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Exam 201-450 topic 1 question 59 discussion

Actual exam question from LPI's 201-450
Question #: 59
Topic #: 1
[All 201-450 Questions]

Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?

  • A. iw phy pyh0 info
  • B. iw dev wlan0 info
  • C. iw dev wlan0 show
  • D. iw phy wlan0 show
  • E. iw phy0 show
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Suggested Answer: A 🗳️
by qminhh at Jan. 5, 2021, 10:05 a.m.

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lbellic
2 years, 2 months ago
the question ask about wlan0 interface, why is the A correct? i think the correct answer to the question si B
upvoted 2 times
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fzq
3 years, 10 months ago
A - 100%
upvoted 2 times
mira_
3 years, 2 months ago
actual iw phy phy0 info or sudo iw phy phy0 info So with correct spelling of phy0
upvoted 1 times
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milan92stankovic
3 years, 11 months ago
B - 100%
upvoted 1 times
milan92stankovic
3 years, 11 months ago
My mistake. B only gives the current frequency if the network interface is attached to any. A - 100%
upvoted 3 times
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qminhh
4 years ago
iw dev wlp2s0 info Interface wlp2s0 ifindex 3 wdev 0x1 addr d8:12:65:3e:fa:c3 ssid IC-VNPT-2.4Ghz type managed wiphy 0 channel 1 (2412 MHz), width: 20 MHz, center1: 2412 MHz txpower 15.00 dBm
upvoted 2 times
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A (35%)
C (25%)
B (20%)
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