Free PW0-100 Exam Braindumps (page: 3)

Page 3 of 151

The "hidden node" problem can be caused by?

  1. Interfering obstacles between clients.
  2. Clients broadcasting with too much power.
  3. Access points broadcasting with too little power.
  4. Clients being too close together.

Answer(s): A

Explanation:

Hidden node is a problem where two nodes can connect to an access point but they cannot connect to each other due to some obstacles or a large amount of distance between them.
(CWNA Study Guide, p. 272)



Antenna Diversity compensates for which of these common
wireless LAN problems?

  1. Near/Far
  2. Hidden Node
  3. Multipath
  4. Adjacent Channel Interference

Answer(s): C

Explanation:

In order to troubleshooting multipath successfully, antenna diversity is needed to compensate the certain conditions. (CWNA Study Guide, p. 270)



Which authentication, authorization, and accounting (AAA) support options does the 802.11 standard specify?

  1. RADIUS
  2. LDAP
  3. TACACS+
  4. None of the above

Answer(s): D

Explanation:

802.11i (not 802.11) standard supports AAA.



To achieve 54 Mbps, 802.11a uses which type of data
modulation?

  1. QFSK
  2. BPSK
  3. 64QAM
  4. CCK

Answer(s): C

Explanation:

On page 221 of the CWNA study Guide (2nd edition) it is mentioned that the 802.11a standard specifies the use of the ODFM technology. ODFM is the secret behind how 802.11a gets up to 54 Mbps data rates. In the answers given ODFM is not mentioned so this is something to think about.



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