Networking: A Beginner’s Guide Fifth Edition- P2:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers. | Contents Acknowledgments . xv Introduction . xvi Part I Networking Ins and Outs 1 The Business of Networking . 3 Understanding Networking The Corporate Perspective . 4 What Does the Company Need . 4 How Will the Network Benefit the Company . 5 Understanding Networking Jobs . 6 Network Administrator . 6 Network Engineer . 7 Network Architect Designer . 7 Other Network-Related Jobs . 8 Sarbanes-Oxley Act of 2002 8 Chapter Summary . 9 V Vi Networking A Beginner s Guide 2 Laying the Foundation . 11 Bits Nibbles and Bytes . 12 Understanding Binary Numbers . 12 Other Important Numbering Systems . 14 Basic Terminology to Describe Networking Speeds . 15 Chapter Summary . 16 3 Understanding Networking . 17 Knowing Network Relationship Types . 18 Peer-to-Peer Network Relationships . 18 Client Server Network Relationships . 19 Comparing Peer-to-Peer and Client Server Networks . 20 Learning Network Features . 23 File Sharing . 23 Printer Sharing . 24 Application Services . 25 E-mail . 25 Remote Access . 26 Wide Area Networks . 27 Internet and Intranet . 27 Network Security . 28 Understanding the OSI Networking Model . 28 Physical Layer . 30 Data-Link Layer . 30 Network Layer . 30 Transport Layer . 31 Session Layer . 31 Presentation Layer . 31 Application Layer . 32 Understanding How Data Travels Through the OSI Layers . 32 Learning About Network Hardware Components . 32 Servers . 33 Hubs Routers and Switches . 34 Cabling and Cable Plants . 34 Workstation Hardware . 36 Chapter Summary . 36 4 Understanding Network Cabling . 37 Understanding Cable Topologies . 38 Bus Topology . 39 Star Topology . 41 Contents vii Ring Topology . 44 Comparing Rings to Stars and Buses . 46 Demystifying Network Cabling . 47 Overview of Basic Cable Types . 47 Twisted-Pair Cabling The King of Network Cables . 48 Coaxial Cable . 52 Installing and Maintaining Network Cabling . 54 Choosing a Cabling Contractor . 54 Solving Cable Problems . 55 Chapter Summary . 58 5 Home Networking . 59 Benefits from Home
