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New LPI 201-450 Exam Dumps Collection (Question 6 - Question 15)
Question No: 6
In the following output from top, which processes contribute to the percentage of time that the CPU spends in the state of wa?
Tasks: 193 total, 1 running, 190 sleeping, 2 stopped, 0 zombie
Cpu(s): 0.5%us, 0.3%sy, 0.0%ni, 98.2%id, 1.0%wa, 0.0%hi, 0.0%si, 0.0%st
A. Processes waiting for user interaction.
B. Processes that were already closed and are waiting to be launched again.
C. Processes that have not been scheduled yet because they haven't been fully loaded into RAM or are in swap.
D. Processes waiting for IO operations to complete.
Answer: D
Question No: 7
After installing a compiled kernel, it can not find any modules that are needed to be loaded. What make target was likely missed while installing the kernel?
Answer:
make modules_install, modules_install
Question No: 8
Which archive format is used to create an initramfs image?
A. gzip
B. tar
C. RAR
D. cpio
E. bzip2
Answer: D
Question No: 9
What option in the collectd configuration file is required in order to define what to start monitoring?
A. LoadModule
B. Module
C. Plugin
D. LoadPlugin
Answer: D
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 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: 12
Which directory contains the system-specific udev rule files? (Specify the absolute path including the directory name)
Answer:
/etc/udev/rules.d, /etc/udev/rules.d/
Question No: 13
Why is the root file system mounted read-only during boot and remounted with write permission later on?
A. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.
B. Because this way crackers cannot collect information about root with boot sniffers.
C. To avoid writing to the disk, unless the root password is known.
D. To avoid other operating systems overwriting the Linux root partition.
E. Because the disk has its own write protection that cannot be changed by the operating system.
Answer: A
Question No: 14
Please enter the complete path to the main SysV init process configuration file.
Answer:
/etc/inittab
Question No: 15
After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)
Answer:
sync
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