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Exam 200-355 topic 1 question 166 discussion

Actual exam question from Cisco's 200-355
Question #: 166
Topic #: 1
[All 200-355 Questions]

What is the channel width of an 802.11b wireless channel?

  • A. 10 MHz
  • B. 20 MHz
  • C. 5 MHz
  • D. 22 MHz
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Suggested Answer: D 🗳️
by xtrattitude4u at Aug. 2, 2019, 7:04 p.m.

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mugen2000
5 years, 5 months ago
You are absolutely right, sir.
upvoted 1 times
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xtrattitude4u
5 years, 11 months ago
802.11b uses the transmission type DSSS, which uses a channel width of 22mhz. OFDM uses a channel width of 20mhz.
upvoted 3 times
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