TAILIEUCHUNG - Network+ Certification (Outline) - Chapter 14: Planning the network

This chapter includes contents: Why does the organization want a new network installed? What services does the organization want the network to provide? Evaluating the installation site, evaluating distances between components, environmental conditions,. | Chapter 14 Planning the Network 1 Chapter Overview A. Determining Network Needs B. Providing Fault Tolerance C. Collecting Essential Information Chapter 14 Lesson 1 Determining Network Needs 2 3 1. Evaluating Business Requirements A. The first step in developing a network plan is to understand the requirements of the organization that will run the network and the needs of the people who will use it. B. Why does the organization want a new network installed 1. You might be providing a network for a new installation that has no existing equipment. 2. You might be asked to network a group of existing stand-alone computers. 3. The organization might have an existing network that it wants to upgrade to a new or different technology. C. What services does the organization want the network to provide 1. An organization with an existing network or a group of computers that it wants to connect to a network probably has a basic idea of what services it wants the network to provide. a. An organization that wants a new installation might know less about what it needs. 2. At the most basic level organizations usually want their users to be able to access shared drives and printers and connect to the Internet. a. Sharing drives and printers is a fundamental networking task that almost any network technology can provide. b. Computers must run the Transmission Control Protocol Internet Protocol TCP IP protocols to access the Internet and they need a router to connect the network to an Internet service provider ISP . 3. Users often know what they want in a network but do not understand the technical requirements and implementation issues. a. Some organizations might need to maintain elaborate databases which require powerful servers with fast processors a lot of memory and large hard drives. b. Others might need to work with huge graphic images or full-motion video which require enormous amounts of network bandwidth and a lot of storage. c. A financial company might want to provide

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