Lpi 201-450リアル試験問題テストエンジン問題集トレーニングには367問あります [Q74-Q95]

Lpi 201-450リアル試験問題テストエンジン問題集トレーニングには367問あります

201-450実際の問題解答PDFには100%カバー率リアル試験問題

質問 # 74
What command is used to send messages to all users currently logged in? (Specify ONLY the command without any path or parameters.)

正解：

解説：
wall

質問 # 75
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 # 76
Consider the following /etc/fstab file:
/dev/hda1 swap swap defaults 0 0
/dev/hda2 / ext2 defaults 1 1
/dev/hda3 /home ext2 defaults 1 2
none /proc proc defaults 0 0
/dev/fd0 /media/floppy vfat user,noauto 0 0
What command can an ordinary (non-root) user use to mount a floppy disk in this system?
(Please enter the command with all parameters and/or options)

正解：

解説：
mount /dev/fd0

質問 # 77
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 # 78
What are typical targets in a makefile?

A. PATHS, DESTDIR, LIBS, LDFLAGS
B. prefix, exec_prefix, bindir, mandir
C. clean, install, uninstall
D. CFLAGS, CPPFLAGS, LIBS, LDFLAGS

正解：C

質問 # 79
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. 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 -net 10.10.1.0/24

正解：B、E

質問 # 80
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. ipadm
B. ifconfig
C. iwlist
D. arp

正解：D

解説：
Explanation/Reference:

質問 # 81
Because of a bad BIOS LBA translation, a booting system displays an error instead of a LILO prompt.
Complete the error message with the error number: L

正解：

解説：
01

質問 # 82
Which command will report information on memory usage, paging and block input/output?

A. top
B. ps
C. free
D. memshow
E. vmstat

正解：E

質問 # 83
Which of the following files are used to resolve hostnames to IP addresses? (Choose TWO correct answers.)

A. /etc/dns.conf
B. /etc/systems
C. /etc/hosts
D. /etc/network
E. /etc/resolv.conf

正解：C、E

質問 # 84
You have configured a workstation to boot in runlevel 4, but you now find that the X server will not start correctly and the machine will not allow local access. What would be the most effective command to run at the LILO prompt to regain local access to the machine, when the last known working kernel image was linux?

正解：

解説：
linux s

質問 # 85
With which command can the reserved blocks count for a file-system be seen? (Please enter only the command without the path or any parameters or options)

正解：

解説：
tune2fs

質問 # 86
CORRECT TEXT
What command discards unused blocks on a mounted file system in order to support SSD devices? (Specify ONLY the command without any path or parameters.)

正解：

解説：
fstrim

質問 # 87
Which of the following is a global non-login bash startup script?

A. /etc/bashrc
B. /etc/profile
C. /root/.bashrc
D. /root/.profile

正解：A

質問 # 88
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? Please enter the complete path to the file.

正解：

解説：
/etc/sysctl.conf

質問 # 89
Which commands below are useful to collect data about remote filesystem connections?
(Choose TWO correct answers.)

A. cifsiostat
B. nfsiostat
C. pidstat
D. sadf

正解：A、B

質問 # 90
CORRECT TEXT
Consider the following /etc/fstab file:
/dev/hda1 swap swap defaults 0 0
/dev/hda2 / ext2 defaults 1 1
/dev/hda3 /home ext2 defaults 1 2
none /proc proc defaults 0 0
/dev/sdb1 /media/usb0 vfat user,noauto 0 0
What is one of the possible commands that an ordinary (non-root) user can use to mount the /dev/sdb1 partition on the /media/usb0 mount point? (Please enter the command with all parameters and/or options but without any file system type options.)

正解：

解説：
mount /dev/sdb1, mount /media/usb0, /bin/mount /dev/sdb1, /bin/mount/media/usb0, mount /media/usb0/, /bin/mount /media/usb0/

質問 # 91
Which file in /proc contains information on the status of local software RAID devices?

A. /proc/mdstat
B. /proc/raidstat
C. /proc/raid/status
D. /proc/mdstatus
E. /proc/raidstatus

正解：A

質問 # 92
After the downloading patch-4.6.4.xz from http://kernel.org, what are the next steps to prepare the build of a version 4.6.4 Linux kernel? (Choose two.)

A. Apply the patch file to the kernel source directory containing kernel version 4.6.0
B. Apply the patch file to the kernel source directory containing kernel version 4.6.3
C. Use patch to apply the uncompressed patch file to the source directory of any previous kernel version
D. Uncompress the file using xz to get the uncompressed patch file
E. Uncompress the file and move the resulting directory to /usr/src/linux

正解：A、D

質問 # 93
A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target will only update the configuration file for the new kernel version? (Please enter only the make target.)

正解：

解説：
oldconfig

質問 # 94
Which TWO of the following wireless tools can be used to check the wireless network link quality?