By Glen Clarke
The top totally built-in examine method available
With enormous quantities of perform questions and hands-on routines, CompTIA community+ Certification learn advisor, Fourth Edition covers what you must know-and indicates you the way to prepare-for this difficult examination.
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- Inside the examination sections spotlight key examination subject matters covered
- Two-Minute Drills supply quickly overview on the finish of each chapter
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Covers the entire examination themes, including:
Basic community thoughts * community Protocols and criteria * Networking parts * Subnetting and Routing * TCP/IP Utilities * instant Networking * distant Connectivity * broad sector community applied sciences * community Implementation * community upkeep and aid * community defense * community Troubleshooting
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Additional info for CompTIA Network plus Certification Study Guide
If we want to allow the two offices to share information with one another, we would connect the two LANs together, creating a WAN. The term metropolitan area network (MAN) is not used often anymore; it refers to a network that exists within a single city or metropolitan area. If we had two different buildings within a city that were connected together, it would be considered a MAN. Types of Networks Organizations of different sizes, structures, and budgets need different types of networks. A local newspaper company has needs for its network that would be different from the needs of a multinational company.
Another disadvantage of a star topology is cost. To connect each workstation to the network, you will need to ensure that there is a hub with an available port, and you will need to ensure you have a cable to go from the workstation to the hub. Today, the cost is increasingly less of a disadvantage because of the low prices of devices such as hubs and switches. Mesh Topologies A mesh topology is not very common in computer networking today, but you must understand the concept for the exam. In a mesh topology, every workstation has a connection to every other component of the network, as illustrated in Figure 1-8.
After switching the wires on one end, you would have a cable that has the order of wires shown in Table 1-4. Table 1-4 Wire Connector #1 Connector #2 The 568B Wiring Standard for a Crossover Cable 1 White wire/orange stripe (whiteorange) White wire/green stripe (white-green) 2 Orange wire Green wire 3 White wire/green stripe (white-green) White wire/orange stripe (whiteorange) 4 Blue wire Blue wire 5 White wire/blue stripe (white-blue) White wire/blue stripe (white-blue) 6 Green wire Orange wire 7 White wire/brown stripe (whitebrown) White wire/brown stripe (whitebrown) 8 Brown wire Brown wire 28 Chapter 1: Basic Network Concepts Figure 1-21 A crimping tool Before moving on to other cable types, apply what you have learned by crimping (creating) your own CAT 5 cable.