[2023年07月28日] 合格率取得する秘訣は101-500認定試験エンジンPDF
101-500試験問題集合格できるには更新された2023年07月テスト問題集
質問 # 47
Which command shows all shared libraries required by a binary executable or another shared library?
(Specify ONLY the command without any path or parameters.)
正解：
解説：
ldd
質問 # 48
Which of the following kernel parameters instructs the kernel to suppress most boot messages?
- A. verbose=0
- B. nomesg
- C. silent
- D. quiet
正解：D
質問 # 49
What is true regarding UEFI firmware? (Choose two.)
- A. It can read and interpret partition tables
- B. It is stored in a special area within the GPT metadata
- C. It can use and read certain file systems
- D. It stores its entire configuration on the /boot/ partition
- E. It is loaded from a fixed boot disk position
正解：B、C
質問 # 50
What is the effect of the egrep command when the -v option is used?
- A. It shows the command's version information.
- B. It only outputs non-matching lines.
- C. It enables color to highlight matching parts.
- D. It changes the output order showing the last matching line first.
正解：B
質問 # 51
In the vi editor, what vi command will copy (but not paste) from the current line at the cursor and the following 16 lines (17 lines total)? Specify the correct vi command without spaces.
正解：
解説：
17yy
質問 # 52
Which chown command will change the ownership to dave and the group to staff on a file named data.txt?
- A. chown --user dave --group staff data.txt
- B. chown -u dave -g staff data.txt
- C. chown dave:staff data.txt
- D. chown dave/staff data.txt
正解：C
質問 # 53
Which of the following files, located in a user's home directory, contains the Bash history?
- A. .history
- B. .bash_history
- C. .bashrc_history
- D. .history_bash
- E. .bash_histfile
正解：E
質問 # 54
Which of the following sequences in the vi editor saves the opened document and exits the editor? (Choose two.) Ctrl XX
- A. Esc ZZ
- B.
- C. Esc :wq
- D. Ctrl :W
- E. Esc zz
正解：A、B
質問 # 55
Which of the following statements are correct when comparing Linux containers with traditional virtual machines (e.g. LXC vs. KVM)? (Choose three.)
- A. Containers are completely decoupled from the host system's physical hardware and can only use emulated virtual hardware devices.
- B. The guest environment for fully virtualized machines is created by a hypervisor which provides virtual and emulated hardware devices.
- C. Containers are a lightweight virtualization method where the kernel controls process isolation and resource management.
- D. Containers on the same host can use different operating systems, as the container hypervisor creates separate kernel execution.
- E. Fully virtualized machines can run any operating system for a specific hardware architecture within the virtual machine.
正解：B、C、E
解説：
Explanation
質問 # 56
In a nested directory structure, which find command line option would be used to restrict the command to searching down a particular number of subdirectories?
-maxdepth
- A. -s
- B.
- C. -dirmax
- D. -maxlevels
- E. -n
正解：C
質問 # 57
Which wildcards will match the following filenames? (Choose two.)
ttyS0
ttyS1
ttyS2
- A. tty[Ss][02]
- B. tty*2
- C. ttyS[1-5]
- D. tty?[0-5]
- E. ty[A-Z][012]
正解：D、E
質問 # 58
Which of the following properties of a Linux system should be changed when a virtual machine is cloned?
(Choose two.)
- A. The permissions of /root/
- B. The file system
- C. The SSH host keys
- D. The D-Bus Machine ID
- E. The partitioning scheme
正解：C、D
質問 # 59
Which of the following are filesystems which can be used on Linux root partitions? (Choose two.)
- A. ext3
- B. XFS
- C. swap
- D. NTFS
- E. VFAT
正解：A、C
質問 # 60
The message "Hard Disk Error" is displayed on the screen during Stage 1 of the GRUB boot process. What does this indicate?
- A. The next Stage cannot be read from the hard disk because GRUB was unable to determine the size and geometry of the disk
- B. The kernel was unable to execute /bin/init
- C. One or more of the filesystems on the hard disk has errors and a filesystem check should be run
- D. The BIOS was unable to read the necessary data from the Master Boot Record to begin the boot process
正解：A
質問 # 61
When booting from the hard disk, a computer successfully loads the Linux kernel and initramfs but hangs during the subsequent startup tasks. The system is booted using a Linux based rescue CD to investigate the problem. Which of the following methods helps to identify the root cause of the problem?
- A. Investigating the file /proc/kmsg on the computer's hard disk for possible errors.
- B. Rebooting again from the hard drive since the system successfully booted from the rescue CD.
- C. Using chrootto switch to the file system on the hard disk and use dmesgto view the logs.
- D. Investigating the file /var/log on the computer's hard disk for possible errors.
- E. Using the dmesgcommand from the rescue CD's shell to view the original system's boot logs.
正解：D
質問 # 62
Which of the following commands converts spaces in a file to tab characters and prints the result to standard output?
- A. iconv
- B. tab
- C. expand
- D. unexpand
正解：D
質問 # 63
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. /bin/bash /usr/local/bin/runme.sh
- C. /usr/local/bin/runme.sh
- D. /usr/local/bin/runme.sh
- E. run /usr/local/bin/runme.sh
正解：A、C
解説：
Explanation/Reference:
質問 # 64
When using regular expressions, which of the following characters match the beginning of a line?
- A. *
- B. +
- C. ^
- D. $
- E. ?
正解：C
質問 # 65
Which of the following signals is sent to a process when the key combination Ctrl+Z is pressed on the keyboard?
- A. SIGTERM
- B. SIGINT
- C. SIGSTOP
- D. SIGCONT
- E. SIGKILL
正解：C
質問 # 66
Which command shows all shared libraries required by a binary executable or another shared library? (Specify ONLY the command without any path or parameters.)
正解：
解説：
ldd
質問 # 67
Consider the following directory:
drwxrwxr-x 2 root sales 4096 Jan 1 15:21 sales
Which command ensures new files created within the directory salesare owned by the group sales?
(Choose two.)
- A. chown --persistent *.sales sales
- B. chgrp -p sales sales
- C. chmod 2775 sales
- D. chmod g+ssales
- E. setpol -R newgroup=sales sales
正解：C、D
質問 # 68
Which file should be edited to select the network locations from which Debian installation package files are loaded?
- A. /etc/dpkg/dselect.cfg
- B. /etc/apt/apt.conf
- C. /etc/apt/sources.list
- D. /etc/apt/apt.conf.d
- E. /etc/dpkg/dpkg.cfg
正解：C
質問 # 69
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