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NO.1 An engineer notices that the batteries on a Cisco 792X series wireless
phone are draining quite
a bit even while not placing calls. What should be
changed on the SSID to fix this?
A. enable U-APSD on the WLAN to save
power
B. enable Multicast Direct to cut down on the multicast
processing
C. set DTIM to 2 on the operational band of the voice
clients
D. set P2P to forward down-stream so that clients are not interfering
with each other
Answer: C
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NO.2 A client's VoWLAN network requires fast roaming on legacy CCXv3 certified
devices, which last
received an update in 2007. What two fast roaming
standards and authentication methods would be
supported? (Choose two.)
A.
802.11r with EAP-FAST
B. CCKM with LEAP
C. CCKM with EAP-FAST
D. CCKM
with PEAP
E. 802.11r with EAP-TLS
F. CCKM with EAP-TLS
G. 802.11r with
PEAP
H. 802.11r with LEAP
Answer: B,C
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NO.3 During the testing and verification phase of an 802.11n deployment, an
employee wants to be
able to stream video at a much faster rate than the
previous 802.11a/b/g deployment. What 802.11n
capability can be utilized for
this?
A. Clients can make use of MIMO to aggregate the data sent from the
access points whether 802.11n
or 802.11a to create a higher throughput
network.
B. Clients can utilize ClientLink which allows them to use the
signal received from 802.11n access
points on its various radio chains to
perform multi-ratio combining.
C. Access points and clients are capable of
utilizing spatial-multiplexing, multi-ratio combining, and
transmit
beamforming, which allows for a more efficient wireless spectrum that can
utilize higher
data-rates.
D. Clients are able to utilize High-Rate Direct
Sequence Spread Spectrum (HR-DSSS) to reach higher
data-rates, which in turn
allow for much faster video streaming.
Answer: C
Cisco 642-742 latest dumps information
NO.4 Which three options are benefits of U-APSD? (Choose three.)
A. priority
bandwidth and polling
B. synchronization of the transmission and reception of
voice frames
C. increased call capacity
D. bandwidth reservation
E.
optimized power-save mode periods
Answer: B,C,E
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