CompTIA Network+ Certification Study Guide part 4 pptx
CompTIA Network+ Certification Study Guide part 4 pptx
... Once a tunnel is established, encryption protocols are used to CHAPTER 1: Network Fundamentals 24 separated logically through the use of a VLAN. VLAN databases can provide important details to ... became very clear that when hubs and switches only come in predefined capacities such as 5, 8, 12, 24, or even 36 ports, potentially we could be wasting resources by not fully utilizing all the ports ... 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...
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CompTIA Network+ Certification Study Guide part 7 pptx
... Fiber-optic 1 Gbps (1000 Mbps)10GbaseSR 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 ... ones and zeros is referred to as a bit, and 8 bits of data make a byte. A word is considered 4 bytes, which is essentially 32 bits … the same length as an IP (Internet Protocol) address, which ... 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...
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CompTIA Network+ Certification Study Guide part 9 pptx
... Orange and white3 Green Green and white 4 Brown Brown and whiteTable 2 .4 Twisted-Pair Wire/Pin PlacementPin Wire1 Orange and white2 Orange3 Green and white 4 Blue5 Blue and white6 Green7 Brown ... segment, with each tap spaced 2 1/2 m apart.Determining how long a 10Base5 cable could be lengthened using dif-ferent segments can be calculated using the 5 -4- 3 rule. A 10Base5 cable can have ... supports distances of 300 m over a new 2000 MHz km MMF.10GBaseLX4 that uses wavelength division mul- tiplexing and supports ranges of 240 m and 300 m over MMF, or 10 km over single-mode fiber (SMF).10GbaseLR...
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CompTIA Network+ Certification Study Guide part 15 pptx
... safe connection is being created between two points that cannot be CHAPTER 3: Network Devices 1 34 to maintain. However, hardware implementations are considered more secure, because they are not ... 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....
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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 ... controls, wireless headsets, microphones and audio speakers, and other devices that use the 2 .4 GHz frequency).MITM Attacks on Wireless NetworksPlacing a rogue AP within range of wireless ... 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
... 2 24. 0.0.0 to 2 24. 255.255.255, that have been specifically assigned by the IANA. The permanent addresses are defined in the protocol itself, such as the all-hosts (2 24. 0.0.1), all-routers (2 24. 0.0.2), ... for any traffic. Although multicast addresses can be associated with particular interfaces on particular devices (such as 2 24. 0.0.5 for Open Shortest Path First- enabled Private Network Addresses ... allows viewing a NoteBOOTP is described in RFC 951 and RFC 10 84 and is used for booting diskless nodes. Updated in RFC 1395 and RFC 149 7 and superseded by DHCP, BOOTP is still supported for legacy...
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CompTIA Network+ Certification Study Guide part 52 pptx
... Traffic Policing.Image courtesy of supportwiki.cisco.com, see Doc ID: 19 645 . http://www.cisco.com/en/US/tech/tk 543 /tk 545 /technologies_tech_note09186a00800a3a25.shtml#policingvsshapingPolicingShapingTraffic ... SELECTS SITA AS SINGLE NETWORK SUPPLIER ON 4/ 26/09Network Monitoring 49 7During off hours, people need to know that problems are to go through a particular person or group of people who have ... their married name on a system, or someone being unable to find a particular Web page on the corporate intranet).Network Monitoring 49 9Dropped packets – Routers have buffers and if these routers...
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CompTIA Network+ Certification Study Guide part 54 pptx
... 10: Network Management 518SELF TEST QUICK ANSWER KEYA1. D2. C3. D4. B5. C6. A7. A8. B9. D10. B11. D12. C13. D 14. A 15. CHAPTER 10: Network Management 516FIGURE 10.16BSample PacketTrap ... 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 ... the default gateway is functioning.If your default gateway responds, try pinging another host on 4. the same network segment as Computer B, the computer that’s failing to respond. If you get...
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CompTIA Network+ Certification Study Guide part 65 pptx
... this employee’s workstation.D. Configure a firewall rule allowing traffic to TCP ports 80 and 44 3.Self Test 627A. Install and configure the POP3 service.B. Change the startup type of the ... 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 629You are the ... (Select all that apply.)A. pingB. tracertC. pathpingD. tracerouteE. nslookupF. dig 4. You are the network administrator for a network that employs a Windows 2003 server and 30 Windows...
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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 ... area network. The company needs to send a maxi-mum of 1 Mbps, which is below the T1 speed of 1. 544 Mbps. Although slower than T3 (which is more expensive), it meets the needs of the company.Incorrect ... 128 Kbps. Answer D is incorrect because a T3 connection provides speeds ranging from 3 Mbps to 44 .736 Mbps, which makes it too fast for their needs. It is also the most expensive, meaning that...
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