Online Access Free 201-450 Exam Questions

The following command has just been run successfully:
cd /opt; tar xvf /dev/nst0;
What will happen if the command sequence is run again?

• A.The contents of /opt will have additional content added from the next file on the tape.
• B.An error saying that there is no tape present is generated because the tape has been ejected after being used.
• C.The contents of /opt will be restored again.
• D.The entire contents of /opt will be replaced with the contents of the next file on the tape.

Where should the LILO code reside, on a system with only one installation of Linux and no other operating systems?

• A.In the master boot record
• B.In the /boot directory
• C.In the boot sector
• D.At the start of the kernel

On a system with separate partitions for /, /usr, /var, /tmp, which filesystem[s] can safely be mounted readonly?

• A./usr
• B./var, /usr
• C./tmp
• D./usr, /, /tmp
• E./var

Which files are updated as devices are mounted and unmounted to provide information on the currently mounted devices and the options used? (Choose TWO correct answers.)

• A./etc/mtab
• B./proc/mounts
• C./proc/devices
• D./proc/dtab
• E./etc/fstab

Which of the following commands will copy one disk partition /dev/sda3 to /dev/sdb3?

• A.dd --input /dev/sdb3 --output /dev/sda3 bs=4096 conv=notrunc
• B.dd if=/dev/sda3 of=/dev/sdb3 bs=4096 conv=notrunc
• C.dd --input /dev/sda3 --output /dev/sdb3 bs=4096 conv=notrunc
• D.dd if=/dev/sdb3 of =/dev/sda3 bs=4096 conv=notrunc