CompTIA Network+ Exam Cram, Third Edition - download pdf or read online

By Mike Harwood

ISBN-10: 076869034X

ISBN-13: 9780768690347

The new variation of CompTIA community+ examination Cram is the 1st booklet to hide the community+ 2009 exam.

Covers the severe info you’ll want to know to attain greater in your community+ exam!

  • Implement confirmed top practices for dealing with networks successfully and reliably
  • Thoroughly comprehend community parts, units, cabling, and connectors
  • Systematically evaluation TCP/IP, comparable community protocols, and the OSI version
  • Manage community working structures and consumers
  • Identify community vulnerabilities and configure community defense to deal with them
  • Use protection instruments akin to cryptography and antivirus software program
  • Provide trustworthy, safe net entry, WAN entry, and VLAN aid
  • Implement catastrophe restoration plans that defend enterprise continuity
  • Troubleshoot community and net connectivity difficulties
  • Efficiently record the community and supply fine quality consumer support


CD gains try out Engine!

  • Detailed causes of right and fallacious solutions
  • Multiple try out modes
  • Random questions and order of solutions
  • Coverage of every community+ examination objective 

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Extra resources for CompTIA Network+ Exam Cram, Third Edition

Sample text

Therefore, systems can be added, removed, and relocated with little cost or disruption to the network. Hybrid Topologies As you might expect, topology designs are not black-and-white. Many of the topologies found in large networking environments are a hybrid of physical topologies. An example of a hybrid topology is the star bus—a combination of the star topology and the bus topology. 15 shows how this might look in a network implementation. 15 Workstation Workstation A star bus topology. EXAM ALERT Another meaning The term hybrid topology also can refer to the combination of wireless and wired networks.

As you may have guessed, MAC address type of a VLAN assigns membership according to the workstation’s MAC address. To do this, the switch must keep track of the MAC addresses that belong to each VLAN. The advantage of this method is that a workstation computer can be moved anywhere in an office without needing to be reconfigured. Because the MAC address does not change, the workstation remains a member of a particular VLAN. 4 provides examples of the membership of MAC address-based VLANs. qxd 2/12/09 2:49 PM Page 25 25 Virtual Local Area Networks (VLANs) VLAN Segmentation The capability to logically segment a LAN provides a new level of administrative flexibility, organization, and security.

Point-to-Point, Point-to-Multipoint, and Wireless Mesh Topologies When setting up a wireless network, you can choose from several other topologies. These include the point-to-point, point-to-multipoint, and the wireless mesh configuration. Point-to-Point Networks As the name suggests, in a point-to-point (PtP) wireless configuration, the communication link travels from one node directly to one other node. Wireless point-to-point systems often are used in wireless backbone systems such as microwave relay communications, or as a replacement for a single wired communication cable.

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CompTIA Network+ Exam Cram, Third Edition by Mike Harwood

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