CompTIA Network+ Certification Study Guide part 15 pptx

... clients and visitors to Web sites, a company may stipulate whether information is sold to third parties that may send you advertisements, spam, or phone solicitations.

Ngày tải lên: 04/07/2014, 13:21

... companies expand and spread into different locations, it became difficult to have people in the same departments on the same LAN segments. Someone envisioned being able to reconfigure one physical device ... words, when a computer is FIGURE 1.3 A Bus Topology. Exam Warning One of the testable items on the Network+ exam is being able to identify a topology based on either the description...

Ngày tải lên: 04/07/2014, 13:20

... more expensive than UTP. DAMAGE AND DEFENSE… Physical Security Physical security is an important part of any network. In terms of cabling, you should try to keep as much cabling as possible out ... can send a thousand times this amount. As we’ll see later in this chapter, the features of a particular type of cable can vary greatly. Because different types of cabling are available to use...

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... of the workstation. Each end of the AUI cable uses a 15 pin D-connector, which is also referred to as a Digital-Intel-Xerox (DIX) or DB -15 connector. Although we’ll discuss transceivers and ... installing several runs of cable at a time, you don’t want to be confused as to which cable runs to a particular computer or location. By labeling the cables, this confusion is removed, and y...

Ngày tải lên: 04/07/2014, 13:20

... Common Exploits of Wireless Networks 215 to take the appropriate action to determine whether someone is attempting to hack into the network. Another ... large number of active attacks that a hacker can launch against a wireless network. For the most part, these attacks are identical to the kinds of active attacks that are encountered on wired ... attack. Creating a hijacked AP DoS requir...

Ngày tải lên: 04/07/2014, 13:21

... source addresses for any traffic. Although multicast addresses can be associated with particular interfaces on particular devices (such as 224.0.0.5 for Open Shortest Path First- enabled Private ... come across a question or two that tests your knowledge of RFC 154 2 and broadcast-based communications when working with an RFC 154 2-compliant router. A DHCP server can Multicast, Broadca...

Ngày tải lên: 04/07/2014, 13:21

... issues dealing with the network. After work and on weekends, however, the members of the IT department may rotate the duty of being on-call, so that a different member of the staff is responsible ... their maiden name changed to their married name on a system, or someone being unable to find a particular Web page on the corporate intranet). Network Monitoring 499 Dropped packets – Routers...

Ngày tải lên: 04/07/2014, 13:21

... be related to the computer itself. If it is affecting all computers on a particular subnet or those connected to a particular hub or switch, you can use this information to help you in the ... TEST QUICK ANSWER KEY A1. D2. C3. D4. B5. C6. A7. A8. B9. D10. B11. D12. C13. D14. A 15. CHAPTER 10: Network Management 516 FIGURE 10.16B Sample PacketTrap Perspective capture (Perm...

Ngày tải lên: 04/07/2014, 13:21

... one of your company’s employees needs to access the FTP site of one of your company’s business partners, ftp.airplanes.com, to download large PDF files containing prod- uct marketing information. ... valid IP address that would allow Computer9 to access resources on all four subnets? A. 192.168.3 .155 B. 192.168.3.1 C. 192.168.3.0 D. 192.168.3.255 Self Test 635 You are the administrato...

Ngày tải lên: 04/07/2014, 13:21

... also wrong because Office B isn’t part of a WAN. Answer B is incorrect because although it has a LAN, it isn’t connected to the other networks and therefore isn’t part of the WAN. Answer D is incorrect ... whereas Office D has a client/server network. They are interconnected to one another, and thereby part of a WAN. Incorrect answers and explanations: A, B, and D. Answer A is incorrec...

Ngày tải lên: 04/07/2014, 13:21