CompTIA Network+ Certification Study Guide part 5 pot

... together, the LANs become parts of a WAN. When looking at WANs, ownership isn’t a defining factor. WANs are often owned and managed by more than one organization. Each LAN that is part of the WAN may ... part of the WAN may be managed by individuals or IT departments, and either maintains their connection to the rest of the LAN or hires outside parties to perform that function. For exa...

Ngày tải lên: 04/07/2014, 13:20

... than Category 5; rated at 200 MHz; suitable for Ethernet, Fast Ethernet, Gigabit Ethernet, Token Ring, and 155 Mbps ATM. CAT 6 Same as CAT5e, but higher standard. Rated at 250 MHz; suitable ... Ring, and 155 Mbps ATM. CAT 5e 1000 Mbps. Recommended for all new installations and was designed for transmission speeds of up to 1 Gbps (Gigabit Ethernet). Similar to Category 5, but manufactu...

Ngày tải lên: 04/07/2014, 13:21

... subscriber line (SDSL) 1 .54 4 Mbps 12,000 feet Very high digital subscriber line (VDSL) Downstream: 12.9 to 52 .8 Mbps. upstream: 1 .5 to 2.3 Mbps Speeds decrease over distance. 450 0 feet at 12.96 ... or G. lite 1 .54 4 to 6 Mbps 18,000 feet ISDN digital subscriber line (IDSL) 128 Kbps 18,000 feet High digital subscriber line (HDSL) Varies depending on twisted pair lines. 1 .54 4...

Ngày tải lên: 04/07/2014, 13:21

... Quick Answer Key 169 SELF TEST QUICK ANSWER KEY A1. B2. D3. B4. B5. D6. B7. A8. A9. D10. A11. C12. A13. D14. B 15. Self Test 167 You have decided to implement redundant switches on ... outlets? A. PoE B. STP C. Trunking D. VLAN 171 CHAPTER 5 EXAM OBJECTIVES IN THIS CHAPTER RADIO FREQUENCY AND ANTENNA BEHAVIORS AND CHARACTERISTICS 1 75 WIRELESS NETWORK CONCEPTS 179 COMMO...

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... this chapter, we look at the networking models that provide guidelines for vendors of networking products, including the early Depart- ment of Defense (DoD) model as well as the International ... possible issues based on digital technology. FIGURE 6.4 Analog Signaling. FIGURE 6 .5 Digital Signaling. The OSI Model 2 45 network cards is provided a unique set of MAC addresses so that (theor...

Ngày tải lên: 04/07/2014, 13:21

... address Which of the following is a valid MAC address?7. A. 00: 05: J6:0D:91:K1 B. 10.0.0.1- 255 . 255 . 255 .0 C. 00: 05: J6:0D:91:B1 D. 00:D0:A0:5C:C1:B5 You are the system administrator for a small company ... TEST QUICK ANSWER KEY C1. A2. B3. C4. B5. D6. D7. D8. B9. B10. D11. C12. A and C13. A, B, and D14. D 15. Self Test 283 C. UDP Port 25 D. TCP Port 110 Standards...

Ngày tải lên: 04/07/2014, 13:21

... Subnet Mask Class A 255 .0.0.0 Class B 255 . 255 .0.0 Class C 255 . 255 . 255 .0 Table 7.12 ANDing Network ID and Default Subnet Mask Class A Network ID = 66 01000010 Default Subnet Mask = 255 11111111 Bitwise ... bitwise ANDing? Convert your 2. answer from binary to dotted decimal. Compare 146.64.1 95. 36 and 255 . 255 .224.0. Answer: The result is 146.64.192.0 In this example, the underl...

Ngày tải lên: 04/07/2014, 13:21

... Rates Optical Carrier Level Data Transmission Rate OC-1 51 .84 Mbps OC-3 155 .52 Mbps OC-12 622.08 Mbps OC-24 1.244 Gbps OC-48 2.488 Gbps OC-192 10 Gbps OC- 256 13.271 Gbps OC-768 40 Gbps Internet Access ... The base rate of OC-1 is 51 .84 Mbps. INTERNET ACCESS METHODS In this section, we look at Internet access technologies such as DSL, cable, plain old telephone service (POTS)/public-sw...

Ngày tải lên: 04/07/2014, 13:21

... or dynamic/private ports. User ports range from 1,024 through 49, 151  Dynamic/private ports range from 49, 152 through 65, 5 35  If there are no specialty applications communicating with a network, ... Inspection Communication information Partial Partial Yes Communication-derived state No Partial Yes Application-derived state No Yes Yes Information manipulation Partial Yes Yes Hardware...

Ngày tải lên: 04/07/2014, 13:21

... connections. Keep Test Day Tip You will not need to know how an e-commerce DMZ is set up to pass the Network+ exam; however, it is important to know this information for real-world security work. CHAPTER ... performance making small changes to the access controls to more easily manage the rule sets. Using these guidelines, administra- tors should be able to quickly get the site up and ru...

Ngày tải lên: 04/07/2014, 13:21