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Question No: 1
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
Question No: 2
Which of the following commands can be used to list IPv4 addresses and MAC addresses for IP devices that the system has seen on the local network?
A. arp
B. ifconfig
C. ipadm
D. iwlist
Answer: A
Question No: 3
Which of the following files will be looked for and used by GNU make, if one of them exists, unless a different file is specified on the command line when trying to compile software from source code? (Choose TWO correct answers.)
A. configure
B. config.h.in
C. makefile
D. Makefile
E. Makefile.in
Answer: CD
Question No: 4
Which sub command to crypsetup shows information about an encrypted LUKS partition?
A. luksDump
B. luksInfo
C. luksDebug
D. luksLS
E. luksShow
Answer: A
Question No: 5
After manually compiling and installing a new kernel, what has to be done regarding the initramfs?
A. To initramfs is independent of the kernel and should not be modified unless the hardware configuration of the machine has changed
B. Since the initramfs contains kernel modules, a new initramfs must be built for the new kernel
C. During the compilation of the Linux kernel, a new initramfs is built automatically. The new initramfs only needs to be installed
D. The system should be restarted since the initramfs reconfigures itself for the new kernel during the startup of the system
Answer: C
Question No: 6
Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)
A. source
B. src
C. dest
D. src or dst
E. both
Answer: BD
Question No: 7
What is the purpose of an initramfs during the Linux system start?
A. It loads required modules and starts sub sytems like LVM to make the root file system accessible to the kernel
B. It moves the kernel from normal system memory to initram memory to speed up kernel access
C. It copies the root file systemu2021s content to RAM to speed up the system and reduce writes to disk
D. It creates a ram disk to store volatile data for directories like /tmp to reduce writes to disk
Answer: A
Question No: 8
A network client has an ethernet interface (eth0) configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose TWO correct answers.)
A. route add default gw 192.168.0.1 eth0
B. ifconfig eth0 defaultroute 192.168.0.1
C. ip route add default via 192.168.0.1 dev eth0
D. echo defaultroute 192.168.0.1 >> /etc/resolv.conf
E. route add defaultgw=192.168.0.1 if=eth0
Answer: AC
Question No: 9
What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)
A. One of the disks in /dev/md0 has failed and a spare disk is used to recreate full redundancy
B. The spare disk /dev/sda1 is used to restore full redundancy after the current recovery
C. The information [UU_] means, that the raid is missing one disk and is not fully redundant
D. The device is using version 1.2 metadata to allow LILO and GRUB Legacy to use /dev/md0 as the boot partition. This would not have been necessary with GRUB2
E. The information [3/2] means that 3 RAID disks belong to the array and 2 disks are spare. Together they equal the number of available disks
Answer: AC
Question No: 10
Which of the following configuration files are used by tcpwrapper?
A. /etc/tcpd.allow and etc/tcpd.deny
B. /etc/tcpwrapper.allow and /etc/tcpwrapper.deny
C. /etc/hosts.allow and /etc/hosts.deny
D. /etc/service.allow and /etc/service.deny
Answer: C
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