2024年最新の201-450試験問題集で最近更新された162問題
Lpi 201-450リアル2024年最新のブレーン問題集で模擬試験問題集
この試験は、Linux管理で最低1年の経験があり、Linuxシステムのインストール、構成、およびメンテナンスに熟練しているLinuxシステム管理者を対象としています。 LPIC-2認定試験では、ネットワークサービスの構成、ファイルシステムの管理、セキュリティ対策の実装などの高度なタスクを実行する候補者の能力を評価します。
LPIC-2 Exam 201、Part 1 of 2、version 4.5は、Linux管理の高度なスキルを証明したい人にとって重要な認定試験です。この試験に合格することで、候補者はLinux管理のさまざまな領域での専門知識を証明し、この分野でのキャリアの展望を高めることができます。
質問 # 58
The main configuration file for autofs has this entry:
/home /etc/auto.home
What is the meaning of the /etc/auto.home file?
- A. It has configuration information, such as passwords and keys, for the remote file server.
- B. It is the holds the SSL key to allow authentication to the remote file server.
- C. It has the indirect maps for the mounting of file systems.
- D. It has configuration information on settings for the /home mount point.
正解：C
質問 # 59
What happens if the Linux kernel can't mount the root filesystem when booting?
- A. An error message is shown stating that the corresponding kernel module couldn't be loaded.
- B. An error message is shown showing which device couldn't be mounted or informing that init couldn't be found.
- C. An error message is shown and the system boots in maintenance mode.
- D. An error message is shown and the administrator is asked by the kernel to specify a valid root filesystem to continue the boot process.
- E. An error message is shown and the system reboots after a keypress.
正解：B
質問 # 60
Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24? (Select TWO answers) Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface
2 03.0.113.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
1 72.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
1 92.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
1 0.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
1 27.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0 .0.0.0 203.0.113.162 0.0.0.0 UG 0 0 0 ppp0
- A. route del 10.10.1.0/24
- B. route del 10.10.1.0/24 gw 192.168.246.11
- C. ip net delete 10.10.1.0/24
- D. ip route delete 10.10.1.0/24
- E. route del -net 10.10.1.0/24
正解：D、E
質問 # 61
Which of the following commands will erase the contents of the /dev/sdb3 partition?
- A. dd of=/dev/zero if=/dev/sdb3
- B. umount /dev/sdb3
- C. rm /dev/sdb3
- D. dd if=/dev/zero of=/dev/sdb3
正解：D
質問 # 62
CORRECT TEXT
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)
正解：
解説：
vgreduce, /sbin/vgreduce
質問 # 63
Which of the following is a side effect of extensive usage of swap space?
- A. The root filesystem may become full because swap space is always located on the system root partition.
- B. Applications need to restart because their virtual memory addresses change to reflect memory relocation to the swap address area.
- C. The overall system performance may degrade because of heavy hard disk use and memory reorganization.
- D. The memory may become fragmented and slow down the access to memory pages.
However, this can be kept to a minimum by the regular use of memfrag -d. - E. Since processes always exist completely in either RAM or swap, regular RAM may become unused if the kernel does not move processes back from the swap space to memory.
正解：C
質問 # 64
Which of the following commands can be used to script interactions with various TCP or UDP services?
- A. nc
- B. tcpdump
- C. ftp
- D. strings
- E. wget
正解：A
質問 # 65
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. 36.6
- B. 35.9
- C. 57.7
- D. 0
- E. 1
正解：D
質問 # 66
How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)
- A. export kernel.shmmax=2147483648
- B. Edit /etc/shmmax and set the parameter to 2147483648.
- C. echo 2147483648 > /proc/sys/kernel/shmmax
- D. sysctl kernel.shmmax=2147483648
- E. sysctl shmmax=2147483648
正解：C、D
質問 # 67
A system with SysV-init has a service installed called apache2. Which file controls the start and stop of this service and is referenced by the various runlevel directories?
- A. /etc/rc2.d/70apache2
- B. /etc/rc2.d/apache2
- C. /etc/init.d/apache2
- D. /etc/rc2.d/apache2.start
正解：C
質問 # 68
If all of the following files and/or symlinks exist in a SysV-init runlevel directory, which of the following will be executed first when booting the system directly into the runlevel?
- A. S99a-lpi
- B. K99lpi
- C. PRE-S99lpi
- D. S99lpi
- E. S98lpi
正解：E
質問 # 69
CORRECT TEXT
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)
正解：
解説：
/usr/src/linux, /usr/src/linux/
質問 # 70
CORRECT TEXT
A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?
正解：
解説：
oldconfig, make oldconfig
質問 # 71
Which of the following best describes the format of the /etc/fstab file?
- A. mount point; device name; filesystem type; mount options; dump filesystem; fsck order
- B. mount point; filesystem type; device name; mount options; dump filesystem; fsck order
- C. device name; mount point; filesystem type; mount options; dump filesystem; fsck order
- D. device name; mount point; mount options; filesystem type; dump filesystem; fsck order
- E. device name; filesystem type; mount point; mount options; dump filesystem; fsck order
正解：C
質問 # 72
A regular user, joe, has just run:
./configure && make && make install
to build and install a program. However, the installation fails. What could be done to install the program? (Choose TWO correct answers.)
- A. Run make install_local to install into /usr/local/.
- B. Run make install with root privileges.
- C. Rerun ./configure with a --prefix option where the user has permissions to write.
- D. Do not run ./configure in order to maintain the default configuration for correct installation.
- E. Install the binaries manually with suinstall.
正解：B、C
質問 # 73
What is the functionality that PXE provides?
- A. The ability to launch an remote X11 desktop on a computer.
- B. The ability to verify a system's configuration after completing the boot process.
- C. The ability to verify a system's configuration before completing the boot process.
- D. The ability to boot a computer using its network interface.
正解：D
質問 # 74
Which single command simulates a failed device within a RAID 5 array?
- A. mdadm --zero-superblock /dev/sdf3
- B. mdadm --fail /dev/md0 /dev/sdc1
- C. mdadm --force-fault /dev/md2 /dev/sde2
- D. mdadm /dev/md0 --offline /dev/sdc1
- E. mdadm --remove /dev/md0 /dev/sdd1
正解：B
質問 # 75
Which of the following is a CD-ROM filesystem standard?
- A. ROM-EO
- B. OSI 9660
- C. ISO 9660
- D. ISO 8859
- E. SR0FS
正解：C
質問 # 76
Fill in the blank.
Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)
正解：
解説：
/lib/systemd/system
質問 # 77
Which of the following commands lists IPv4 addresses and MAC addresses of network nodes that the local system has seen on its directly connected IP networks?
- A. arp
- B. ipadm
- C. ifconfig
- D. iwlist
正解：A
解説：
Explanation/Reference:
質問 # 78
Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?
- A. iw dev wlan0 show
- B. iw phy0 show
- C. iw dev wlan0 info
- D. iw phy wlan0 show
- E. iw phy pyh0 info
正解：E
質問 # 79
CORRECT TEXT
Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)
正解：
解説：
rmmod, /sbin/rmmod
質問 # 80
CORRECT TEXT
Which directory contains the system-specific udev rule files? (Specify the absolute path including the directory name)
正解：
解説：
/etc/udev/rules.d, /etc/udev/rules.d/
質問 # 81
What is the purpose of the command vgextend?
- A. Increase the number of days between scheduled error checking.
- B. Extend a volume group's footprint on disk.
- C. Add physical volumes to an existing volume group.
- D. Create a volume group which uses all available space on disk.
正解：C
質問 # 82
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