A Guide to Windows NT Server.pptVIP

Chapter 2: Basic Network Design and Protocols Learning Objectives Plan a network Explain network topologies Describe network communications media Explain how network cable connects to a computer Describe the Ethernet and token ring transport methods Learning Objectives Describe Microsoft networking services and protocols Determine how to select the topology and communications cable for a given installation Determine how to select the right protocol for a given installation An Overview of Networks Local area networks (LANs) Metropolitan area networks (MANs) Enterprise networks Wide area networks (WANs) An Overview of Networks Local area networks (LANs) A series of interconnected computers, printers, and other equipment that share hardware and software resources Usually limited to a given floor, office area, or building A Sample LAN An Overview of Networks Metropolitan area networks (MANs) A network that links multiple LANs within a large city or metropolitan region ex. Intel Oregon (Washington County) Jones Farm (Hillsboro) Hawthorne Farm (Hillsboro) Cornell Oaks (Beaverton) Ronler Acres (Hillsboro) Aloha (Aloha) An Overview of Networks Enterprise networks A network that reaches throughout a large area (e.g., cities, states) connecting many kinds of LANs and network resources Generally, privately-owned/leased wires Wide area networks (WANs) A far-reaching system of networks that can extend across state lines and across continents Slower links between sites (LANs) Enterprise Networks Connected into a WAN Planning a Network Size and purpose of organization Potential growth of the organization in terms of people and services Number of mission-critical applications on the network Important cycles for the business Planning a Network Relationship of network resources to the mission of the business Security needs Amount budgeted for network and computer resources Developing a Plan Number and kinds of workstations and their operating systems Number and kinds of server and h