Lpi 201-450リアル試験問題解答は無料
試験問題集で201-450練習無料最新のLpi練習テスト
質問 # 14
Which of the following commands can be used to script interactions with various TCP or UDP services?
- A. tcpdump
- B. wget
- C. ftp
- D. strings
- E. nc
正解：E
質問 # 15
CORRECT TEXT
After configuring a new kernel, what file under /usr/src/linux/ contains the configuration?
正解：
解説：
/usr/src/linux/.config, .config
質問 # 16
When planning a web server which of the following choices will impact system sizing?
(Choose THREE correct answers.)
- A. Which hardware vendor has better Linux support.
- B. How many concurrent users are expected.
- C. Will the OS install be CD, DVD or network based.
- D. What scripting languages will the web server support.
- E. What type of content will be served.
正解：B、D、E
質問 # 17
CORRECT TEXT
What is the device name for the first SCSI tape drive on a system when used without automatic rewinding after each write operation? (Please specify the full path to the device.)
正解：
解説：
/dev/nst0
質問 # 18
What is the functionality that PXE provides?
- A. The ability to boot a computer using its network interface.
- B. The ability to verify a system's configuration after completing the boot process.
- C. The ability to launch an remote X11 desktop on a computer.
- D. The ability to verify a system's configuration before completing the boot process.
正解：A
質問 # 19
CORRECT TEXT
Which file contains the message that is displayed above the login prompt of the system console? (Specify the full name of the file, including path.)
正解：
解説：
/etc/issue
質問 # 20
Which command can be used to scan a specified network looking for IP addresses that appear to be in use?
- A. tcpdump
- B. netscan
- C. hostdiscover
- D. nmap
- E. ip
正解：D
質問 # 21
Which of the following commands adds a static IPv6 address to the network interface eth0?
- A. ip -6 addr add new 2001:db8::1337/64 dev eth0
- B. ip add addr 2001:db8::1337/64 dev eth0
- C. ip addr add -6 2001:db8::1337/64 dev eth0
- D. ip -6 add addr 2001:db8::1337/64 dev eth0
- E. ip addr add 2001:db8::1337/64 dev eth0
正解：A
質問 # 22
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 # 23
On a Linux node with multiple active networks interfaces, each having a default route to the Internet, which default route is preferred?
- A. The default route with the highest MTU value
- B. The default route with the lowest metric value
- C. The default route with the lowest TTL value
- D. The default route with the highest metric value
- E. The default route with the highest TTL value
正解：B
質問 # 24
Which RAID level value must be used with Linux software RAID in order to create an array of mirrored devices?
- A. container
- B. 0
- C. 1
- D. 2
- E. mirrorstripe
正解：D
質問 # 25
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 # 26
Which archive format is used to create an initramfs image?
- A. gzip
- B. cpio
- C. bzip2
- D. RAR
- E. tar
正解：B
質問 # 27
CORRECT TEXT
Which command is used to create a ISO9660 filesystem? (Specify ONLY the command without any path or parameters.)
正解：
解説：
mkisofs, genisoimage
質問 # 28
Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?
- A. iw phy pyh0 info
- B. iw phy0 show
- C. iw dev wlan0 show
- D. iw phy wlan0 show
- E. iw dev wlan0 info
正解：A
解説：
Explanation/Reference:
質問 # 29
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 # 30
Fill in the blank.
The users of the local network complain that name resolution is not fast enough. Which command shows the time taken to resolve a DNS query? (Specify the command without path.)
正解：
解説：
dig
質問 # 31
CORRECT TEXT
After a lot of write operations, the administrator want to ensure that the kernel flushes the file system buffers to disk. Which command will accomplish this? (Specify ONLY the command without any path or parameters.)
正解：
解説：
sync
質問 # 32
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 # 33
Which command is used to install a GRUB boot loader into the master boot record?
- A. grub-install
- B. grub-glue-mbr
- C. grub-install-mbr
- D. grub-mbr-setup
- E. grub-mkconfig
正解：A
質問 # 34
How can the label rootbe added to the ext4 filesystem on /dev/sda1?
- A. echo 'root' > /proc/fs/sda1/label
- B. tune2fs -L root /dev/sda1
- C. relabel /dev/sda1 root
- D. labelfs --device /dev/sda1 root
正解：B
質問 # 35
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. device name; mount point; filesystem type; mount options; dump filesystem; fsck order
- C. mount point; filesystem type; device name; mount options; dump filesystem; fsck order
- D. device name; filesystem type; mount point; mount options; dump filesystem; fsck order
- E. device name; mount point; mount options; filesystem type; dump filesystem; fsck order
正解：B
質問 # 36
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. ifconfig
- C. ipadm
- D. iwlist
正解：A
解説：
Explanation/Reference:
質問 # 37
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