CWNP New Released Exam: CWNA-106 Dumps Free Download From Braindump2go!(1-12)

An 802.11 WLAN transmitter that emits a 50 mW signal is
connected to a cable with 3 dB of loss. The cable is connected to an antenna
with 16 dBi of gain.
What is the EIRP power output?

A.    10 mW
B.    25 mW
C.    50 mW
D.    250 mW
E.    1000

Answer: E

What is always required to establish a high quality 2.4 GHz RF
link at a distance of 3 miles (5 kilometers)?

A.    Minimum output power level of 2 W
B.    Accurate Earth Bulge
C.    Grid antennas at each endpoint
D.    A minimum
antenna gain of 11 dBi at both endpoints
E.    A Fresnel Zone that is at
least 60% clear of obstructions

Answer: E

What phrase defines Equivalent Isotropically Radiated Power

A.    The power output from the radio into the RF cable
B.    The power
output from the radio after cable losses
C.    The highest RF signal
strength that is transmitted from a given antenna
D.    Reflected power due
to an impedance mismatch in the signal path
E.    Power supplied from the
transmission line to the antenna input

Answer: C

What term describes the effect of increasing the intensity of
an RF wave with an antenna by focusing the energy in a specific direction?

A.    Distributed Radiation
B.    Active Amplification
C.    Beam
D.    Passive Gain
E.    RF Flooding

Answer: D

Which antenna types are commonly used by indoor Wi-Fi devices
in a MIMO diversity implementation? (Choose 2)

A.    Dipole
B.    Patch
C.    Dish
D.    Grid
E.    Sector

Answer: AB

What phrase correctly completes the following sentence?

When using WMM Power Save operation, a wireless client device

A.    Alternates between awake and dozing, depending on its need to transmit
and receive information
B.    Enters a low-power radio state until it
receives a WMM PS-Poll frame from the AP
C.    Experiences higher throughput
and lower latency than when operating in Active mode
D.    Powers down a
subset of MIMO radio chains and transmits information at a slower data rate

E.    Buffers frames destined to the low-power AP until the AP wakes its
radio and begins beaconing again

Answer: A

When replacing the antenna of a WLAN device with a similar
antenna type that has a higher passive gain, what antenna characteristic will

A.    Beam width
B.    Range
C.    Active gain
D.    Receive
E.    Fresnel Zone size

Answer: A

What statements about the beamwidth of an RF antenna are true?
(Choose 2)

A.    The lower the gain of an antenna, the more narrow one or both
beamwidths become.
B.    The beamwidth patterns on an antenna polar chart
indicate the point at which the RF signal stops propagating.
C.    Horizontal and vertical beamwidth are calculated at the points in which the main
lobe decreases power by 3 dB.
D.    Horizontal beamwidth is displayed (in
degrees) on the antenna’s Azimuth Chart.

Answer: CD

What HT technology requires MIMO support on both the
transmitter and receiver?

A.    Spatial multiplexing
B.    Short guard intervals
C.    Maximal
ratio combining
D.    Orthogonal Frequency Division Multiplexing

Answer: A

ABC Company has just purchased a 6 dBi patch antenna. After
performing some tests with the 6 dBi antenna, they have concluded that more
antenna gain is needed to cover their outdoor courtyard. When choosing an
antenna with higher gain, what other antenna characteristic will also always

A.    Fresnel Zone size
B.    Maximum input power
C.    Beamwidth

D.    Impedance
E.    VSWR Ratio

Answer: C

AP-1 is a 3×3:2 AP. STA-3 is a 3×3:3 client. What is the
maximum number of spatial streams that can be used for a downlink HT-OFDM
transmission from AP-1 to STA-3?

A.    One spatial stream, because the definition of the AP indicates that it
is capable of only one spatial stream.
B.    Three spatial streams, because
the definition of the client indicates that it is capable of only three spatial
C.    Two spatial streams, because the definition of the AP
indicates that it is capable of only two spatial streams.
D.    Three
spatial streams, because the definition of the AP indicates that it is capable
of only three spatial streams.

Answer: C

You are implementing a VHT-capable AP. Which one of the
following channels is available in the 802.11ac amendment to the 802.11-2012
standard, which was not available in the standard before this amendment?

A.    153
B.    144
C.    161
D.    56
E.    48

Answer: B

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