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Exam 220-1001 topic 1 question 144 discussion

Actual exam question from CompTIA's 220-1001
Question #: 144
Topic #: 1
[All 220-1001 Questions]

Which of the following IEEE 802.11 standards includes the use of MIMO technology?

  • A. 802.11a
  • B. 802.11b
  • C. 802.11g
  • D. 802.11n
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Suggested Answer: D 🗳️
by Takoyaki at Sept. 28, 2020, 3:54 p.m.

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Takoyaki
Highly Voted 4 years, 8 months ago
802.11n is the first of these standards to use multiple input, multiple output over more than one antenna for wireless connectivity. All other standards listed here do not employ MIMO.
upvoted 15 times
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QAI
Highly Voted 3 years, 2 months ago
IEEE 802.11n 20 MHz and 40 MHz 2.4 GHz frequency band 5.0 GHz frequency band rate of up to 600 Mbps Multiple Input / Multiple Output (MIMO) Backwards compatible with 802.11g 802.11b 802.11a
upvoted 6 times
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