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NEW QUESTION 22
What is the purpose of the command vgextend?

• A. Create a volume group which uses all available space on disk.
• B. Add physical volumes to an existing volume group.
• C. Increase the number of days between scheduled error checking.
• D. Extend a volume group's footprint on disk.

Answer: B

 

NEW QUESTION 23
What is the command to add another IP address (192.168.1.2) to a network interface (eth0) that already has (at least) one IP address in the 192.168.1.0/24 subnet?

• A. ip add addr 192.168.1.2/32 dev eth0
• B. ip addr add 192.168.1.2/32 dev eth0
• C. ifconfig eth0 192.168.1.2 netmask 255.255.255.255
• D. ipconfig eth0 192.168.1.2

Answer: B

 

NEW QUESTION 24
Which of the following commands adds a static IPv6 address to the network interface eth0?

• A. ip addr add -6 2001:db8::1337/64 dev eth0
• B. ip addr add 2001:db8::1337/64 dev eth0
• C. ip -6 addr add new 2001:db8::1337/64 dev eth0
• D. ip add addr 2001:db8::1337/64 dev eth0
• E. ip -6 add addr 2001:db8::1337/64 dev eth0

Answer: C

 

NEW QUESTION 25
Which of the following commands restores only those files containing lpiin their name from the archive lpifiles.tar.gz?

• A. tar -xvfz lpifiles.tar.gz --deep '*lpi*'
• B. tar -xvzf lpifiles.tar.gz --subdirs '*lpi*'
• C. tar xvzwf lpifiles.tar.gz '*lpi*'
• D. tar xvzf lpifiles.tar.gz --globbing '*lpi*'
• E. tar xvzf lpifiles.tar.gz --wildcards '*lpi*'

Answer: E

 

NEW QUESTION 26
What happens if the Linux kernel can't mount the root filesystem when booting?

• A. An error message is shown showing which device couldn't be mounted or informing that init couldn't be found.
• B. An error message is shown and the administrator is asked by the kernel to specify a valid root filesystem to continue the boot process.
• C. An error message is shown stating that the corresponding kernel module couldn't be loaded.
• D. An error message is shown and the system boots in maintenance mode.
• E. An error message is shown and the system reboots after a keypress.

Answer: A

 

NEW QUESTION 27
Which of the following are common Linux filesystem types used for root partitions?
(Choose THREE correct answers.)

• A. VFAT
• B. ext4
• C. Btrfs
• D. XFS
• E. NTFS

Answer: B,C,D

 

NEW QUESTION 28
Fill in the blank.
Which is the main configuration file for the SystemV init process? (Specify the full name of the file, including path.)

Answer:

Explanation:
/etc/inittab

 

NEW QUESTION 29
What effect does the -foption to the update-rc.dcommand have on files in the /etc/rcX.d/and / etc/init.d/directories?

• A. It will force the removal of the symlinks in /etc/rcX.d/even when the links are read only
• B. It will remove the init script in /etc/init.d/and the symlinks in /etc/rcX.d/and update the package information of installed files
• C. It will force the removal of symlinks in /etc/rcX.d/even if the corresponding init script still exists in / etc/init.d/
• D. It will remove both the symlinks in /etc/rcX.d/and the init script in /etc/init.d/

Answer: C

 

NEW QUESTION 30
CORRECT TEXT
Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?

Answer:

Explanation:
/dev/disk/by-uuid, by-uuid, /dev/disk/by-uuid/

 

NEW QUESTION 31
Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowing the original logical volume to be updated?

• A. lvsnapshot
• B. lvcreate
• C. lvsnap
• D. lvm2
• E. lvcclone

Answer: B

 

NEW QUESTION 32
In the following output, what percentage of time was the CPU waiting for pending I/O?
# 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

• A. 57.7
• B. 35.9
• C. 0
• D. 1
• E. 36.6

Answer: D

 

NEW QUESTION 33
Which commands below are useful to collect data about remote filesystem connections?
(Choose TWO correct answers.)

• A. pidstat
• B. cifsiostat
• C. sadf
• D. nfsiostat

Answer: B,D

 

NEW QUESTION 34
If the file containing the Linux kernel is deleted, what happens when the system boots?

• A. Without a kernel system cannot boot and, depending on the bootloader, an error is displayed
• B. Instead of the kernel, the initramfs is loaded and instructed to mount the root filesystem and reinstall the kernel from the original package or from source
• C. The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk
• D. The bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the administrator to reinstall the kernel

Answer: A

Explanation:
Explanation/Reference:

 

NEW QUESTION 35
Which command can be used to scan a specified network looking for IP addresses that appear to be in use?

• A. tcpdump
• B. netscan
• C. nmap
• D. hostdiscover
• E. ip

Answer: C

 

NEW QUESTION 36
What is the purpose of a system mount unit?

• A. It is used only to mount network file systems to local mount points. It cannot be used for local media
• B. It is used by the command systemd-mount and allows users to mount partitions to mount points of their choice
• C. It is used by the command mount when using system to mount and unmount file systems
• D. It is created by the command systemd-fstab-generator to integrate entries from /etc/fstab into the system boot process

Answer: B

 

NEW QUESTION 37
In the following output, the load averages represent the system load averages for what time frames?
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31

• A. 15, 30 and 60 minutes
• B. 1, 15, and 30 seconds
• C. 1, 5 and 15 minutes
• D. 15, 30 and 60 seconds
• E. 1, 15 and 30 minutes

Answer: C

 

NEW QUESTION 38
Which command reports information on memory usage, paging and block input/output?

• A. pidof
• B. vmstat
• C. memshow
• D. lsof
• E. free

Answer: B

 

NEW QUESTION 39
Which commands below are useful to collect data about remote filesystem connections? (Choose two.)

• A. pidstat
• B. cifsiostat
• C. fsiostat
• D. sadf
• E. nfsiostat

Answer: B,E

 

NEW QUESTION 40
Which of the following init systems comes along with an own UEFI boot loader?

• A. systemd
• B. launchd
• C. Upstart
• D. OpenRC
• E. SysVinit

Answer: A

 

NEW QUESTION 41
Which of the following is an example path to a Linux software RAID array?

• A. /dev/pr0
• B. /dev/md1
• C. /dev/rd1
• D. /dev/raid0

Answer: B

 

NEW QUESTION 42
CORRECT TEXT
Which file contains the text message that is displayed after logging into the console?
(Specify the full name of the file, including path.)

Answer:

Explanation:
/etc/motd

 

NEW QUESTION 43
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?

• A. /dev/sdd
• B. /dev/hdb
• C. /dev/scd1
• D. /dev/sr1
• E. /dev/sr0

Answer: E

 

NEW QUESTION 44
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