Information Technology Reference
In-Depth Information
CHAPTER 1
Network Design Methodology
Networks can become complex and difficult to manage. Network architectures and de-
sign methodologies help you manage the complexities of networks. This chapter provides
an overview of Cisco's architectures for the enterprise and the Prepare, Plan, Design, Im-
plement, Operate, and Optimize (PPDIOO) network life cycle. This chapter also describes
the six network life cycle phases and steps in design methodology.
The “Do I Know This Already?” quiz helps you identify your strengths and deficiencies in
this chapter's topics.
The ten-question quiz, derived from the major sections in the “Foundation Topics” portion
of the chapter, helps you determine how to spend your limited study time.
Ta ble 1-1 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 1-1
“Do I Know This Already?” Foundation Topics Section-to-Question Mapping
Foundation Topics Section
Questions Covered
in This Section
Cisco Architectures for the Enterprise
1, 2, 3, 4
Prepare, Plan, Design, Implement, Operate, and Optimize Phases
5, 6
Identifying Customer Requirements
9, 10
Characterizing the Existing Network
7
Designing the Network Topology and Solutions
8
