Đang chuẩn bị liên kết để tải về tài liệu:
CCNA 1 and 2 Companion Guide, Revised (Cisco Networking Academy Program) part 2

Cisco Networking Academy Program CCNA 1 and 2 Companion Guide, Revised part 2 is the Cisco approved textbook to use alongside version 3.1 of the Cisco Networking Academy Program CCNA 1 and CCNA 2 web-based courses. The topics covered provide you with the necessary knowledge to begin your preparation for the CCNA certification exam (640-801, or 640-821 and 640-811) and to enter the field of network administration. | 1102.book Page xi Tuesday May 20 2003 2 53 PM xi Ethernet in the Campus.206 Ethernet Media and Connector Requirement.208 Connection Media.210 UTP Implementation.212 LAN Connection Devices.216 Repeaters.216 Hubs.217 Bridges.218 Switches.221 Wireless Networking Media.222 Host LAN Connectivity NICs and Interfaces.225 Workstation and Server Relationships.226 Peer-to-Peer Networks.227 Client Server Networks.228 Cabling the WAN.231 WAN Physical Layer.232 WAN Serial Connections.232 Routers and Serial Connections.234 Routers and ISDN BRI Connections.236 Routers and DSL Connections.238 Routers and Cable Connections.239 Setting Up Console Connections.240 Summary.242 Key Terms.244 Check Your Understanding.247 Chapter 5 Ethernet Fundamentals.251 History and Evolution of Ethernet.251 Introduction to Ethernet.252 IEEE Ethernet Naming Rules.253 IEEE 802.3 Ethernet and the OSI Model.255 MAC Addressing.258 Framing in General.259 Ethernet Frame Structure.262 Ethernet Frame Fields . 264 Ethernet Operation . 266 Media Access Control . 266 Ethernet MAC . 268 Simplex Half-Duplex and Full-Duplex Operation.271 -4 xii 1102.book Page xii Tuesday May 20 2003 2 53 PM Ethernet Timing.272 Interframe Spacing and Backoff.275 Error Handling.277 Types of Collisions.279 Ethernet Errors.282 Ethernet Autonegotiation.285 Link Establishment and Full Half Duplex.288 Collision Domains and Broadcast Domains.290 Directly Connected Networks.290 Indirectly Connected Networks.291 Collisions and Collision Domains.292 Segmentation.295 Layer 2 Broadcasts.297 Broadcast Domains.300 Introduction to Data Flow.300 Network Segment.302 Summary.304 Key Terms.306 Check Your Understanding.309 Chapter 6 Ethernet Technologies and Ethernet Switching.315 10-Mbps and 100-Mbps Ethernet.315 10-Mbps Versions of Ethernet.316 10BAsE5.320 10BASE2.321 10BASE-T.322 10BASE-T Architecture.326 100BASE-TX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .329 100BASE-FX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .