
| 这本针对修订后的CCNP考试:642-831的学习指南为读者提供了:对关键考试内容的深入讲解;有关对Cisco网络进行故障诊断和优化的实用信息;成百道富有挑战性的复习题;选配光碟中有最新的考试复习软件,包括测试引敬、示例仿真题和电子闪存卡。
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| Arthur Pfund,CCIE#7249,现任一500强企业的首席工程师。在联网方面有8年多的经验,负责多数据中心环境下网络部分的战略和战术革新。
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| Introduction Accessment Test Chpater 1 Troubleshooting Methodology The Complexity of Internetworks The Problem-Solving Model Step 1:Define the Problem Step 2:Gather Facts Step 3:Consider Possibilities Step 4 and 5:Create and Implement the Action Plan Step 6:Observe Results Step 7:Iterate as Needed Document the Changes Summary Exam Essenttals Key Terms Review Questions Answers to Review Questions Chapter 2 Network Documentation The Network Baseline Network Configuration Table Router Network Configuration Table Switch Network Configuration Table Network Topology Diagrams Components of a Network Topology Diagram Creating a Network Topology Diagram Summary Exam Essentials Commands Used in This Chapter Key Terms Review Questions Answers to Review Questions Chapter 3 End-System Documentation and Troubleshooting End-System Network Configuration Table Creating an End-System Network Configuration Table End-System Network Topology Diagram Creating an End-System Network Topology Diagram Troubleshooting End-System Problems Troubleshooting by Layer End-System Troubleshooting Commands Summary Exam Essentials Commands Used in This Chapter Key Terms Review Questions Answers to Reveiw Questions Chapter 4 Protocol Attributes The QSI Reference Model Global Protocol Classifications Connection-Oriented Protocols Connectionless Protocols Layer 2:Data-Link Layer Protocols and Applications Ethernet/IEEE 802.3 Token Ring/IEEE 802.5 Token Frame Format Point-to-Point Protocol(PPP) Synchronous Data Link Control(SDLC) Frame Structure Frame Relay Frame Structure Integrated Services Digital Network(SDLC) Frame Structure Integrated Services Digital Network (ISDN) Frame Structure Layer 3 and 4:IP Routed Protocols Internet Protocol(IP) Internet Control Message Protocol(ICMP) Transmission Control Protocol(TCP) U ser Datagram Protocol(UDP) Summary Exam Essentials Key Terms Review Questions Answers to Review Questions Chapter 5 Cisco Diagnostic Commands and TCP/IP Connectivity Troubleshooting Chapter 6 TCP/IP Routing Protocol Troubleshooting Chapter 7 Troubleshooting Serial Line and Frame Relay Connectivity Chapter 8 Troubleshooting ISDN Chapter 9 Troubleshooting Switched Ethernet Chapter 10 Applying Cisco's Diagnostic Tools Glossary |
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