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New LPI 201-450 Exam Dumps Collection (Question 5 - Question 14)
New Questions 5
Which command turns an existing ext2 filesystem non-destructively into an ext3 filesystem? (Specify ONLY the command without any path or parameters.)
Answer:
/sbin/tune2fs, tune2fs
New Questions 6
What mechanism does collectd use to gather monitoring information on systems?
A. It uses a library of plugins.
B. A master server connects to a collectd service on each machine to retrieve the information.
C. It collects its own information on each server and sends that to a master server.
D. It makes SNMP queries to the clients being monitored.
Answer: A
New Questions 7
Which option to the update-rc.d command will cause the removal of all symlinks to /etc/rcX.d/*test2 even when the script /etc/init.d/test2 still exists?
A. -d
B. -f
C. -n
D. -r
Answer: B
New Questions 8
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.
Answer: D
New Questions 9
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
New Questions 10
Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?
A. top
B. uptime
C. ps aux
D. vmstat
E. freemem
Answer: A
New Questions 11
What is the main template file used by autofs?
A. default.maps
B. auto.conf
C. auto.master
D. autofs.master
Answer: C
New Questions 12
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
New Questions 13
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/
New Questions 14
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
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