COPYRIGHTED MATERIAL. Con t e n t s. Chapter 1 Introduction to Networking 1. Chapter 2 Overview of Networking Components 21.

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1 Con t e n t s Introduction xix Chapter 1 Introduction to Networking 1 Comparing Logical and Physical Networks Networking Home Computers Networking Small Offices and Home Offices... 4 Understanding Local Area Networks Comparing Workgroups and Domains... 7 Exploring the Benefits of Domains and Domain Controllers... 9 Networking Large Offices Networking Enterprises Understanding Wide Area Networks Understanding Branch Offices Accessing Networks Remotely Understanding Standards Organizations Understanding the Internet Engineering Task Force Understanding the World Wide Web Consortium Understanding the Institute of Electrical and Electronics Engineers Understanding the International Telecommunication Union The Essentials and Beyond Chapter 2 Overview of Networking Components 21 Comparing Unicast, Broadcast, and Multicast Traffic Understanding Unicast Traffic Understanding Broadcast Traffic Understanding Multicast Traffic Understanding Network Hardware Understanding Hubs Understanding Switches Understanding Bridges Understanding Routers Understanding Firewalls Understanding Media Exploring Protocols and Services Exploring Protocols Understanding Services COPYRIGHTED MATERIAL

2 xii Understanding Basic Topologies The Essentials and Beyond Chap ter 3 Understanding the OSI Model 41 Understanding the OSI Model Application Layer Presentation Layer...44 Session Layer Transport Layer Network Layer Data Link Layer Physical Layer Putting It Together Packets and Frames Understanding the TCP/IP Model Mapping Devices on the OSI and TCP Models Physical Layer Data Link Layer Network Layer Application Layer Mapping Protocols on the OSI and TCP/IP Models The Essentials and Beyond Chap ter 4 Core TCP/IP Protocols 63 Understanding TCP and UDP Exploring TCP Exploring UDP Exploring Common Protocols Address Resolution Protocol Hypertext Transfer Protocol File Transfer Protocol Trivial File Transfer Protocol Telnet Remote Desktop Services Secure Sockets Layer Transport Layer Security Secure Shell... 73

3 xiii Internet Protocol Security Simple Mail Transfer Protocol Post Office Protocol v Internet Message Access Protocol Lightweight Directory Access Protocol Kerberos Point-to-Point Tunneling Protocol Layer 2 Tunneling Protocol Simple Network Management Protocol Internet Group Multicast Protocol Internet Control Message Protocol Understanding Ports Controlling Port Traffic with a Firewall Mapping Internally Used Ports and Protocols The Essentials and Beyond Chapter 5 Exploring IPv4 85 Exploring the Components of an IPv4 Address Ascertaining the Network ID and Host ID of an IP Address Identifying the Default Gateway Determining Local and Remote Addresses Understanding Classful IP Addresses Identifying Reserved IP Address Ranges Exploring an IPv4 Address in Binary Understanding the Bits of an IP Address Understanding CIDR Notation Masking the IP Address Using Classless IP Addresses Subnetting IPv4 Addresses Determining the Number of Subnet Bits Determining the Number of Hosts in a Network Identifying Local and Remote Addresses Applying Subnetting Knowledge Comparing Manual and Automatic Assignment of IPv4 Addresses Manually Configuring IPv Using DHCP Understanding APIPA The Essentials and Beyond

4 xiv Chap ter 6 Exploring IPv6 117 Exploring IPv6 Addresses Comparing IPv4 Classes and IPv6 Prefixes Understanding Hexadecimal Displaying IPv6 Addresses Comparing IPv6 Transmission Types Understanding the Need for IPv Understanding Neighbor Discovery Exploring the Components of an IPv6 Address Understanding Global Unicast Addresses Understanding Link-Local Addresses Understanding Unique Local Addresses Understanding the Dual IP Stack Using IPv4-Mapped IPv6 Addresses Understanding IPv4 to IPv6 Tunneling Protocols Comparing Manual and Automatic Assignment of IPv Manually Configuring IPv Using DHCPv The Essentials and Beyond Chap ter 7 Connecting Computers to a Network 133 Identifying Potential Problems with Connectivity Understanding EMI Understanding RFI Avoiding Power Spikes Avoiding Interception Preventing Fire Hazards Understanding Cross Talk Exploring Cable Types and Their Characteristics Understanding Twisted Pair Comparing Unshielded and Shielded Twisted Pair Comparing Straight-Through and Crossover Cables Understanding Fiber Optic Understanding Wireless The Essentials and Beyond

5 xv Chapter 8 Networking Computers with Switches 153 Connecting Multiple Computers Understanding Physical Ports Identifying the Number and Type of Ports Identifying Ports in Drawings Comparing Hubs and Switches Understanding Collision Domains Identifying a Collision Domain with a Hub Identifying Collision Domains with a Switch Mapping Ports to MAC Addresses Comparing Managed and Unmanaged Switches Understanding Unmanaged Switches Understanding Managed Switches Comparing Layer 2 and Layer 3 Switches Using a Managed Switch to Create a VLAN Exploring Switch Speeds Identifying Transmission Speeds Understanding the Uplink Port Identifying Backplane Speed Understanding Security Options Understanding Port Security Planning Hardware Redundancy The Essentials and Beyond Chapter 9 Connecting Networks with Routers 175 Connecting Multiple Networks Comparing Hardware Routers and Software Routers Understanding Default Routes Understanding Directly Connected Routes Routing Traffic on a Network Creating Static Routes Configuring Dynamic Routing Understanding the Routing Table Identifying Transmission Speeds Routing Software in Windows Server Adding Routing Services to Windows Server Configuring a Router on Windows Server

6 xvi Understanding Other Routing Protocols Using a DHCP Relay Agent Using an IGMP Router and Proxy Using NAT The Essentials and Beyond Chap ter 10 Resolving Names to IP Addresses 197 Exploring Types of Names Used in Networks Understanding Host Names Understanding NetBIOS Names Creating NetBIOS Names from Host Names Viewing and Modifying a Computer Name Exploring Types of Name Resolution Understanding Domain Naming Service Viewing the Host Cache Viewing the Hosts File Understanding WINS Viewing the NetBIOS Cache Understanding the Lmhosts File Understanding Broadcast Name Resolution Understanding Link-Local Multicast Name Resolution Identifying the Steps in Name Resolution Identifying Steps in Host Name Resolution Identifying Steps in NetBIOS Name Resolution The Essentials and Beyond Chap ter 11 Understanding Network Security Zones 219 Understanding Risks on the Internet Exploring an Intranet Understanding Network Address Translation Understanding Proxy Servers Understanding Firewalls Exploring the Windows Server 2008 Firewall Identifying a Perimeter Network Understanding a Reverse Proxy Server Understanding Guest Networks Understanding Extranets The Essentials and Beyond

7 xvii Chapter 12 Understanding Wireless Networking 239 Exploring Basic Wireless Components Using Wireless Access Points Naming the Wireless Network Comparing CSMA/CD and CSMA/CA Comparing Networking Standards and Characteristics Comparing FHSS, DSSS, and OFDM IEEE IEEE a IEEE b IEEE g IEEE n Comparing Network Security Methods Wired Equivalent Privacy Wi-Fi Protected Access WPA Using an IEEE 802.1x Authentication Server Using Wireless Networks Home Wireless Networks Wireless Networks in a Business Understanding Point-to-Point Wireless The Essentials and Beyond Chapter 13 Understanding Internet Access Methods and Wide Area Networks 263 Comparing Connectivity Methods Used in Homes and SOHOs Using a Dial-up Connection Connecting with DSL Employing Broadband Cable Connecting via Satellite Comparing Connectivity Methods in Enterprises Exploring Digital Signal Lines Using ISDN Using T1/T3 Lines and E1/E3 Lines Ethernet WAN Exploring Remote Access Services Connecting to RAS via Dial-up Connecting to RAS via a VPN

8 xviii Comparing Client VPNs with Gateway VPNs Adding Remote Access Services to Windows Server Using RADIUS The Essentials and Beyond Chap ter 14 Troubleshooting TCP/IP 283 Using the Command Prompt Getting Help at the Command Prompt Using Switches Understanding Case Sensitivity Checking the TCP/IP Configuration with ipconfig Troubleshooting Connectivity with ping Identifying Routers with tracert Verifying the Routed Path with pathping Viewing TCP/IP Statistics with netstat Installing Telnet The Essentials and Beyond Appendix A Answers to Review Questions 309 Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Appendix B Microsoft s Certification Program 319 Certification Objectives Map Index 325