The udev device manager program would typically be used to disable network access when a USB network card is removed.

True

False

Which one of the following programs acts as a server, facilitating secure remote access by client programs?

		sshd
		ssh
		scp
		sftp

A terminal emulation package provides a command-line interface (CLI) contained within a window in a graphical desktop environment.

True

False

On a dual boot system, every time the system is booted back into Linux the time has been set backward by two hours. Which of the following commands will correct the problem so it will not occur again?

		ntpdate pool.ntp.org
		date -d 'two hours'
		hwclock --hctosys --localtime
		time hwclock

You would like to remove the MYVAR environment variable. What command should you use?

		unset MYVAR
		unset $MYVAR
		delete MYVAR
		delete $MYVAR