最新の101-500実際の無料試験問題更新された246問あります
無料で使える101-500試験ブレーン問題集認定ガイドの問題と解答
質問 # 30
Which of the following explanations are valid reasons to run a command in the background of your shell?
- A. The command can run at a lower priority than normal commands run on the command line.
- B. The command has to run immediately but the user needs to log out.
- C. The system is being shut down and the command needs to restart execution immediately after the reboot.
- D. The command does not need to execute immediately.
正解：B
質問 # 31
Which of the following commands overwrites the bootloader located on /dev/sda without overwriting the partition table or any data following it?
- A. dd if=/dev/zero of=/dev/sda bs=440
- B. dd if=/dev/zero of=/dev/sda bs=440 count=1
- C. dd if=/dev/zero of=/dev/sda bs=512
- D. dd if=/dev/zero of=/dev/sda bs=512 count=1
正解：B
質問 # 32
Which of the following statements are true about the boot sequence of a PC using a BIOS? (Choose two.)
- A. The BIOS initiates the boot process after turning the computer on
- B. The BIOS is started by loading hardware drivers from secondary storage, such as the hard disk
- C. Linux does not require the assistance of the BIOS to boot a computer
- D. Some parts of the boot process can be configured from the BIOS
- E. The BIOS boot process starts only if secondary storage, such as the hard disk, is functional
正解：A、D
質問 # 33
Which of the following vi commands deletes two lines, the current and the following line?
- A. d2
- B. de12
- C. dd2
- D. 2dd
- E. 2d
正解：D
解説：
Explanation/Reference:
質問 # 34
Which of the following commands generates a list of user names from /etc/passwdalong with their login shell?
- A. colrm 1,7 /etc/passwd
- B. column -s : 1,7 /etc/passwd
- C. sort -t: -k1,7 /etc/passwd
- D. chop -c 1,7 /etc/passwd
- E. cut -d: -f1,7 /etc/passwd
正解：E
質問 # 35
What is the default nice level when a process is started using the nicecommand?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
正解：E
質問 # 36
When removing a package, which of the following dpkg options will completely remove the files including configuration files?
- A. --delete
- B. --clean
- C. -remove
- D. --purge
正解：D
質問 # 37
Which of the following commands can be used to determine how long the system has been running? (Choose two.)
- A. up
- B. time --up
- C. top
- D. uname -u
- E. uptime
正解：C、E
質問 # 38
What command changes the nice level of a running process?
(Specify ONLY the command without any path or parameters)
正解：
解説：
renice
質問 # 39
Which of the following commands shows the definition of a given shell command?
- A. type
- B. where
- C. stat
- D. case
正解：A
質問 # 40
In Bash, inserting 1>&2 after a command redirects
- A. standard error to standard input.
- B. standard output to standard input.
- C. standard input to standard error.
- D. standard error to standard output.
- E. standard output to standard error.
正解：E
質問 # 41
Which of the following statements is correct regarding the command foo 1> bar?
- A. The command foo receives its stdin from the file bar.
- B. The command foo receives its stdin from the stdout of the command bar.
- C. The stdout from the command foo is appended to the file bar.
- D. The stderr from the command foo is saved to the file bar.
- E. The stdout from the command foo overwrites the file bar.
正解：E
質問 # 42
From a Bash shell, which of the following commands directly execute the instructions from the file /usr/ local/bin/runme.shwithout starting a subshell? (Choose two.)
- A. source /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. /bin/bash /usr/local/bin/runme.sh
正解：A、D
質問 # 43
In the vi editor, which of the following commands will copy the current line into the vi buffer?
- A. cc
- B. c
- C. 1c
- D. yy
- E. 1y
正解：D
質問 # 44
Where does the BIOS search for a bootloader?
- A. On all connected storage media regardless of the boot device order.
- B. Only on hard disk drives in the defined boot device order.
- C. The BIOS is not responsible to search for a valid bootloader.
- D. On all connected storage media in the defined boot device order.
- E. Only on the last added storage media.
正解：D
質問 # 45
Given the following two symbolic links in a System V init configuration:
/etc/rc1.d/K01apache2
/etc/rc2.d/S02apache2
When are the scripts executed that are referenced by these links? (Choose two.)
- A. K01apache2is run when runlevel 1 is entered.
- B. K01apache2is never run because K indicates a deactivated service.
- C. S02apache2is run when runlevel 2 is entered.
- D. S02apache2is run when runlevel 2 is left.
- E. Both S02apache2and K01apache2are run during a system shutdown.
正解：B、C
解説：
Explanation/Reference:
質問 # 46
When redirecting the output of findto the xargscommand, what option to findis useful if the filenames contain spaces?
-rep-space
- A. -ignore-space
- B. -printnul
- C.
- D. -print0
- E. -nospace
正解：C
質問 # 47
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. Fully virtualized machines can run any operating system for a specific hardware architecture within the virtual machine.
- C. Containers are a lightweight virtualization method where the kernel controls process isolation and resource management.
- D. Containers are completely decoupled from the host system's physical hardware and can only use emulated virtual hardware devices.
- E. The guest environment for fully virtualized machines is created by a hypervisor which provides virtual and emulated hardware devices.
正解：B、C、E
質問 # 48
Which of the following commands is used to change options and positional parameters within a running Bash shell?
history
- A.
- B. setsh
- C. set
- D. envsetup
- E. bashconf
正解：D
質問 # 49
Which of the following commands loads a kernel module along with any required dependency modules?
- A. depmod
- B. loadmod
- C. module_install
- D. modprobe
- E. insmod
正解：D
質問 # 50
Which of the following commands is used to modify quota settings? (Choose two.)
- A. quotaset
- B. setquota
- C. quotaedit
- D. editquota
- E. edquota
正解：E
質問 # 51
Which wildcards will match the following filenames? (Choose two.)
ttyS0
ttyS1
ttyS2
- A. ty[A-Z][012]
- B. tty[Ss][02]
- C. ttyS[1-5]
- D. tty*2
- E. tty?[0-5]
正解：A、E
質問 # 52
FILL BLANK
Which command displays the current disk space usage for all mounted file systems? (Specify ONLY the command without any path or parameters.)
正解：
解説：
df
質問 # 53
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