CWNP PW0-100 Exam Questions
PW0-100 Wireless LAN Administration, Certified Wireless Network Administrator (CWNA) (Page 15 )

Updated On: 21-Feb-2026

A GAIN of +3dB yields a power ratio of?

  1. 2:1
  2. 3:1
  3. 10:1
  4. 1:10

Answer(s): A

Explanation:

The reference point that relates the logarithmic dB scale to the linear watt scale is:
1 mW = 0 dBm
The m in dBm refers simply to the fact that the reference is 1 milliwatt (1 mW) and therefore a dBm measurement is a measurement of absolute power. The relationship between the decibels scale and the watt scale can be estimated using the following rules of thumb:
+3 dB will double the watt value:
(10 mW + 3dB ?___ 20 mW)



Available WLAN security solutions include?

  1. Mobile IP.
  2. 802.1x with EAP.
  3. LDAP with PAP.
  4. OSPF

Answer(s): B

Explanation:

the more features
the access point has, the more the access point will cost. For example, some SOHO access points will have WEP, MAC filters, and even a built-in web server. If features such as viewing the association table, 802.1x/EAP support, VPN support, routing functionality, Inter-access point protocol, and RADIUS support are required, expect to pay several times as much for an enterprise-level access point.



WLAN client-side devices may use which of the following
security features?

  1. Wireless NetBIOS support.
  2. IPX/SPX support.
  3. Encrypted file sharing.
  4. EAP/LEAP support.

Answer(s): D

Explanation:

EAP-Cisco Wireless. Also called LEAP (Lightweight Extensible Authentication
Protocol), this EAP authentication type is used primarily in Cisco wireless LAN access points. LEAP provides security during credential exchange, encrypts data transmission using dynamically generated WEP keys, and supports mutual authentication.



Which of the following protocols is a common option in Wireless Residential Gateway devices?

  1. OSPF
  2. NAT
  3. BGP
  4. IGMP

Answer(s): B

Explanation:

Wireless Gateways
Residential wireless gateways are now available with VPN technology, as well as NAT, DHCP, PPPoE, WEP, MAC filters, and perhaps even a built-in firewall.These devices are sufficient for small office or home office environments with few workstations and a shared connection to the Internet. Costs of these units vary greatly depending on their range of offered services. Some of the high-end units even boast static routing and RIPv2.



When planning RF links, earth bulge should be considered when planning paths over?

  1. 2 miles / 3.2 kilometers.
  2. 4 miles / 6.4 kilometers.
  3. 7 miles / 11.2 kilometers.
  4. 10 miles / 16 kilometers.

Answer(s): C

Explanation:

Earth bulge - the amount of rise of the earth's surface between long-distance radio links;
must be calculated into tower height for radio links greater than 7 miles






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