Lpi 101-500試験問題（更新されたのは2022年）100%リアル問題解答 [Q136-Q157]

Lpi 101-500試験問題（更新されたのは2022年）100%リアル問題解答

合格させるLpi 101-500試験最速合格

質問 136
Given the following input stream:
txt1.txt
atxt.txt
txtB.txt
Which of the following regular expressions turns this input stream into the following output stream?
txt1.bak.txt
atxt.bak.txt
txtB.bak.txt

A. s/[.txt]/.bak$1/
B. s/^.txt/.bak/
C. s/txt$/bak.txt/
D. s/txt/bak.txt/
E. s/^txt$/.bak^/

正解: C

質問 137
What is the first program the Linux kernel starts at boot time when using System V init?

A. /proc/sys/kernel/init
B. /etc/rc.d/rcinit
C. /boot/init
D. /lib/init.so
E. /sbin/init

正解: E

質問 138
An administrator has issued the following command:
grub-install --root-directory=/custom-grub /dev/sda
In which directory will new configuration files be found? (Provide the full directory path only without the filename)

正解:

解説:
/custom-grub/boot/grub/, /custom-grub/boot/grub

質問 139
In Bash, inserting 2>&1 after a command redirects:

A. standard outputto standard input.
B. standard input to standard error.
C. standard output to standard error.
D. standard error to standard input.
E. standard error to standard output.

正解: C

質問 140
FILL BLANK
Which file from the /proc/file system contains a list of all currently mounted devices? (Specify the full name of the file, including path.)

正解:

解説:
/proc/mounts

質問 141
Which of the following commands lists the dependencies of the RPM package file foo.rpm?
rpm -qpR foo.rpm

A. rpm -ld foo.rpm
B.
C. rpm -dep foo
D. rpm -pD foo
E. rpm -R foo.rpm

正解: C

質問 142
Which daemon handles power management events on a Linux system?
acpid

A. pwrmgntd
B. batteryd
C.
D. inetd
E. psd

正解: B

質問 143
How many fields are in a syntactically correct line of /etc/fstab?

A. 0
B. 1
C. 2
D. 3
E. 4

正解: B

質問 144
Which of the following commands sets the SetUID permission on the executable /bin/foo?
chmod 4755 /bin/foo

A. chmod 1755 /bin/foo
B. chmod 2755 /bin/foo
C. chmod u-s /bin/foo
D. chmod 755+s /bin/foo

正解: A

質問 145
Which of the following commands will print the last 10 lines of a text file to the standard output?

A. tail -n 10 filename
B. head -n 10 filename
C. dump -n 10 filename
D. cat -n 10 filename

正解: A

質問 146
In compliance with the FHS, in which of the directories are man pages found?

A. /usr/share/man
B. /usr/doc/
C. /var/man
D. /var/pkg/man
E. /opt/man

正解: A

質問 147
Which of the following commands is used to change options and positional parameters within a running Bash shell?

A. envsetup
B. setsh
C. history
D. bashconf
E. set

正解: E

解説:
Explanation/Reference:

質問 148
The system configuration file named _______ is commonly used to set the default runlevel. (Please provide the file name with full path information)

正解:

解説:
/etc/inittab

質問 149
Which of the following signals is sent to a process when the key combination Ctrl+C is pressed on the keyboard?

A. SIGSTOP
B. SIGCONT
C. SIGTERM
D. SIGINT
E. SIGKILL

正解: D

解説:
Explanation/Reference:

質問 150
Which of the following commands enables the setuid (suid) permission on the executable /bin/foo?

A. chmod 1755 /bin/foo
B. chmod 4755 /bin/foo
C. chmod u-s /bin/foo
D. chmod 755+s /bin/foo

正解: B

質問 151
Which of the following Linux filesystems preallocates a fixed number of inodes at the filesystem's make/creation time and does NOT generate them as needed? (Choose TWO correct answers.)

A. ext2
B. ext3
C. JFS
D. procfs
E. XFS

正解: A,B

質問 152
In compliance with the FHS, in which of the directories are man pages found?
/opt/man/

A.
B. /usr/doc/
C. /var/pkg/man
D. /usr/share/man/
E. /var/man/

正解: C

質問 153
From a Bash shell, which of the following commands directly executes the instruction from the file
/usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

A. /bin/bash /usr/local/bin/runme.sh
B. run /usr/local/bin/runme.sh
C. /usr/local/bin/runme.sh
D. . /usr/local/bin/runme.sh
E. source /usr/local/bin/runme.sh

正解: D,E

質問 154
Which of the following commands updates the already installed RPM package rpmname?

A. rpm -U rpmname
B. rpm --force rpmname
C. rpm -q rpmname
D. rpm -u rpmname
E. rpm --update rpmname

正解: A

質問 155
Which of the following statements are correct when comparing Linux containers with traditional virtual machines (e.g. LXC vs. KVM)? (Choose three.)

A. Containers on the same host can use different operating systems, as the container hypervisor creates separate kernel execution.
B. The guest environment for fully virtualized machines is created by a hypervisor which provides virtual and emulated hardware devices.
C. Fully virtualized machines can run any operating system for a specific hardware architecture within the virtual machine.
D. Containers are completely decoupled from the host system's physical hardware and can only use emulated virtual hardware devices.
E. Containers are a lightweight virtualization method where the kernel controls process isolation and resource management.

正解: B,C,E

質問 156
Which of the following commands lists all currently installed packages when using RPM package management?