Home > Articles > What's the Purpose of the Network?

What's the Purpose of the Network?

By Zig Zsiga.
Sample Chapter is provided courtesy of Cisco Press.
Date: Jul 3, 2023.

Chapter Information

Chapter Description

As a network designer, understanding the purpose and goal of the network is critical to properly designing it. This sample chapter from Cisco Certified Design Expert (CCDE 400-007) Official Cert Guide maps to the CCDE v3.0 Unified Exam Topics Section 4.0, "Service Design," and covers the service design topics—from business applications and service models, to the cloud and data management—you need to meet business objectives.

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Cisco Certified Design Expert (CCDE 400-007) Official Cert Guide

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Define Key Terms

Define the following key terms from this chapter and check your answers in the glossary:

single-server model

2-tier model

3-tier model

web tier

application tier

database tier

on-premises

Software as a Service (SaaS)

Platform as a Service (PaaS)

Infrastructure as a Service (IaaS)

carrier-neutral facility (CNF)

cloud access point (CAP)

private cloud

public cloud

hybrid cloud

multi-cloud

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