Cwna Questions and Correct Answers the Latest Updat
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Which one of the following organizations performs compatibility testing of
802.11 hardware?
a. IETF
b. Wi-Fi Alliance
c. FCC
d. MIC
B is correct. The Wi-Fi Alliance performs compatibility testing against 802.11
wireless devices based on 802.11 standards or subsets of those standards.
...
Cwna Questions and Correct Answers
the Latest Update
Which one of the following organizations performs compatibility testing of
802.11 hardware?
a. IETF
b. Wi-Fi Alliance
c. FCC
d. MIC
✓ B is correct. The Wi-Fi Alliance performs compatibility testing against 802.11
wireless devices based on 802.11 standards or subsets of those standards.
Within the 802.11 standard to understand the details of Beacon frame options.
What organization provides a website that you can use to gain access to the
✓ A is correct. The IEEE website can be used to access 802.11 standard documents.
They are free after a period of six months passes from their ratification.
Your organization has decided to install a WLAN in their warehouse facility.
The warehouse is approximately 400 meters from the main building and it has
no Ethernet or other wired network connection run between the main building
and the warehouse. Which one of the following wireless technologies will most
likely be used to provide a link between the main building and the warehouse?
a. WPAN
b. WMAN
c. WWAN
d. WLAN
✓ D is correct. WLAN bridges will most likely be used in this scenario as it is a shorter
distance link than required by WWAN solutions.
What IEEE standard specified a port-based authentication solution?
✓ B is correct. The 802.1X standard specified port-based authentication and is used in
enterprise WLAN security solutions.
What frequency bands are most commonly used by WLAN hardware?
a. 2.4 GHz and 5 GHz
b. 2.4 GHz and 100 GHz
c. 5 GHz and 10 MHz
d. None of these
✓ A is correct. While the sub-1 GHz, TV whitespace, and 60 GHz bands are used, by
far the most commonly utilized bands are 2.4 GHz and 5 Ghz.
What is indicated when a device is certified by the Wi-Fi Alliance as 802.11b/g/n
certified?
a. It is a 5 GHz-only device
b. It is a 2.4 GHz-only device
c. It supports WPA2-Enterprise
d. It supports WPA-Personal
✓ B is correct. When the certificate indicates only 802.11b/g/n, it indicates 2.4 GHz-
only support as these amendments are all operable in 2.4 GHz and, if 5 GHz were
supported, 802.11a would be listed as well.
What is based on an IETF document and defines communications between a
lightweight access point and a controller?
a. CAPWAP
b. 802.1Q
c. EAP
d. RADIUS
✓ A is correct. CAPWAP and LWAPP are defined in IETF RFCs. They both specify
methods of communications between an access point and a controller.
What Wi-Fi Alliance certification ensures proper VoIP communications even
when moving from one access point to another?
a. WMM
b. Voice-Personal
c. Voice-Enterprise
d. WPS
✓ C is correct. Voice-Enterprise is a certification that ensures proper communications
for VoIP across a WLAN even when roaming between access points. Voice-Personal
only ensures such communications when connected to a single AP.
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