Question 1

Due to extreme system use, a Linux system requires some additional swap space. Toinitialize 5GB of additional swap space, which combination of commands should be used?

Options :

A : dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount/tmp/swapfile

B : dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile

C : dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile

D : touch -5G /tmp/swapfile; swapon /tmp/swapfile

E : mkswap /tmp/swapfile 512000; swapon /tmp/swapfile

Answer: C

Question 2

Which single command will simulate a failed device within a RAID 5 array?

Options :

A : mdadm --remove /dev/md0 /dev/sdd1

B : mdadm --zero-superblock /dev/sdf3

C : mdadm --force-fault /dev/md2 /dev/sde2

D : mdadm --fail /dev/md0 /dev/sdc1

E : mdadm /dev/md0 --offline /dev/sdc1

Answer: D

Question 3

How is the source code for the main Linux kernel modules distributed?

Options :

A : It is included with the Linux kernel source code.

B : The kernel modules are downloaded on demand as they are used during compilation.

C : The kernel modules have their own release cycle and can be maintained separatelyfrom the Linux kernel source.

D : It is provided as a separate download alongside the Linux kernel source code of thesame version.

Answer: A

Question 4

The correct command sequence to create and mount logical volumes on a Linux system is:

Options :

A : lvcreate, pvcreate, vgcreate, mkfs, mount

B : pvcreate, vgcreate, lvcreate, mkfs, mount

C : vgcreate, lvcreate, pvcreate, mount, mkfs

D : mkfs, pvcreate, vgcreate, lvcreate, mount

E : pvcreate, lvcreate, vgcreate, mkfs, mount

Answer: B

Question 5

On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains thekernel configuration parameters?

Options :

A : config-linux-3.4.50-11

B : config-3.4.50-11

C : system-3.4.50-11

D : vmlinuz-3.4.50-11

E : rc.config-3.4.50-11

Answer: B

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