Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
- Create BookmarkCreate Bookmark
- Create Note or TagCreate Note or Tag
- DownloadDownload
- PrintPrint
Chapter 18. Finding All Subnet IDs > Exam Preparation Tasks
Exam Preparation Tasks
Review All the Key Topics
Review the key topics as part of your study (see Table 18-4), but know that you will likely come to know all the information in these key topics through practice and repitition.
Table 18-4 Key Topics for Chapter 18
Definitions of Key Terms
Define the following key terms from this chapter and check your answers in the Glossary:
Answers to Earlier Practice Problems
The section, “Practice Problems for This Chapter” listed three practice problems. The answers are listed here so that they are not visible from the same page as the list of problems.
Answer, Practice Problem 1
Problem 1 lists network 192.168.9.0, mask /27. The mask converts to DDN mask 255.255.255.224. When used with a Class C network, which has 24 network bits, only 3 subnet bits exist, and they all sit in the fourth octet. So, this problem is a case of less than 8 subnet bits, with the fourth octet as the interesting octet.
