tailieunhanh - CCENT/CCNA ICND1 Official Exam Certification Guide - Chapter 15

Troubleshooting IP Routing Chương này có hai mục tiêu tiên, chương này bao gồm một số chủ đề không được đề cập ở những nơi khác trong cuốn sách này, cụ thể là một số lệnh xử lý sự cố trên cả hai máy chủ và bộ định tuyến. Thứ hai, chương này đánh giá các khái niệm cốt lõi của địa chỉ và định tuyến, nhưng với một tập trung vào làm thế nào để tiếp cận vấn đề mới để phân tích và hiểu làm thế nào để khắc phục sự cố bất kỳ vấn đề | C H A P T E R 15 Troubleshooting IP Routing This chapter has two main goals. First this chapter covers some topics that are not covered elsewhere in this book namely some troubleshooting commands on both hosts and routers. Second this chapter reviews the core concepts of addressing and routing but with a focus on how to approach new problems to analyze and understand how to troubleshoot any problems. Additionally this chapter includes a troubleshooting scenario that shows how to use some of the tools and concepts from earlier in this chapter with an opportunity for you to try and discover the problems before the text explains the answers. For those of you following the reading plan using both this book and the CCNAICND2 Official Exam Certification Guide note that after this chapter you should proceed to the ICND2 book and read the chapters in Parts II and III. Do I Know This Already Quiz The Do I Know This Already quiz allows you to assess if you should read the entire chapter. If you miss no more than one of these nine self-assessment questions you might want to move ahead to the Exam Preparation Tasks section. Table 15-1 lists the major headings in this chapter and the Do I Know This Already quiz questions covering the material in those headings so you can assess your knowledge of these specific areas. The answers to the Do I Know This Already quiz appear in Appendix A. Table 15-1 Do I Know This Already Foundation Topics Section-to-Question Mapping Foundation Topics Section Questions IP Troubleshooting Tips and Tools 1-6 A Routing Troubleshooting Scenario 7-9 472 Chapter 15 Troubleshooting IP Routing 1. An internetwork diagram shows a router R1 with the ip subnet-zero command configured. The engineer has typed several configuration commands into a word processor for later pasting into the router s configuration. Which of the following IP addresses could not be assigned to the router s Fa0 0 interface a. b. .