A group of two or more integrated hard disks is called a RAID redundant array

A group of two or more integrated hard disks is

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A group of two or more integrated hard disks is called a RAID (redundant array of independent disks). RAID is an ideal storage solution for users who must have the data available when Server Extranet: An extranet is the portion of a company’s network that allows customers or suppliers of a company to access parts of an enterprise’s intranet. An extranet provides a secure, physical connection to the company’s network. Customers may use the extranet to place and monitor orders electronically or to make payments. Suppliers may check inventory levels of the parts they supply to the company and receive orders and payments from the company. Extranets improve efficiency by replacing the postal service, faxes, or telephone calls as the communications medium of choice.
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other fields. (364) they attempt to access it. NAS A network attached storage (NAS) device is a server connected to a network with the sole purpose of providing storage (shown in Figure 6-1 on page 238). Any user or device connected to the network can access files on the NAS device. These devices often use a RAID configuration. In the past, enterprises were the primary users of NAS. With the introduction of smaller, less expensive NAS devices, however, some home and small business users opt to add up to 6 TB or more of hard disk storage space to their network with a NAS device. (244) (481) I-Case & Case Feasibilities: Feasibility is a measure of how suitable the development of a system will be to the organization. A project that is feasible at one point during system development WiMax: WiMAX (Worldwide Interoperability for Microwave Access), also known as 802.16, is a newer network standard developed by IEEE that specifies how wireless devices communicate over the air in a wide area. Using the WiMAX Bluetooth: Bluetooth technology uses radio waves to transmit data between two devices. Bluetooth devices have to be within about 33 feet of each other. Many computers, peripherals, smart phones, PDAs, cars, and other consumer electronics are Bluetooth-enabled, which means they contain a small
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might become infeasible at a later point. Thus, systems analysts frequently reevaluate feasibility during the system development project. Four tests to evaluate feasibility are: 1. Operational feasibility: Measures how well the proposed information system will work. Will the users like the new system? Will they use it? Will it meet their requirements? Is it secure? 2. Schedule feasibility: Measures whether the established deadlines for the project are reasonable. If a deadline is not reasonable, the project leader might make a new schedule. If a deadline cannot be extended, then the scope of the project might be reduced to meet a mandatory deadline. 3. Technical feasibility: Measures standard, computers or devices with the appropri- ate WiMAX wireless capability communicate via radio waves with other computers or devices via a WiMAX tower.
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  • Fall '12
  • YvonneGalush
  • Computer network, Personal computer, World Wide Web

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