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Networking Components

Networking Components. Vasilis Angelogiannos CECS 560 Assignment 3. Topics. Hub Switch Router Bridge Gateway Firewall Wireless AP. Hub. Low cost, low function device Sends data from one computer to all other computers on the network Operates at Layer 1

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Networking Components

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  1. Networking Components VasilisAngelogiannos CECS 560 Assignment 3

  2. Topics • Hub • Switch • Router • Bridge • Gateway • Firewall • Wireless AP

  3. Hub • Low cost, low function device • Sends data from one computer to all other computers on the network • Operates at Layer 1 • Used to connect multiple twisted pair of fiver optic Ethernet devices together • Hubs are usually found in small business offices and home networks

  4. Switch • More expensive than a hub • Operates at Layer 2 • Used for most LANs • Multiplayer switches operates at more than 1 OSI layer • Allows for dedicated bandwidth • Switches are used for larger businesses

  5. Bridge • A device that filters data traffic • Network traffic is managed rather that rebroadcasted • Bridges analyze packets to determine if they are able to be sent the appropriate network segment • Used to reduce traffic on a LAN • Operate at Layer 2 • Used in smaller networks because complexity can lead to loops

  6. Gateway • A network point that acts as an entrance to another network. • They join two networks that use different protocols • Can operate at any network layer • Support multiple protocols • Home routers can serve as gateways • Computers can be configured to serve as gateways

  7. Firewall • Device designed to monitor network transmissions by allowing and blocking accessed according to a set of rules. • PCs include software based firewalls • Firewalls can perform basic routing functions • Recommended to be used in all networks

  8. Wireless Access Point • Device that allows wireless devices to connect to a wired network • Usually connected to a router • Home networks usually have one • Businesses typically have several WAPs

  9. All the Components Combined

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