CompTIA Network+ Certification Study Guide part 7 pptx

... more expensive than UTP.DAMAGE AND DEFENSE…Physical SecurityPhysical 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, ... routers, and hubs.Fiber-optic cabling doesn’t suffer from attenuation as copper cabling does. Part of the electric signal passed along a copper wire will be absorbed by the cable and weaken...

CompTIA Network+ Certification Study Guide part 4 pptx

... 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 ... them:BusStarRingMeshPoint-to-pointPoint-to-multipointHybridWirelessLogical Networking Topologies 17 accessed to store data and access necessary resources. These dedicated servers could be mainframes ... words, when a computer is FIGURE 1.3 A Bus Topology.Exam WarningOne of the testable items on the Network+ exam is being able to identify a topology based on either the description given, or by...

CompTIA Network+ Certification Study Guide part 9 pptx

... CHAPTER 2: Network Media 74 10BaseT and BeyondIn addition to the standards that use coaxial cable, there are also those ... types of media. Questions may appear that speciﬁcally require this knowledge.Media Standards 73 workstation on an Arcnet network receives a token, it has the opportunity to communicate on ... your cables. You should also test the run and any other cables you are using.Cable Management 67 or vertical runs of cabling down elevator shafts. When determining how the cable should run from...

CompTIA Network+ Certification Study Guide part 15 pptx

... at that level. In addition, clients FIGURE 3.8A Screened Subnet Firewall.Network Devices 1 27 Dual-Homed Host FirewallsA dual-homed ﬁrewall consists of a single computer with two physical ... packets travel into the internal network, they only know of the computer host that exists. Figure 3 .7 shows an illustration of a screened-host conﬁguration.Screened Subnet FirewallsA screened subnet ... pro-vides two additional levels of security. First, by adding a link internally, you FIGURE 3 .7 A Screened Host Firewall.FIGURE 3.6A Dual-Homed Host Firewall.Network Devices 133 examined...

CompTIA Network+ Certification Study Guide part 23 pptx

... Jamming attacks are sometimes used as the prelude to further Common Exploits of Wireless Networks 2 07 Active Attacks on Wireless NetworksOnce an attacker has gained sufﬁcient information from the ... 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 requires additional tools that can be found on many security sites.Many apartments and older ofﬁce buildings are not prewired for the high-tech networks in use today. To...

CompTIA Network+ Certification Study Guide part 35 pptx

... addresses can be associated with particular interfaces on particular devices (such as 224.0.0.5 for Open Shortest Path First- enabled Private Network Addresses 3 27 sites that are connected only ... IGMP allows host computers on the Internet to participate in IP multicasting. A multicast address identiﬁes a transmission session instead of a particular physical destination. This allows for ... You need to allow your clients to communicate with the DHCP server to get an address so they can participate on the network, accessing services and so on. You have three clients on one remote...

CompTIA Network+ Certification Study Guide part 52 pptx

... AS SINGLE NETWORK SUPPLIER ON 4/26/09Network Monitoring 4 97 During off hours, people need to know that problems are to go through a particular person or group of people who have a list of people ... 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 499Dropped packets – Routers ... ﬁrst-come ﬁrst-served basis. There is no guarantee at all. For real-time data transfers QoS level 7 is used. This priority level is usually associated with voice or multimedia data packets.Table...

CompTIA Network+ Certification Study Guide part 54 pptx

... 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 ... conﬁguration for a particular network interface card (NIC). You’ll use the information you gather to determine which component of your network has failed or is misconﬁgured.Self Test 5 17 FIGURE 10.16DSample ... CHAPTER 10: Network Management 518SELF TEST QUICK ANSWER KEYA1. D2. C3. D4. B5. C6. A7. A8. B9. D10. B11. D12. C13. D14. A 15. CHAPTER 10: Network Management 516FIGURE 10.16BSample...

CompTIA Network+ Certification Study Guide part 65 pptx

... Gateway: 172 .16.0.1C. DNS Servers: 172 .16.0.100D. 172 .16.0.101As part of a recent network redesign, you had to change the default gate-way used by your clients to a different IP address: 172 .16.1.1. ... networkC. The NIC installed in Router A attached to Subnet BD. The TCP/IP conﬁguration of Computer7FIGurE 12.11 Sample network architecture.Self Test 633FIGurE 12.12 Sample network architecture.You ... 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....

CompTIA Network+ Certification Study Guide part 68 pptx

... 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 ... manner, there is addi-tional cabling to connect every one of them to each other.FIGURE 1.9 6 57 NETWORK+ EXAM N10-004Self Test AppendixCHAPTER 1: NETWORK FUNDAMENTALSYou are creating a network ... are internetworked. Ofﬁce A 7. has a single computer that has the ability to dial into the Internet, but isn’t connected to the other ofﬁces. Ofﬁce B is in another part of the country from the...

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