MCSE: Networking Essentials Study Guide Book

	Introduction	xix
Chapter 1	An Introduction to Networks	1
	What Is Networking?	2
	Networking Is All about Information	2
	The Personal Computer as an Information Tool	4
	Exchanging Information	5
	The Network	6
	Sharing Information	7
	Sharing Hardware Resources	8
	Sharing Software Resources	11
	Preserving Information	11
	Protecting Information	12
	E-Mail	12
	Clients, Servers, and Peers	14
	Server-Based Networks and Domains	15
	Peer Networks	16
	Hybrid Networks	17
	Peer Security vs. Server Security	18
	Selecting the Right Network Type	19
	Server Types	20
	Network Topology	31
	Bus Topology	32
	Star Topology	34
	Ring Networks	37
	Star Bus and Star Ring	40
	Physical Mesh Topology	41
	Network Media	43
	What Are Media?	44
	Copper	45
	Glass	45
	Air	46
	Radio	47