Match each item with a statement below.

A. interference between two devices configured to use the same frequency channel
B. a coordination method used by 802.11g devices that prevents 802.11 and 802.11b devices that do not "understand" OFDM from attempting to initiate a transmission
C. an added 800-nanosecond delay at the end of each 802.11 frame
D. interference caused when delayed multipath signals arrive at the receiver antenna
E. A combination of modulation, guard interval, and FEC coding that defines the data rates in 802.11n/ac
F. a 2-microsecond interframe space that can be used in 802.11n networks working in greenfield mode
G. a transmission technique that uses multiple radios and multiple antennas to send different parts of the same message simultaneously
H. a power-saving mode defined in 802.11n
I. the generic name given to the 802.11ac amendment by the IEEE
J. a term used to describe the transmission of telephone calls on WLANs


A. co-channel interference
B. CTS-to-self
C. guard interval
D. intersymbol interference
E. modulation and coding sets
F. reduced interframe space
G. spatial multiplexing
H. SMPS
I. VHT
J. VoWLAN

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