Question 1

Which of the following best describes the format of the /etc/fstab file?

Options :

A : device name; filesystem type; mount point; mount options; dump filesystem; fsck order

B : device name; mount point; filesystem type; mount options; dump filesystem; fsck order

C : device name; mount point; mount options; filesystem type; dump filesystem; fsck order

D : mount point; filesystem type; device name; mount options; dump filesystem; fsck order

E : mount point; device name; filesystem type; mount options; dump filesystem; fsck order

Answer: B

Question 2

When a makefile is included in a source code package, what are commonly defined targets

in the file?

Options :

A : CFLAGS, CPPFLAGS, LIBS, LDFLAGS

B :

clean, install, uninstall

C : PATHS, DESTDIR, LIBS, LDFLAGS

D : prefix, exec_prefix, bindir, mandir

Answer: B

Question 3

During booting, when the Linux kernel loads an initramfs file, which command from the

initramfs will be executed first, if present?

Options :

A : /init

B : /initrd

C : /linuxrc

D : /rc.local

E :

/sbin/init

Answer: A

Question 4

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 5

In this example output, which descriptions match the purpose of the free, buff and cache

columns? (Choose THREE correct answers.)

# vmstat 1 100

procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----

r b swpd free buff cache si so bi bo in cs us sy id wa

0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0

0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0

0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0

0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0

Options :

A : Used swap space

B : RAM available for filesystem buffers

C : Available free RAM

D : RAM used for buffers

E :

RAM used for filesystem cache

Answer: A,C,D

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