice communication. Examples are the telephone handset, the speaker on a computer |
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| This signal is a discrete, binary waveform, rather than a continuous waveform |
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| What does this stand for: modulator-demodulator |
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| What is the dominant LAN standard at the physical network level |
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| This is used to treat all processors equally and is used primarily is small networks with 10 or fewer users. |
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| What is the most universal and powerful WAN? |
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T/F
One hertz is equal to one cycle of the medium |
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The range of frequencies that can be accommodated on a particular telecommunications channel is called:
And it is the difference between the highest and lowest frequencies that can be accommodated on a single channel. |
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| This is a commercial organization with a permanent connection to the Internet that sells temporary connections to retail subscribers |
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| ISP- Internet Service Provider |
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| This converts IP addresses to domain names |
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| This is an English-like name that corresponds to the unique 32-bit numeric IP address for each computer connected to the Internet |
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| What kind of technology is the Internet based on? |
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| Firms are able to merge disparate communications modes into a single universally accessible service using this |
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| This is a secure, encrypted, private network that has been configured within a public network to take advantage of the economies of scale and management facilities of large networks |
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| Virtual private network (VPN) |
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| This is the most popular Internet service |
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| This is a system with universally accepted standards for storing, retrieving, formatting, and displaying information using client/server architecture |
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| This is a collection of Web pages linked to a home page |
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| This is the communications standard used to transfer pages on the Web |
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| Hypertext Transfer Protocol (HTTP) |
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| The address of http and the domain name is called |
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| The URL- Uniform resource locator |
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| The most common Web server in use today is________________ and controls 60% of the market |
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Definition
| Apache HTTP Server and second in line is Microsoft's product Internet Information Services controlling 40% of the market share |
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| These are the fastest growing form of Internet advertising and are powerful marketing tools that precisely match consumer interests with advertising messages at the right moment |
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| These use intelligent agent software for searching the Internet for shopping information and examples are: MySimon and Froogle |
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| This refers to the second-generation interactive Internet-based services |
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| This stands for Rich Site Summary or Really Simple Sindication and it syndicates Web site content so that is can be used in another setting |
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| In order to receive RSS information feed, you need to install what on your computer? |
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| Aggregator or news reader software |
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| Do blogs allow visitors to add comments to the original posted material but not alter it? |
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| This is an internal organizational network that provide access to data across the enterprise |
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| These are security systems with specialized software technology to prevent outsiders from entering private networks |
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| These are small, handheld computers featuring applications such as electronic schedulers, address books, memo pads and such |
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| PDA's- Personal digital assistants |
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| Models with digital cell phone capabilities such as e-mail messaging, wireless access to the Internet, voice communication and digital cameras are called: |
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| This is the popular name for the 802.15 wireless networking standard, which is useful for creating small Personal-area networks (PAN) |
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| The 802.11 set of standards for wireless LANs is also known as: |
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| These typically consist of one or more access points positioned on a ceiling, wall, or other strategic point in a public place to provide maximum wireless coverage for a specific area |
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| A major drawback of Wi-Fi networks is its weak: |
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| Security features, which make these wireless networks vulnerable to intruders |
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| This system provides a powerful technology for tracking the movement of goods throughout the supply chain. |
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| RFID- Radio Frequency Identification |
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| Networks of interconnected wireless devices that are embedded into the physical environment to provide measurements of many points over large spaces |
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| What is the second fastest growing form of Internet access |
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| Fixed Wireless broadband (Wi-Fi) |
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| Two or more connected computers |
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| What is the largest implementation of client/server computing? |
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