Free PW0-100 Exam Braindumps (page: 79)

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Which of the following are units of measure for a relative change in power level? Select two.

  1. dBm
  2. dBi
  3. dB
  4. mW

Answer(s): B,C

Explanation:

B and C represents a relative change in power level while A and D represents an absolute change in power level. See page 44 in CWNA Study Guide 2nd edition



Using IEEE compliant 802.11b wireless LAN systems, what is the maximumdata transmission rate that can be achieved in any given area without network contention?

  1. 11 Mbps
  2. 22Mbps
  3. 33Mbps
  4. 54 Mbps

Answer(s): A

Explanation:

This is the theoretical amount.



Which of the following frequencies are considered by the FCC to be ISM frequencies? Select three.

  1. 840 MHz
  2. 905 MHz
  3. 1.95 GHz
  4. 2.45 GHz
  5. 5.80 GHz
  6. 3.1 GHz

Answer(s): B,D,E



What term is used to describe the amount of time spent by a wireless LAN radio transmitting data on a channel in an FHSS system?

  1. Convergence
  2. Dwell
  3. Coding
  4. Broadcast

Answer(s): B

Explanation:

The frequency of the carrier is periodically modified (hopped) following a specific sequence of frequencies.
In FHSS systems, the spreading code is this list of frequencies to be used for the carrier signal, a.k.a. the "hopping sequence"
The amount of time spent on each hop is known as dwell time and is typically in the range of 100 ms.






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