Download CompTIA Network + Certification Study Guide (4th Edition) by Glen E. Clarke PDF

By Glen E. Clarke

Four hundred+ sensible examination Questions, a hundred% insurance, 2 complete grasp Exams

1 simple community strategies .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 community Protocols
and criteria . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
3 Networking Components
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4 TCP/IP Fundamentals
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
5 Subnetting and Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
6 TCP/IP Utilities .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
7 instant Networking
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
8 distant Connectivity
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
9 vast region Network
Technologies
.. . . . . . . . . . . . . . . . . . . . . . . . . . 437
10 enforcing a community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469
11 retaining and helping a Network
.. . . . . . . . . . . . . . . . . . . . . . 533
12 community protection .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 597
13 Troubleshooting the community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685

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Additional info for CompTIA Network + Certification Study Guide (4th Edition)

Example text

Notice in Figure 1-11 that the wireless cells, or access points, are connected to the network by connecting into the hub or switch that has a connection to the rest of the wired network. Also notice that the clients do not have cables connecting them to the network. These are wireless clients, and they will get access to the network through the wireless cell (or access point). Another option for wireless networks is the use of a radio antenna on or near the building, which allows one cell to cover the building and the surrounding area.

Figure 1-14 shows a coaxial cable with the copper core and the layers of insulation. There are two types of coax cabling: thinnet Both thinnet and thicknet and thicknet. The two differ in thickness and have a transfer rate of 10 Mbps. maximum cable distance that the signal can travel. Let’s take a look at thinnet and thicknet: n Thinnet This refers to RG-58 cabling, which is a flexible coaxial cable about ¼-inch thick. Thinnet is used for short-distance communication and is flexible enough to facilitate routing between workstations.

Most of the modern operating systems such as Windows XP and Windows Vista already have built-in peer-to-peer networking capabilities, which is why building a peer-to-peer network would be a “cheap” network solution. The disadvantage of a peer-to-peer network is the lack of centralized administration—with peer-to-peer networks, you need to build user accounts and configure security on each system. Figure 1-1 A peer-to-peer network hub Workstation A Laser printer Workstation B Workstation C Identifying Characteristics of a Network 5 It is important to note that peer-to-peer networks are designed for fewer than 10 systems, and with Microsoft client operating systems such as Windows XP Professional, only 10 concurrent network connections to those clients are allowed.

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