最新 [2022年11月14日]201-450試験問題には有効な201-450問題集PDF [Q58-Q72]

58、Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?

59、CORRECT TEXT
Which keyword is used in the /etc/inittab file to define the SysV-init default system runlevel?

60、CORRECT TEXT
Which command is used to unload a single module currently loaded by the kernel without unloading any modules that it depends upon? (Specify the command with or without path information)

61、Fill in the blank.
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)

62、What mount option must be used in /etc/fstab when mounting an iSCSI target?

63、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)

64、Which one of these directories should not be backed up?

65、In the following output, 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

66、The main configuration file for autofs has this entry:
/home /etc/auto.home
What is the meaning of the /etc/auto.home file?

67、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.)

68、CORRECT TEXT
Which program lists information about files and network connections opened by processes? (Specify ONLY the command without any path or parameters.)

69、Fill in the blank.
Which is the main configuration file for the SystemV init process? (Specify the full name of the file, including path.)

70、In case the file containing the Linux kernel is lost, what happens when the system is booting?

71、In the output of sar -b, what does tps stand for?

72、On a server running the 3.4.50-11 Linux kernel, which file in the /boot directory contains the kernel configuration parameters?