By John R. Vacca
Cisco's routers, hubs, and switches are the middle of either the net and modern-day high-speed networks. to ensure you layout the suitable high-speed community in your wishes, you would like High-Speed Cisco Networks. This booklet indicates you ways to:Sell complex LAN/WAN expertise and its advantages to higher managementMake your division extra effective utilizing this technologyUse complex LAN/WAN know-how on your organizationBring jointly an efficient group to place complicated LAN/WAN expertise to workChoose LAN/WAN and software program to most sensible suit you and communications strategies to most sensible fit your applicationMake complex LAN/WAN expertise winning on your association and onlineInterface with administration and clients to strengthen plausible systemsEvaluate LAN/WAN software program and the potential it bargains for community software developmentIntegrate distant facts with information within the officeHigh-Speed Cisco Networks lays out Cisco's entire line of goods and describes the beneficial properties and the easiest purposes of every. Vacca presents arduous, severe info on routers and servers, switches and hubs, defense items, community administration instruments, ATM items, different prone and courses, and Internetwork working structures (IOS). Armed with this self reliant assessment, you should use the remainder of the booklet to layout with self belief high-speed networks that either meet your present wishes and scale on your destiny necessities.
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Additional resources for High-Speed Cisco Networks: Planning, Design, and Implementation
Users can exchange files and e-mail, copy files onto each other’s hard drives, and even use printers or modems connected to just one computer. But as more users are added to the network, a dedicated server can provide a central point for management duties such as file backup and program upgrades. Wiring and Cable There are three primary types of network wiring (also referred to as media) as shown in Exhibit 2: AU0821 ch01 frame Page 5 Wednesday, November 14, 2001 9:39 PM 5 High-Speed LAN/WAN Fundamentals UTP Unshielded Twisted Pair Coaxial Fiber Exhibit 2 Primary Types of Network Wiring 1.
3. Fiber optic. This cable is usually reserved for connections between backbone devices in larger networks, although in some very demanding environments, highly fault-resistant fiber-optic cable is used to connect desktop workstations to the network and to link to adjacent buildings. Fiber-optic cable is the most reliable wiring, but also the most expensive. Take care in selecting the cabling for your offices and buildings. Be sure that the wires running through ceilings and between walls can handle not only your present needs, but any upgrades you foresee in the next several years.
Your enterprise gains access to the Internet through some type of remote connection. A single user can dial up the ISP via modem. Multiple users within a campus might choose to rely on a router to connect to the ISP, who then connects the campus to the Internet. In general, LAN speeds are much greater than WAN and remote-access speeds. For example, a single shared Ethernet connection runs at 10 Mbps. Today’s fastest analog modem runs at 56 kbps — less than one percent of the speed of an Ethernet link.
High-Speed Cisco Networks: Planning, Design, and Implementation by John R. Vacca