CHAPTER 17
Local Network Security: Review Questions
Review the following summary points before proceeding to the “Review Questions” and “Exam Questions” sections at the end of this chapter to make sure you are comfortable with every concept. After completing the review, answer the review questions to verify your knowledge of the material covered in Part III.
Summary Points
- The most widely discussed hierarchical networking initiative is the open systems interconnection (OSI) model put forward by the International Standards Organization.
- Every networking course examines the OSI model in terms of what types of devices, protocols, and functions exist at each level. However, different cybersecurity challenges may be present at each level.
- Network topologies are Layer 1—physical or logical—connection strategies that fall into four basic types of configurations: star, bus, ring, and mesh.
- Most networks employ connectivity devices, such as hubs...
