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Q81. - (Topic 5)
How can the label root be added to the ext2 filesystem on /dev/sda1?
A. relabel /dev/sda1 root
B. tune2fs -L root /dev/sda1
C. echo 'root' > /proc/fs/sda1/label
D. labelfs --device /dev/sda1 root
Answer: B
Q82. - (Topic 5)
Which RAID level value must be used with Linux software RAID in order to create an array of mirrored devices?
A. 1
B. 5
C. 6
D. container
E. mirrorstripe
Answer: A
Q83. - (Topic 2)
Which archive format is used to create an initramfs image?
A. gzip
B. tar
C. RAR
D. cpio
E. bzip2
Answer: D
Q84. - (Topic 5)
What action should be performed after increasing the size of a logical volume?
A. Run vgresize.
B. Increase the size of the filesystem used for the logical volume.
C. Run lvresize.
D. Remount the logical volume.
Answer: B
Q85. CORRECT TEXT - (Topic 2)
A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?
Answer:
oldconfig, make oldconfig
Q86. - (Topic 2)
Which of the following command sequences can be used to extract files contained in a initramfs file (/boot/initramfs) which is used by the kernel at boot time?
A. cp /boot/initramfs /tmp/initramfs.gz; gzip -c /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd
/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
B. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd
/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
C. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ - o loop -t initramfs
D. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd
/tmp/initramfs.dir ; cpio -e /tmp/initramfs
E. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ - o loop -t initrd
Answer: B
Q87. - (Topic 8)
When is the most important time to restore a file from your backup?
A. On a regular scheduled basis to verify that the data is available.
B. When the system crashes.
C. When a user inadvertently loses a file.
D. When your boss asks to see how restoring a file works.
Answer: A
Explanation: According to ‘best practice’, you should regularly restore files to verify that your backup procedures are working. It’s no good backing up files regularly if you are unable to restore files when needed.
Q88. - (Topic 8)
You need to search the entire directory structure to locate a specific file. How could you do this and still be able to run other commands while the find command is still searching for you file?
A. find / -name filename &
B. find / -name filename
C. bg find / -name filename
D. &find / -name filename &
Answer: A
Explanation: The find command is used to locate files. / is the root directory, so searching from / will search the entire directory tree. The –name <filename> enables you to search for a file named <filename>. The ampersand character (&) is used to return control of the shell returning you to the command prompt, without have to wait for the command to execute.
Reference: http://www.oreillynet.com/linux/cmd/f/find.html
Incorrect Answers
B:With no ampersand (&) following the command, you will not be able to run other commands until the find command has completed its search.
C:The bg command is used to run a suspended job in the background if job control is enabled. However, the program or command would have to started and then suspended for this to work.
D:The ampersand (&) must follow the command, not precede it.