Question 1

After the downloading patch-4.6.4.xz from http://kernel.org, what are the next steps to

prepare the build of a version 4.6.4 Linux kernel? (Choose two.)

Options :

A :

Uncompress the file and move the resulting directory to /usr/src/linux

B : Apply the patch file to the kernel source directory containing kernel version 4.6.0

C : Apply the patch file to the kernel source directory containing kernel version 4.6.3

D : Uncompress the file using xz to get the uncompressed patch file

Answer: A,D

Question 2

Due to extreme system use, a Linux system requires some additional swap space. To

initialize 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 3

What should be done to ensure a client machine uses the recursive nameserver running on

the IP address 192.168.0.1? (Choose TWO correct answers.)

Options :

A : Add nameserver 192.168.0.1 to /etc/resolv.conf.

B : Run route add nameserver 192.168.0.1.

C :

Run ifconfig eth0 nameserver 192.168.0.1.

D : Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.

E : Run bind add nameserver 192.168.0.1.

Answer: A,D

Question 4

A network client has an ethernet interface (eth0) configured with an IP address in the

subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that

connects this subnet to the Internet. What needs to be done on the client to enable it to use

the router as its default gateway? (Choose TWO correct answers.)

Options :

A : route add default gw 192.168.0.1 eth0

B : ifconfig eth0 defaultroute 192.168.0.1

C : ip route add default via 192.168.0.1 dev eth0

D : echo defaultroute 192.168.0.1 >> /etc/resolv.conf

E : route add defaultgw=192.168.0.1 if=eth0

Answer: A,C

Question 5

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.)

Options :

A : /proc/dtab

B : /etc/mtab

C : /etc/fstab

D : /proc/mounts

E : /proc/devices

Answer: C