201-450練習テスト問題解答には更新された162問があります
201-450問題集はLPIC 2合格確定させる練習で162問があります
LPIC-2認定は、Linux Professional Institute（LPI）が提供する世界的に認められた認定です。この認定は、Linuxベースのシステムを管理および管理するためのITプロフェッショナルの専門知識を検証します。 LPIC-2認定は、Linuxシステム管理の高度な知識と経験を持つITプロフェッショナルにとって理想的です。
質問 # 16
Which command is used to install a new LILO boot loader?
- A. lilo-config
- B. install-lilo
- C. lilo
- D. lilo-install
正解：C
質問 # 17
Fill in the blank.
What command ensures that the file systems are written to disk after a lot of write operations? (Specify ONLY the command without any path or parameters.)
正解：
解説：
sync
質問 # 18
Which single command simulates a failed device within a RAID 5 array?
- A. mdadm --force-fault /dev/md2 /dev/sde2
- B. mdadm --remove /dev/md0 /dev/sdd1
- C. mdadm --fail /dev/md0 /dev/sdc1
- D. mdadm /dev/md0 --offline /dev/sdc1
- E. mdadm --zero-superblock /dev/sdf3
正解：C
質問 # 19
Which of the following commands will erase the contents of the /dev/sdb3 partition?
- A. umount /dev/sdb3
- B. dd if=/dev/zero of=/dev/sdb3
- C. rm /dev/sdb3
- D. dd of=/dev/zero if=/dev/sdb3
正解：B
質問 # 20
Which command is used to make an exact copy, at a single point in time, of a logical volume while still allowing the original logical volume to be updated?
- A. lvsnap
- B. lvcreate
- C. lvcclone
- D. lvsnapshot
- E. lvm2
正解：B
質問 # 21
CORRECT TEXT
Which keyword is used in the /etc/inittab file to define the SysV-init default system runlevel?
正解：
解説：
initdefault
質問 # 22
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 -net 10.10.1.0/24
- B. ip route delete 10.10.1.0/24
- C. ip net delete 10.10.1.0/24
- D. route del 10.10.1.0/24 gw 192.168.246.11
- E. route del 10.10.1.0/24
正解：A、B
質問 # 23
Which of the following commands restores only those files containing lpiin their name from the archive lpifiles.tar.gz?
- A. tar -xvzf lpifiles.tar.gz --subdirs '*lpi*'
- B. tar xvzf lpifiles.tar.gz --wildcards '*lpi*'
- C. tar -xvfz lpifiles.tar.gz --deep '*lpi*'
- D. tar xvzf lpifiles.tar.gz --globbing '*lpi*'
- E. tar xvzwf lpifiles.tar.gz '*lpi*'
正解：B
質問 # 24
CORRECT TEXT
Running tcpdump -nli eth1 'tcp' shows the following output:
14:41:53.694538 IP 10.1.52.145.51738 > 24.215.7.162.143: Flags [.], ack 33051, win 1002, options [nop,nop,TS val 36789130 ecr 1746004159], length 0 What is the source IP address of this packet? (Please specify the answer in digits and dots ONLY.)
正解：
解説：
10.1.52.145
質問 # 25
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(Choose three.)
- A. dst
- B. ip
- C. ipv6
- D. src
- E. host
正解：A、D、E
解説：
Explanation/Reference:
質問 # 26
What is the correct parameter to pass to the kernel at boot time to force it to use only one of the available processors?
- A. maxcpus=1
- B. vcpumx=1
- C. usecpus=1
- D. smpcpus=1
正解：A
質問 # 27
What should be done to ensure a client machine uses the recursive nameserver running on the IP address 192.168.0.1? (Choose TWO correct answers.)
- A. Run ifconfig eth0 nameserver 192.168.0.1.
- B. Run route add nameserver 192.168.0.1.
- C. Add nameserver 192.168.0.1 to /etc/resolv.conf.
- D. Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.
- E. Run bind add nameserver 192.168.0.1.
正解：C、D
質問 # 28
During booting, when the Linux kernel loads an initramfs file, which command from the initramfs will be executed first, if present?
- A. /sbin/init
- B. /initrd
- C. /init
- D. /rc.local
- E. /linuxrc
正解：C
質問 # 29
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. mkswap /tmp/swapfile 512000; swapon /tmp/swapfile
- B. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; mount
/tmp/swapfile - C. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; mkswap /tmp/swapfile; swapon /tmp/swapfile
- D. touch -5G /tmp/swapfile; swapon /tmp/swapfile
- E. dd if=/dev/zero of=/tmp/swapfile bs=1024 count=5120000; swapon /tmp/swapfile
正解：C
質問 # 30
What option in the collectd configuration file is required in order to define what to start monitoring?
- A. Plugin
- B. LoadPlugin
- C. LoadModule
- D. Module
正解：B
質問 # 31
CORRECT TEXT
What command ensures that the file systems are written to disk after a lot of write operations? (Specify ONLY the command without any path or parameters.)
正解：
解説：
sync
質問 # 32
CORRECT TEXT
What keyword is missing in the following line from /etc/fstab in order to make a USB flash device writeable by the user fred when mounted:
/dev/sda1 /mnt/usbflash vfat defaults,users,______=fred,umask=022, 0 0
(Provide the option name only without any settings)
正解：
解説：
uid
質問 # 33
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