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NEW QUESTION 1
If all of the following files and/or symlinks exist in a SysV-init runlevel directory, which of the following will be executed first when booting the system directly into the runlevel?

  • A. S99lpi
  • B. K99lpi
  • C. PRE-S99lpi
  • D. S98lpi
  • E. S99a-lpi

Answer: D

NEW QUESTION 2
Which of the following is a side effect of extensive usage of swap space?

  • A. The root filesystem may become full because swap space is always located on the system root partition.
  • B. The overall system performance may degrade because of heavy hard disk use and memory reorganization.
  • C. Since processes always exist completely in either RAM or swap, regular RAM may become unused if the kernel does not move processes back from the swap space to memory.
  • D. The memory may become fragmented and slow down the access to memory page
  • E. However, this can be kept to a minimum by the regular use of memfrag -d.
  • F. Applications need to restart because their virtual memory addresses change to reflect memory relocation to the swap address area.

Answer: B

NEW QUESTION 3
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
/usr/src/linux, /usr/src/linux/

NEW QUESTION 4
How can the label root be added to the ext4 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

NEW QUESTION 5
What is the full path to the directory which contains the scripts (or links to the original scripts) to run while the system boots to SysV-init runlevel 2?

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
/etc/rc2.d, /etc/rc2.d/, /etc/init.d/rc2.d, /etc/init.d/rc2.d/

NEW QUESTION 6
Please enter the complete path to the main SysV init process configuration file.

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
/etc/inittab

NEW QUESTION 7
A Linux server is running in single user mode for regular maintenance. Which commands are used to restore the server to its usual runlevel? (Choose TWO correct answers.)

  • A. telinit 0
  • B. shutdown -r now
  • C. sync
  • D. shutdown -h now
  • E. reboot

Answer: BE

NEW QUESTION 8
According to the tcpdump output below, what is the IP address of the client host?
02:12:40.511381 IP 192.168.246.11.1045 > 192.168.246.1.22: S 3838532429:3838532429(0) win 5840 <mss
1460,sackOK,timestamp 31325740,nop,wscale 2>
02:12:40.511540 IP 192.168.246.1.22 > 192.168.246.11.1045: S 1209330085:1209330085(0) ack 383853
2430 win 5792 <mss 1460,sackOK,timestamp 11553457 3132574,nop,wscale 0>
02:12:40.511755 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 1 win 1460 <nop,nop,timestamp 3 132574
11553457>
02:12:40.515122 IP 192.168.246.1.22 > 192.168.246.11.1045: P 1:26(25) ack 1 win 5792 <nop,nop,timestamp
11553460 3132574>
02:12:40.515511 IP 192.168.246.11.1045 > 192.168.246.1.22: . ack 26 win 1460 <nop,nop,timestamp
3132578 11553460>
02:12:40.515952 IP 192.168.246.11.1045 > 192.168.246.1.22: P 1:23(22) ack 26 win 1460
<nop,nop,timestamp 3132578 11553460>

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
192.168.246.11

NEW QUESTION 9
Which file in /proc contains information on the status of local software RAID devices?

  • A. /proc/raidstat
  • B. /proc/mdstat
  • C. /proc/raidstatus
  • D. /proc/mdstatus
  • E. /proc/raid/status

Answer: B

NEW QUESTION 10
In the output of sar –b, what does tps stand for?

  • A. Terrabyte per second
  • B. Traffic per second
  • C. Transfers per second
  • D. Total data per second
  • E. Terrabit per second

Answer: C

NEW QUESTION 11
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?

  • 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

NEW QUESTION 12
How is the source code for the main Linux kernel modules distributed?

  • 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 separately from the Linux kernel source.
  • D. It is provided as a separate download alongside the Linux kernel source code of the same version.

Answer: A

NEW QUESTION 13
Consider the following /etc/fstab file:
/dev/hda1 swap swap defaults 0 0
/dev/hda2 / ext2 defaults 1 1
/dev/hda3 /home ext2 defaults 1 2
none /proc proc defaults 0 0
/dev/sdb1 /media/usb0 vfat user,noauto 0 0
What is one of the possible commands that an ordinary (non-root) user can use to mount the /dev/sdb1 partition on the /media/usb0 mount point? (Please enter the command with all parameters and/or options but without any file system type options.)

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
mount /dev/sdb1, mount /media/usb0, /bin/mount /dev/sdb1, /bin/mount /media/usb0, mount /media/usb0/,
/bin/mount /media/usb0/

NEW QUESTION 14
What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY the command without any path or parameters.)

  • A. Mastered
  • B. Not Mastered

Answer: A

Explanation:
fstrim

NEW QUESTION 15
Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers)
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
203.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0

  • A. ip net delete 10.10.1.0/24
  • B. route del 10.10.1.0/24
  • C. route del -net 10.10.1.0/24
  • D. route del 10.10.1.0/24 gw 192.168.246.11
  • E. ip route delete 10.10.1.0/24

Answer: CE

NEW QUESTION 16
What component of a system does smartd monitor?

  • A. CPU
  • B. RAM
  • C. Hard drives
  • D. Ethernet traffic

Answer: C

NEW QUESTION 17
Which command is used to install a new LILO boot loader?

  • A. lilo
  • B. lilo-config
  • C. lilo-install
  • D. install-lilo

Answer: A

NEW QUESTION 18
Which sub command to crypsetup shows information about an encrypted LUKS partition?

  • A. luksDump
  • B. luksInfo
  • C. luksDebug
  • D. luksLS
  • E. luksShow

Answer: A

NEW QUESTION 19
A correctly formatted entry has been added to /etc/hosts.deny to prevent certain clients from connecting to a service but this is having no effect. What could be the cause of this? (Choose TWO correct answers.)

  • A. tcpd needs to be sent the HUP signal.
  • B. The service needs to be restarted.
  • C. The machine needs to be restarted.
  • D. There is a conflicting entry in /etc/hosts.allow.
  • E. The service does not support tcpwrapper.

Answer: DE

NEW QUESTION 20
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. 1, 5 and 15 minutes
  • B. 1, 15 and 30 minutes
  • C. 1, 15, and 30 seconds
  • D. 15, 30 and 60 minutes
  • E. 15, 30 and 60 seconds

Answer: A

NEW QUESTION 21
The correct command sequence to create and mount logical volumes on a Linux system is:

  • 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

NEW QUESTION 22
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