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XK0-005 · Question #1263
XK0-005 Question #1263: Real Exam Question with Answer & Explanation
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System Management
Question
A new IO card has been added to the security server to log the opening and closing of the main entrance. A switch is attached, so the interface card returns a 1 when the door is opened and a 0 when the door is closed. Which of the following describes the Linux device to which this switch is attached?
Options
- A/dev/tty0
- B/dev/port
- C/dev/gpio
- D/dev/sg0
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Topics
#Linux Devices#Hardware Interaction#GPIO#Device Files