By Glen Clarke
The most sensible absolutely built-in research process available
With 1000's of perform questions and hands-on workouts, CompTIA community+ Certification research consultant, Fourth Edition covers what you want to know-and indicates you the way to prepare-for this difficult examination.
- 100% entire insurance of all authentic goals for the CompTIA community+ exam
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Covers the entire examination subject matters, including:
Basic community ideas * community Protocols and criteria * Networking parts * Subnetting and Routing * TCP/IP Utilities * instant Networking * distant Connectivity * huge zone community applied sciences * community Implementation * community upkeep and help * community safeguard * community Troubleshooting
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Extra resources for CompTIA Network plus Certification Study Guide
Because the bank has built a web site on the Internet, I can do that from the comfort of my own home. n Intranet An application is considered to be on the company’s intranet if it is using Internet-type protocols such as HTTP or FTP but the application is available only within the company. The information on a company’s intranet would not be accessible to persons on the Internet because it is not for public use. For example, a few years ago I was sitting with my banking officer going over my account and noticed that the bank had moved all of its customer account information to a web site and that the banking officer was using a web browser to retrieve my account details.
One of the key steps to securing the different network topologies from a wireless communication is to limit who can network diagram. connect to the network and to encrypt the traffic in transit. You will learn about wireless security in Chapter 7. Point-to-Point and Point-to-Multipoint There are two popular layouts for topologies: they are either point-to-point or pointto-multipoint. A point-to-point topology—also known as host to host—is one system connected directly to another system. In the past these systems would connect directly through the serial ports with a null modem cable, but these days, you could connect them using a crossover cable or a wireless connection.
Usually after four or five systems have been networked, the need for a dedicated server to store all of the user accounts and data files becomes apparent—this is a server-based network (see Figure 1-2). The advantage of a server-based network is that the data files that will be used by all of the users are stored on the one server. This will help you by giving you a central point to set up permissions on the data files, and it will give you a central point from which to back up all of the data in case data loss should occur.