LPIC-2 Exam 201 (Linux Engineer) — Question 7

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

Answer options

• A. iw phy pyh0 info
• B. iw dev wlan0 info
• C. iw dev wlan0 show
• D. iw phy wlan0 show
• E. iw phy0 show

Correct answer: A

Explanation

The correct answer is A, as 'iw phy pyh0 info' is the command specifically designed to show the capabilities of the wireless interface. The other options either reference the wrong interface or do not provide the necessary information about capabilities and frequencies.