By A. Anthony Bruno
CCDA examination Certification advisor is a complete examine software DCN examination #640-441. Written by means of a CCIE and CCDA, and reviewed by way of Cisco technical specialists. CCDA examination Certification advisor can assist you already know and grasp the examination pursuits. during this bought assessment at the layout parts of the DCN examination, you are going to learn how to layout a community that meets a customer's requisites for functionality, safety, potential and scalability. each one bankruptcy of CCDA examination Certification advisor teaches you CCDA-related applied sciences and recommendations via specifically designed evaluation and learn positive factors. "Do i do know This Already?" quizzes assist you plan your bankruptcy examine, section-by-section target lists continue you centered at the examination fabric you want to grasp, case stories problem your layout talents, and chapter-ending quizzes attempt your retention of bankruptcy classes.
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You should always review the geographical structure of the company with the corporate structure. Doing this research helps you understand and locate major user communities. • Current and future staffing—The network must have enough flexibility to address the needs of the existing staff as well as support the growth and expansion of a company. To help you determine current and future staffing needs, ask the following questions: — Ask the network users how these network changes will affect them. — Ask the network users which department or departments will be affected.
Know the differences between Layer 2 and Layer 3 switching as well. Chapter 4, “Network Topologies and LAN Design,” covers this step in more detail. This section contains an overview of this step. Hierarchical versus Flat Designs The CCDA should understand that there is a limit on the number of nodes in flat network designs. Network broadcasts can overcome slow serial links. Build the network in a hierarchical manner with subnetting to reduce the amount of traffic on WAN links. The CCDA must understand the three layers of the hierarchical model for network design: the core, distribution, and access layers.
9 Diagram the flow of information for new applications. 10 Isolate the customer’s criteria for accepting the performance of a network. 11 List some tools that will help you characterize new network traffic. book Page 29 Friday, January 7, 2000 5:35 PM CHAPTER 2 Assessing the Existing Network and Identifying Customer Objectives To create a comprehensive design that will meet your customer’s needs, you must understand the customer’s objectives. This chapter is designed to help you obtain the fundamental skills necessary to determine those needs.