A User Requested a USB Serial Device to Be Added

question 238

Multiple Choice

A user requested a USB serial device to be added to a desktop computer. The device has built-in kernel driver support. The administrator tested the device installation and access, but the user cannot access the serial port. Each time the user attempts to access the device, an error log is created that shows the user does not have permission to use the serial port. Which of the following will add a user to the group that has serial port capabilities?

• A) usermod -a -G serialport $USER
• B) usermod -a -G modem $USER
• C) usermod -a -G dialout $USER
• D) usermod -a -G root $USER

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Definitions:

Northern Hemisphere

The Northern Hemisphere is the half of Earth that lies north of the equator, containing approximately 90% of the human population.

Atmospheric Flow

The movement of air due to differences in temperature and pressure across the Earth's surface.

Heavy Precipitation

The occurrence of a significant amount of rainfall in a short period of time, often leading to flooding.

Rain Forests

Dense, usually tropical forests that receive a high amount of rainfall annually, hosting diverse ecosystems.