Ch 7 Networking lecture notes
Ch 7 Networking lecture notes CGS2100
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This 3 page Class Notes was uploaded by Gianna Molinare on Friday July 22, 2016. The Class Notes belongs to CGS2100 at Florida State University taught by Jack Winston in Summer 2016. Since its upload, it has received 14 views.
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Date Created: 07/22/16
Ch 7 Networking: Connecting computing devices Networking fundamentals o Computer network o Node Computer Peripheral Network device o Computer network resource sharing benefits: High-speed internet connection Peripheral devices Files Common communications Network architectures o Classified by: Distance How managed Rules to exchange data Communications medium used Network components o Transmission media Communications channel between nodes: wireless networks & wired networks UTP cable Types of UTP cable: Cat 5E, Cat 6, Cat 6a Decreased throughput in wireless networks o Basic network hardware Network adapter Network interface card (NIC) Broadband modem Packets Router Switch o Network software Operating software for P2P (peer to peer) networking Client/server network Communicate through centralized server Specialized network operating system (NOS) software Connecting to the Internet o Home network Share an internet connection o Must purchase internet access from ISP Specialized providers Companies that provide other services o Broadband o Dial-up o Broadband internet connections Broadband Standard broadband tech Satellite broadband Mobile broadband 4G LTE (less than equivalent, so it's really 3G) o Wired broadband internet connections Cable internet Coaxial cable, similar ot cable TV wire DSL (digital subscriber line) Fiber optic service o Wireless internet access Wireless internet at home WiFi hotspot Wireless in-flight internet Mobile broadband 3G 4G LTE Installing & configuring Home Networks o Devices connecting to home networks o Connecting devices to a router Routers for Windows computer 802.11 n o Network-Attached storage devices NAS devices AirPort Time Capsule o Specialized Home-Networking Devices New digital pic frames Built-in wireless Access network & online photos Receive pics via e-mail Security Wireless monitoring cameras Baby monitors are easy to hack bc it's 1 channel o 802.11n or 801.11ac added performance options: Dual-band N router Wireless range extender Securing Wireless Networks o Use a firewall to secure Internet connections o Wired networks more secure than wireless o Added vulnerabilities for wireless Signal range can extend to neighbors Extra precautions require to secure wireless
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