CompTIA Network+ Certification Study Guide part 9 pptx
CompTIA Network+ Certification Study Guide part 9 pptx
... used for 10Base2 networks.RG-58 C/U, which is a military implementation of RG-58 A/U.RG- 59, which is used for broadband transmissions (such as cable television), and is used for 10Base5 ... networks.RG-6, which is used for broadband, but supports higher transmis-sion rates than RG- 59. RG-62, which is used for Arcnet.RG-8, which is 10Base5 cable.NOTES FROM THE FIELD…Security ... know how vulnerable it is to disruption of service or intrusion.LAN Technologies and Standards 69 110 BlockWhen you want to terminate your connections you will want to connect to a 110 block....
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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 ... 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 ... as a server, it is not advisable to use it for other purposes.Logical Networking Topologies 19 File server, which allow clients to save data to folders on its hard drive.Print server, which...
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CompTIA Network+ Certification Study Guide part 7 pptx
... Fiber-optic 10 Gbps10GbaseLX4 Fiber-optic 10 Gbps10GbaseLR Fiber-optic 10 GbpsMedia Issues 49 ST, are plugged into a port, whereas others such as BNC and ST connectors have threading that ... 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,...
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CompTIA Network+ Certification Study Guide part 15 pptx
... Network Devices 1 29 must be configured to pass through the proxy to use it. Proxy servers are also used to mask the ... internal segments of the organization’s network (often called the protected network). Figure 3 .9 shows a common installa-tion using this layered approach.As shown in Figure 3.10, the second ... is protected by a firewall from both the external network and the systems in the DMZ. FIGURE 3 .9 A Layered DMZ Implementation.CHAPTER 3: Network Devices 126FirewallsA firewall protects a...
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CompTIA Network+ Certification Study Guide part 23 pptx
... 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 ... (DDoS) attacks, or they can be specific to wireless networks Common Exploits of Wireless Networks 2 09 many authentication requests, each of which includes the original plaintext message and the returned ... 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...
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CompTIA Network+ Certification Study Guide part 35 pptx
... which allows viewing a NoteBOOTP is described in RFC 95 1 and RFC 1084 and is used for booting diskless nodes. Updated in RFC 1 395 and RFC 1 497 and superseded by DHCP, BOOTP is still supported ... 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 ... (224.0.0.2), or RIPv2 group (224.0.0 .9) addresses. Permanent addresses can also be assigned by the IANA for other protocols or uses. These addresses are reserved for particular purposes and are referred...
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CompTIA Network+ Certification Study Guide part 52 pptx
... locations.”http://www.boarding.no/art.asp?id=36 195 NEWS ARTICLE: CZECH AIRLINES SELECTS SITA AS SINGLE NETWORK SUPPLIER ON 4/26/ 09 Network Monitoring 497 During off hours, people need to know that problems are to go through a particular ... 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 have buffers and if these routers ... Production Server with the Hair Pulled Back, Revealing a Rack of Cheap Networked PCs, Circa 199 9.Image courtesy of Wikimedia Commons, picture taken by Steve JurvetsonCHAPTER 10: Network...
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CompTIA Network+ Certification Study Guide part 54 pptx
... connectivity problem between Computer A, with an IP address of 192 .168.1.1 and subnet mask of 255.255.255.0, and Computer B with an IP address of 192 .168.2.5 and a subnet mask of 255.255.255.0 – this ... 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 ... you should do is go to Computer A and check 1. things out for yourself. Use Computer A to ping 192 .168.2.5, the IP address of Computer B, to confirm that the two computers are unable to communicate.If...
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CompTIA Network+ Certification Study Guide part 65 pptx
... Computer9 that you now need to add to Subnet C. Which of the following would be a valid IP address that would allow Computer9 to access resources on all four subnets?A. 192 .168.3.155B. 192 .168.3.1C. ... networkB. The 192 .168.1.1 interface on Router AC. The 192 .168.4.1 interface on Router BD. The 192 .168.5.1 interface on Router AFIGurE 12.14 Sample network architecture.Self Test 6 29 You are ... Computer9 to access resources on all four subnets?A. 192 .168.3.155B. 192 .168.3.1C. 192 .168.3.0D. 192 .168.3.255Self Test 635You are the administrator of the network shown in Figure 12.14....
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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 ... similar manner, there is addi-tional cabling to connect every one of them to each other.FIGURE 1 .9 657 NETWORK+ EXAM N10-004Self Test AppendixCHAPTER 1: NETWORK FUNDAMENTALSYou are creating a ... log onto the network using a single server. Based on this information, which of the Offices are part of a LAN and a WAN?A. Office A and BB. Office B and CC. Office C and DD. The entire network...
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