Free PW0-100 Exam Braindumps (page: 83)

Page 83 of 151

Power over Ethernet (PoE) provides which of the following effects to a wireless LAN? A.
Injects DC power onto the Category 5 Ethernet cable.

  1. Reduces the need for additional AC power outlets.
  2. Allows the network designer to use access points instead of bridges.
  3. Allows Access Points and Bridges to be installed in areas up to 200 meters from the wiring closet.
  4. Eliminates the need for external antennas on access points and bridges.
  5. Allows the data cable to be extended beyond the typical 100 meter limit.

Answer(s): A,B

Explanation:

Power over Ethernet (PoE) is a method of delivering DC voltage to an access point, wirelessbridge, or wireless workgroup bridge over the Cat5 Ethernet cable for the purposeof powering the unit. PoE is used when AC power receptacles are not available wherewireless LAN infrastructure devices are to be installed. The Ethernet cable is used tocarry both the power and the data to the units.


Reference:

CWNA Official Study Guide, Page 147



Which of the following are mandatory characteristics of WEP according to the IEEE 802-11 standard?

  1. Exportable
  2. Extremely difficult to break
  3. Computationally efficient
  4. Self-synchronizing
  5. Use of RC5 encryption
  6. Scalable to 256 bits of encryption

Answer(s): A,C,D

Explanation:

pg 381 in CWNA User Guide 2nd edition



When an RF wave propagates through space, its amplitude at any given point degrades as it becomes wider with distance. This natural expansion causes what negative effect in a wireless LAN system?

  1. Linear Circumference Loss
  2. Free-Space Path Loss
  3. Transmission Obfuscation
  4. Connection-point Attenuation

Answer(s): B



What can MAC filters be implemented on a wireless LAN?

  1. Access points
  2. Wireless LAN USB client
  3. RADIUS servers
  4. Wireless LAN SNMP agent
  5. Personal firewall software

Answer(s): A,C

Explanation:

pgs 391 & 392 in CWNA User Guide 2nd edition



Page 83 of 151



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