Information Technology Reference
In-Depth Information
CHAPTER 2
Network Structure Models
This chapter reviews the hierarchical network model and introduces Cisco's Enterprise
Architecture model. This architecture model separates network design into more manage-
able modules. This chapter also addresses the use of device, media, and route redundancy
to improve network availability.
The “Do I Know This Already?” quiz helps you identify your strengths and deficiencies in
this chapter's topics.
The eight-question quiz, derived from the major sections in the “Foundation Topics” por-
tion of the chapter, helps you determine how to spend your limited study time.
Ta ble 2 -1 outlines the major topics discussed in this chapter and the “Do I Know This Al-
ready?” quiz questions that correspond to those topics.
Ta b l e 2 -1
“Do I Know This Already?” Foundation Topics Section-to-Question Mapping
Foundation Topics Section
Questions Covered
in This Section
Hierarchical Network Models
1, 3
Cisco Enterprise Architecture Model
2, 5, 6, 7
High Availability Network Services
4, 8
