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QUESTION NO:18
On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel
configuration parameters?
A. config-linux-3.4.50-11
B. config-3.4.50-11
C. system-3.4.50-11
D. vmlinuz-3.4.50-11
E. rc.config-3.4.50-11
Correct Answer: B
QUESTION NO:4
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 pages. However, this can
be kept to a minimum by the regular use of memfrag -d.
E. Applications need to restart because their virtual memory addresses change to reflect memory
relocation to the swap address area.
Correct Answer: B
QUESTION NO:52
Which two LVM commands are missing from the following sequence which is used to create a logical
volume and make use of it on a Linux system?
pvcreate, ___________, __________, mkfs, mount
A. lvcreate, mdadm
B. lvcreate, vgcreate
C. lvmcreate, vgcreate
D. vgcreate, lvcreate
E. vgcreate, mdadm
Correct Answer: D
QUESTION NO:28
A system with SysV-init has a service installed called apache2. Which file controls the start and stop of this
service and is referenced by the various runlevel directories?
A. /etc/init.d/apache2
B. /etc/rc2.d/70apache2
C. /etc/rc2.d/apache2
D. /etc/rc2.d/apache2.start
Correct Answer: A
QUESTION NO:46
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
Correct Answer: A
QUESTION NO:48
The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on
it?
A. hdparm -d /dev/hda
B. hdparm –dma /dev/hda
C. hdparm –dma /dev/hda1
D. hdparm -d /dev/hda1
E. hdparm -d 1 /dev/hda
Correct Answer: E
QUESTION NO:32
In case the file containing the Linux kernel is lost, what happens when the system is booting?
A. The system starts normally since the bootloader copies the kernel to the master boot record of the hard
disk.
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 bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the
administrator to reinstall the kernel.
D. Without a kernel a system cannot boot and, depending on the bootloader, an error is displayed.
Correct Answer: D
QUESTION NO:33
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
Correct Answer: BE
QUESTION NO:6
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
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
Correct Answer: CDE
QUESTION NO:53
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
127.0.0.0
0.0.0.0
192.168.246.11 255.255.255.0 UG 0
0.0.0.0 255.0.0.0 U 0 0
203.0.113.162 0.0.0.0 UG 0 0
0 0 eth1
0 lo
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
Correct Answer: CE
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