ISM 3004 Lecture Notes - Lecture 7: Webex, Virtual Private Network, Screen Sharing

• School: University of Florida
• Department: Information Systems and Operations Management
• Course: ISM 3004
• Professor: Eric Olson

Document Summary

07. 01-introduction to computer networks: network, (cid:862)colle(cid:272)tio(cid:374) of devices connected together via communications devices (switches, hubs, access points) a(cid:374)d t(cid:396)a(cid:374)s(cid:373)issio(cid:374) (cid:373)edia (cid:894)(cid:449)i(cid:396)es, (cid:396)adio (cid:449)a(cid:448)es(cid:895)(cid:863) Internet protocols (main internet protocol)- foundational protocol that enables billions of devices on this planet to communicate at high speed around the globe: tcp. 1024 mbps = 1 gbps: megabits/gigabits are modern, usable communications speeds. 07. 02-ethernet: ethernet, dominant wired lan technology today. If (cid:455)ou(cid:859)(cid:396)e (cid:396)u(cid:374)(cid:374)i(cid:374)g outdoo(cid:396) (cid:272)a(cid:271)li(cid:374)g, (cid:449)he(cid:374) the(cid:396)e is a light(cid:374)i(cid:374)g st(cid:396)ike, that fi(cid:271)e(cid:396) opti(cid:272) (cid:272)a(cid:271)le i(cid:374) the g(cid:396)ou(cid:374)d (cid:449)o(cid:374)(cid:859)t (cid:272)a(cid:396)e: ethernet- basic components, nic (network inferface card, switch. Interconnects nodes (legacy- (cid:862)hu(cid:271)(cid:863)(cid:895: port count, management capabilities, poe (power over ethernet) What radio spectrum is used: 8(cid:1004)(cid:1006). (cid:1005)(cid:1005) (cid:862)wifi(cid:863, speed, 802. 11b, 802. 11g, 802. 11n, 802. 11ac. Which radio spectrum is affected: 2. 4 ghz interference, microwave oven, cordless phone, baby monitor, ap define the acronym. Buy (a hacker can gain access and hack the enterprise info) (they can cause support headaches even if they are secured)