CWNA Certified Wireless Network Administrator Official Study by Planet3 Wireless, Devin Akin

By Planet3 Wireless, Devin Akin

Recommended by way of the instant LAN organization, this complete examine advisor deals whole insurance of all goals for CWNA 2.0 examination PW-100. within, you will find one hundred fifty+ perform examination questions with whole solutions, step by step workouts, bankruptcy self-tests, margin notes, and masses extra that will help you organize for this tough examination.

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Connecting two buildings together that are on opposite sides of the street B. Connecting two computers together in a small office so they can share a printer C. Connecting a remote home to a WISP for Internet access D. Connecting two rack-mounted computers together 3. Why is a wireless LAN a good choice for extending a network? Choose all that apply. A. Reduces the cost of cables required for installation B. Can be installed faster than a wired network C. The hardware is considerably less expensive D.

Gain and Loss Measurements Power gain and loss are measured in decibels, not in watts, because gain and loss are relative concepts and a decibel is a relative measurement. g. g. half of its power). Losing half of the power in a system corresponds to losing 3 decibels. If a system loses half of its power (-3 dB), then loses half again (another -3 dB), then the total system loss is 3/4 of the original power - ½ first, then ¼ (½ of ½). Clearly, no absolute measurement of watts can quantify this asymmetrical loss in a meaningful way, but decibels do just that.

Just as xDSL providers have problems going further than 18,000 feet from the central office and cable providers have issues with the cable being a shared medium to users, WISPs have problems with rooftops, trees, mountains, lightning, towers, and many other obstacles to connectivity. Certainly WISPs don't have a fail-proof solution, but they have the capability to offer broadband access to users that other, more conventional technologies cannot reach. 11a at 54Mbps). 5) as the trade off for speed and quality of service.

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