201-450試験問題集を使って一日でLPIC 2試験合格目指す（最新の162解答)
201-450試験正確な問題集、学習ノートと理論
Lpi 201-450試験は、LPIC-2試験201の一部であり、バージョン4.5です。この試験は、Linuxシステム管理の専門知識を証明したいITプロフェッショナル向けに設計された認定試験です。この試験は、LPIC-2認定を取得するために必要な2部構成の最初の部分です。LPIC-2認定は、中級レベルのLinuxプロフェッショナルのベンチマークとして認識され、世界的に認められています。
LPIC-2 Exam 201、Part 1 of 2、version 4.5は、カーネル管理、システムの起動、高度なストレージデバイス管理、ネットワーク構成、トラブルシューティングなどの幅広いトピックをカバーしています。この試験は、候補者がプロフェッショナル環境でLinuxシステムを設定および維持する能力をテストするために設計されています。また、この試験は、候補者が一般的なLinuxシステムの問題をトラブルシューティングし、これらの問題に対するソリューションを提供する能力をテストするためにも設計されています。
質問 # 75
A correctly formatted entry has been added to /etc/hosts.deny to prevent certain clients from connecting to a service but this is having no effect. What could be the cause of this?
(Choose TWO correct answers.)
- A. The machine needs to be restarted.
- B. The service does not support tcpwrapper.
- C. There is a conflicting entry in /etc/hosts.allow.
- D. tcpd needs to be sent the HUP signal.
- E. The service needs to be restarted.
正解：B、C
質問 # 76
A network client has an ethernet interface (eth0) configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.1, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway? (Choose TWO correct answers.)
- A. route add defaultgw=192.168.0.1 if=eth0
- B. route add default gw 192.168.0.1 eth0
- C. ifconfig eth0 defaultroute 192.168.0.1
- D. ip route add default via 192.168.0.1 dev eth0
- E. echo defaultroute 192.168.0.1 >> /etc/resolv.conf
正解：B、D
質問 # 77
CORRECT TEXT
A database application requires a maximum shared memory segment (shmmax) of 2GB (2147483648 Bytes). Which configuration file should be modified to set this kernel parameter permanently? (Specify the full name of the file, including path.)
正解：
解説：
/etc/sysctl.conf
質問 # 78
What does the -p3 option to the patch command do?
- A. It instructs patch to look up to three lines of context before or after the declared line in the original file for a match.
- B. It instructs patch to conform more strictly to the POSIX standard.
- C. patch continues execution as long as there are three or fewer errors.
- D. It will strip off path information from each file mentioned in the patch file up to and including the third / character.
- E. patch will keep three previous versions of each file in the output to prevent loss of change history.
正解：D
質問 # 79
In the following output of the command uptime, the load averages represent the system load averages for what time frames?
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31
- A. 1, 5 and 15 minutes
- B. 5, 20 and 25 seconds
- C. 1, 15 and 30 minutes
- D. 15, 30 and 60 minutes
- E. 15, 45 and 90 seconds
正解：A
質問 # 80
Due to extreme system use, a Linux system requires some additional swap space. To initialize 5GB of additional swap space, which combination of commands should be used?
- A. touch -5G /tmp/swapfile; swapon /tmp/swapfile
- B. mkswap /tmp/swapfile 512000; swapon /tmp/swapfile
- C. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile
- D. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile
- E. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount
/tmp/swapfile
正解：C
質問 # 81
When is historical data of resource usage important? (Select THREE correct answers.)
- A. Predicting when resources will need to be increased.
- B. Identifying processes killed during out of memory occurrences.
- C. Selecting a computer vendor.
- D. Diagnosing capacity problems.
- E. Troubleshooting a software problem.
正解：A、D、E
質問 # 82
In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.)
# 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. RAM available for filesystem buffers
- B. RAM used for filesystem cache
- C. RAM used for buffers
- D. Used swap space
- E. Available free RAM
正解：B、C、E
質問 # 83
Which command can be used to scan a specified network looking for IP addresses that appear to be in use?
- A. netscan
- B. hostdiscover
- C. tcpdump
- D. ip
- E. nmap
正解：E
質問 # 84
Which of the following init systems comes along with an own UEFI boot loader?
- A. systemd
- B. SysVinit
- C. Upstart
- D. launchd
- E. OpenRC
正解：A
質問 # 85
What does a 0 in the last field (fsck order) of /etc/fstab indicate about the filesystem?
- A. The filesystem check counter is ignored.
- B. The filesystem should be checked before filesystems with higher values.
- C. The filesystem should be checked after filesystems with higher values.
- D. The filesystem has been disabled from being checked and mounted on the system.
- E. The filesystem does not require an fsck check when being mounted.
正解：E
質問 # 86
What action should be performed after increasing the size of a logical volume?
- A. Increase the size of the filesystem used for the logical volume.
- B. Run vgresize.
- C. Run lvresize.
- D. Remount the logical volume.
正解：A
質問 # 87
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(Choose three.)
- A. ipv6
- B. ip
- C. host
- D. src
- E. dst
正解：C、D、E
質問 # 88
CORRECT TEXT
Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)
正解：
解説：
device.map
質問 # 89
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 # 90
What is the purpose of the smartd daemon?
- A. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.
- B. It monitors certain disk drives and attempts to predict when they will fail.
- C. It attempts to automatically repair file systems upon a failed file system check.
- D. It is a user space daemon used for reading smart cards and integrated circuit chips.
正解：B
質問 # 91
Fill in the blank.
Which is the main configuration file for the SystemV init process? (Specify the full name of the file, including path.)
正解：
解説：
/etc/inittab
質問 # 92
Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?
- A. top
- B. vmstat
- C. uptime
- D. ps aux
- E. freemem
正解：A
質問 # 93
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