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WIRELESS TECHNOLOGIES & RF FINA
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WIRELESS TECHNOLOGIES & RF FINA
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WIRELESS TECHNOLOGIES & RF FINAL802.11 technology is typically deployed at which fundamental layer of network
architecture?
A. Core
B. Distribution
C. Access
D. Network - Answers -C. Access
Which organization is responsible for enforcing maximum transmit power rules in an
unlicensed frequency band?
A. IEEE
B. Wi-Fi Alliance
C. ISO
D. IETF
E. None of the above - Answers -E. None of the above
802.11 wireless bridge links are typically associated with which network architecture
layer?
A. Core
B. Distribution
C. Access
D. Network - Answers -B. Distribution
The 802.11-2012 standard was created by which organization?
A. IEEE
B. OSI
C. ISO
D. Wi-Fi Alliance
E. FCC - Answers -A. IEEE
What organization ensures interoperability of WLAN products?
A. IEEE
B. ITU-R
C. ISO
D. Wi-Fi Alliance
E. FCC - Answers -D. Wi-Fi Alliance
Samantha received a gaming system as a gift. She would like to have it communicate
with
,her sister Jennifer's gaming system so that they can play against each other. Which of
the
following technologies, if deployed in the two gaming systems, should provide for the
easiest configuration of the two systems to communicate with each other?
A. Wi-Fi Personal
B. Wi-Fi Direct
C. 802.11n
D. CWG-RF
E. Wi-Fi Protected Setup - Answers -B. Wi-Fi Direct
What other Wi-Fi Alliance certifications are required before a Wi-Fi radio can also be
certified as Voice Enterprise compliant? (Choose all that apply.)
A. WMM-Power Save
B. Wi-Fi Direct
C. WPA2-Enterprise
D. Voice Personal
E. WMM-Admission Control - Answers -A. WMM-Power Save
C. WPA2-Enterprise
E. WMM-Admission Control
Which of the following wireless communications parameters and usage are typically
governed by a local regulatory authority? (Choose all that apply.)
A. Frequency
B. Bandwidth
C. Maximum transmit power
D. Maximum EIRP
E. Indoor/outdoor usage - Answers -A, B, C, D and E.
The Wi-Fi Alliance is responsible for which of the following certification programs?
(Choose all that apply.)
A. WECA
B. Voice Personal
C. 802.11v
D. WAVE
E. WMM-PS - Answers -B. Voice Personal
E. WMM-PS
A wave is divided into degrees. How many degrees make up a complete wave?
A. 100
B. 180
C. 212
,D. 360 - Answers -D. 360
What are the advantages of using unlicensed frequency bands for RF transmissions?
(Choose all that apply.)
A. There are no government regulations.
B. There is no additional financial cost.
C. Anyone can use the frequency band.
D. There are no rules. - Answers -B. There is no additional financial cost.
C. Anyone can use the frequency band.
The OSI model consists of how many layers?
A. Four
B. Six
C. Seven
D. Nine - Answers -C. Seven
What RF component is responsible for generating the AC signal?
A. Antenna
B. Receiver
C. Transmitter
D. Transponder - Answers -D. Transmitter
A point source that radiates RF signal equally in all directions is known as what?
A. Omnidirectional signal generator
B. Omnidirectional antenna
C. Intentional radiator
D. Nondirectional transmitter
E. Isotropic radiator - Answers -E. Isotropic radiator
When calculating the link budget and system operating margin of a point-to-point
outdoor WLAN bridge link, what factors should be taken into account? (Choose all that
apply)
A. Distance
B. Receive sensitivity
C. Transmit amplitude
D. Antenna height
E. Cable loss
F. Frequency - Answers -A. Distance
B. Receive sensitivity
C. Transmit amplitude
E. Cable loss
, F. Frequency
The sum of all the components from the transmitter to the antenna, not including the
antenna, is known as what? (Choose two)
A. IR
B. Isotropic radiator
C. EIRP
D. Intentional radiator - Answers -A. IR
D. Intentional Radiator
The highest RF signal strength that is transmitted from an antenna is known as what?
A. Equivalent isotropically radiated power
B. Transmit sensitivity
C. Total emitted power
D. Antenna radiated power - Answers -A. Equivalent isotropically radiated power
Select the absolute units of power. (Choose all that apply)
A. Watt
B. Milliwatt
C. Decibel
D. dBm
E. Bel - Answers -A. Watt
B. Milliwatt
D. dBm
Select the units of comparison (relative). (Choose all that apply)
A. dBm
B. dBi
C. Decibel
D. dBd
E. Bel - Answers -B. dBi
C. Decibel
D. dBd
E. Bel
2 dBd is equal to how many dBi?
A. 5dBi
B. 4.41 dBi
C. 4.14 dBi
D. The value cannot be calculated. - Answers -C. 4.14 dBi
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