201-450 PDF問題集で2024年07月04日試験問題 有効な201-450問題集
究極の201-450準備ガイドで無料最新のLpi練習テスト問題集
Linux Professional Institute (LPI)は、Linuxやオープンソース技術を扱うITプロフェッショナル向けに、ベンダー中立の認定プログラムを提供する非営利団体です。彼らの中でも最も人気のある認定試験の1つは、LPIC-2 Exam 201、Part 1 of 2、version 4.5です。この試験は、Linux管理における高度な知識とスキルを示したいITプロフェッショナルを対象としています。
質問 # 191
Which of the following commands can be used to access the content of a ramdisk file (/boot/initrd) used by the kernel at boot time?
- A. cp /boot/initrd /tmp/initrd.gz; gunzip initrd.gz; mount /tmp/initrd /mnt/
- B. cp /boot/initrd /tmp/initrd.gz; gunzip initrd.gz; mount /tmp/initrd /mnt/ -o loop
- C. mkintird -d /boot/initrd; mount /boot/initrd /mnt/ -o loop
- D. cp /boot/initrd /tmp/initrd.gz; mount /tmp/initrd /mnt/ -o loop
- E. mount /boot/initrd /mnt/ -0 loop; cat /mnt
正解：B
質問 # 192
In some older machines, the Linux kernel defaults to polling for the parallel printer port (/dev/lp0), even if it is capable of interrupt-driven operation (ECP). Which utility enables interrupt-driven operation of the parallel port?
- A. stty
- B. tunelp
- C. setserial
- D. parpirq
- E. setpar
正解：B
質問 # 193
Which directory in /dev/disk/ can be used to determine the UUID of a connected hard disk?
正解：
解説：
/dev/disk/by-uuid, by-uuid, /dev/disk/by-uuid/
質問 # 194
How is the source code for the main Linux kernel modules distributed?
- A. The kernel modules are downloaded on demand as they are used during compilation.
- B. It is included with the Linux kernel source code.
- C. It is provided as a separate download alongside the Linux kernel source code of the same version.
- D. The kernel modules have their own release cycle and can be maintained separately from the Linux kernel source.
正解：B
質問 # 195
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 # 196
Which of the following commands adds a static IPv6 address to the network interface eth0?
- A. ip add addr 2001:db8::1337/64 dev eth0
- B. ip addr add 2001:db8::1337/64 dev eth0
- C. ip addr add -6 2001:db8::1337/64 dev eth0
- D. ip -6 addr add 2001:db8::1337/64 dev eth0
- E. ip -6 add addr 2001:db8::1337/64 dev eth0
正解：D
質問 # 197
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. Which of the following commands can be used on the client to enable it to use the router as its default gateway? (Choose two.)
- A. route add defaultgw=192.168.0.1 if=eth0
- B. route add default gw 192.168.0.1 eth0
- C. echo defaultroute 192.168.0.1 >>/etc/resolv.conf
- D. ifconfig eth0 defaultroute 192.168.0.1
- E. ip route add default via 192.168.0.1
正解：B、E
質問 # 198
Which of the following commands will erase the contents of the /dev/sdb3 partition?
- A. dd if=/dev/zero of=/dev/sdb3
- B. rm /dev/sdb3
- C. dd of=/dev/zero if=/dev/sdb3
- D. umount /dev/sdb3
正解：A
質問 # 199
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. 0
- B. 1
- C. 35.9
- D. 57.7
- E. 36.6
正解：A
質問 # 200
To securely use dynamic DNS updates, the use of TSIG is recommended. Which TWO statements about TSIG are true?
- A. TSIG is used only in server configuration
- B. TSIG is used in zone files
- C. TSIG is used for zone data encryption
- D. Servers using TSIG must be in sync (time zone!)
- E. TSIG is a signal to start a zone update
正解：A、D
質問 # 201
Which of the following init systems comes along with an own UEFI boot loader?
- A. launchd
- B. OpenRC
- C. systemd
- D. SysVinit
- E. Upstart
正解：C
質問 # 202
When planning a web server which of the following choices will impact system sizing?
(Choose THREE correct answers.)
- A. What scripting languages will the web server support.
- B. What type of content will be served.
- C. Which hardware vendor has better Linux support.
- D. How many concurrent users are expected.
- E. Will the OS install be CD, DVD or network based.
正解：A、B、D
質問 # 203
Which file contains the software RAID configuration? (Please enter the file-name without the path)
正解：
解説：
raidtab
質問 # 204
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 1vresize
- C. Run vgresize
- D. Remount the logical volume
正解：A
質問 # 205
Which file in /proc contains information on the status of local software RAID devices?
- A. /proc/raidstatus
- B. /proc/mdstatus
- C. /proc/raid/status
- D. /proc/raidstat
- E. /proc/mdstat
正解：E
質問 # 206
Which of the following wireless tools can be used to check the wireless network link quality? (Choose TWO correct answers.)
- A. iwscan
- B. iwconfig
- C. iwifi
- D. iwlink
- E. iw
正解：B、E
質問 # 207
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 used for filesystem cache
- B. Used swap space
- C. RAM used for buffers
- D. RAM available for filesystem buffers
- E. Available free RAM
正解：A、C、E
質問 # 208
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. sysctl kernel.shmmax=2147483648
- C. echo 2147483648 > /proc/sys/kernel/shmmax
- D. sysctl shmmax=2147483648
- E. Edit /etc/shmmax and set the parameter to 2147483648.
正解：B、C
質問 # 209
Considering the following kernel IP routing table now, which of the following commands must be remove the route to the network 10.10.1.0/24?
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
200.207.199.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 200.207.199.162 0.0.0.0 UG 0 0 0 ppp0
- A. route del 10.10.1.0/24 gw 192.168.246.11
- B. route del 10.10.1.0
- C. route del -net 10.10.1.0/24
- D. route del -net 10.10.1.0
- E. route del 10.10.1.0/24
正解：C
質問 # 210
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