New LPI 201-450 Exam Dumps Collection (Question 5 - Question 14)
Question No: 5
After changing the default runlevel in the SysV-init configuration file, the system boots in a different than intended runlevel. Where else could this different runlevel be defined?
A. In the /etc/sysctl.conf
B. In the boot loader configuration file
C. In the /etc/runlevel file
D. In the /boot/initramfs file
E. In the /etc/rc.d/rc.local file
Answer: B
Question No: 6
Where is the LILO boot loader code typically installed on a system with only a single Linux installation and no other operating systems?
A. In the master boot record.
B. In the boot sector.
C. In the /boot directory.
D. At the start of the kernel.
Answer: A
Question No: 7
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
Question No: 8
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: 9
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
Answer: CDE
Question No: 10
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: 11
Which command is used to install a new LILO boot loader?
A. lilo
B. lilo-config
C. lilo-install
D. install-lilo
Answer: A
Question No: 12
Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?
Answer:
/dev/disk/by-uuid, by-uuid, /dev/disk/by-uuid/
Question No: 13
Which commands below are useful to collect data about remote filesystem connections? (Choose TWO correct answers.)
A. pidstat
B. nfsiostat
C. sadf
D. cifsiostat
Answer: BD
Question No: 14
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
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