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Question No: 2
During booting, when the Linux kernel loads an initramfs file, which command from the initramfs will be executed first, if present?
A. /init
B. /initrd
C. /linuxrc
D. /rc.local
E. /sbin/init
Answer: A
Question No: 3
What is the minimum number of disks required in a fully redundant RAID5 array?
A. 1
B. 2
C. 3
D. 4
E. 5
Answer: C
Question No: 4
Which of the following are common Linux filesystem types used for root partitions? (Choose THREE correct answers.)
A. ext4
B. VFAT
C. NTFS
D. XFS
E. Btrfs
Answer: ADE
Question No: 5
What mount option must be used in /etc/fstab when mounting an iSCSI target?
A. _santarget
B. iscsi
C. waitiscsi
D. _netdev
Answer: D
Question No: 6
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
Question No: 7
When planning a web server which of the following choices will impact system sizing? (Choose THREE correct answers.)
A. How many concurrent users are expected.
B. Which hardware vendor has better Linux support.
C. What type of content will be served.
D. What scripting languages will the web server support.
E. Will the OS install be CD, DVD or network based.
Answer: ACD
Question No: 8
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. 0
B. 100
C. 35.9
D. 57.7
E. 36.6
Answer: A
Question No: 9
Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)
A. insmod
B. loadmod
C. kernload
D. modprobe
E. probemod
Answer: AD
Question No: 10
What keyword is missing in the following line from /etc/fstab in order to make a USB flash device writeable by the user fred when mounted:
/dev/sda1 /mnt/usbflash vfat defaults,users, _____ =fred,umask=022, 0 0 (Provide the option name only without any settings)
Answer:
uid
Question No: 11
Which of the following tools are used to measure memory usage? (Choose THREE correct answers.)
A. mpstat
B. pstree
C. sar
D. top
E. vmstat
Answer: CDE
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