Pass CCNA Wireless 640-722 IUWNE Exam in 1st Attempt
640-722 Question Answer:
The IEEE 802.11n standard provides 40-MHz channels, improved MAC efficiency, and MIMO. Which three elements define the 802.11n implementation of MIMO? (Choose three.)A. channel bonding
B. dynamic frequency selection
C. maximal ratio combining
D. packet aggregation
E. spatial multiplexing
F. transmit beam forming
Answer: C,E,F
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