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...

Ngày tải lên: 04/07/2014, 13:20

... Fiber-optic 1 Gbps (1000 Mbps) 10GbaseSR Fiber-optic 10 Gbps 10GbaseLX4 Fiber-optic 10 Gbps 10GbaseLR Fiber-optic 10 Gbps Media 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,...

Ngày tải lên: 04/07/2014, 13:20

... Orange and white 3 Green Green and white 4 Brown Brown and white Table 2 .4 Twisted-Pair Wire/Pin Placement Pin Wire 1 Orange and white 2 Orange 3 Green and white 4 Blue 5 Blue and white 6 Green 7 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 ca...

Ngày tải lên: 04/07/2014, 13:20

... 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.

Ngày tải lên: 04/07/2014, 13:21

... 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 Networks Placing a rogue AP within range of wireless ......

Ngày tải lên: 04/07/2014, 13:21

... 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...

Ngày tải lên: 04/07/2014, 13:21

... 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#policingvsshaping Policing Shaping Traffic ... SELECTS SITA AS SINGLE NETWORK SUPPLIER ON 4/ 26/09 Network Monitoring 49 7 During off hours, people need to know that problems are to go through a particular person or g...

Ngày tải lên: 04/07/2014, 13:21

... 10: Network Management 518 SELF TEST QUICK ANSWER KEY A1. D2. C3. D4. B5. C6. A7. A8. B9. D10. B11. D12. C13. D 14. A 15. CHAPTER 10: Network Management 516 FIGURE 10.16B Sample 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 i...

Ngày tải lên: 04/07/2014, 13:21

... this employee’s workstation. D. Configure a firewall rule allowing traffic to TCP ports 80 and 44 3. Self Test 627 A. Install and configure the POP3 service. B. Change the startup type of the ... network B. The 192.168.1.1 interface on Router A C. The 192.168 .4. 1 interface on Router B D. The 192.168.5.1 interface on Router A FIGurE 12. 14 Sample network architecture. Self Test 629 You...

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 ... 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...

Ngày tải lên: 04/07/2014, 13:21