Get Lpi 201-450 Dumps Questions [2021] To Gain Brilliant Result
201-450 dumps - Lead2Passed - 100% Passing Guarantee
NEW QUESTION 14
What is the purpose of the smartd daemon?
- A. It monitors certain disk drives and attempts to predict when they will fail.
- B. It attempts to automatically repair file systems upon a failed file system check.
- C. It is a user space daemon used for reading smart cards and integrated circuit chips.
- D. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.
Answer: A
NEW QUESTION 15
In the below example output, which columns detail the percent of time the CPU spent running non-kernel code and the percent of time the CPU spent running kernel code?
(Choose TWO 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. id
- B. wa
- C. us
- D. sy
Answer: C,D
NEW QUESTION 16
A Linux server is running in single user mode for regular maintenance. Which commands are used to restore the server to its usual runlevel? (Choose TWO correct answers.)
- A. shutdown -h now
- B. telinit 0
- C. reboot
- D. shutdown -r now
- E. sync
Answer: C,D
NEW QUESTION 17
A server requires a GRUB2 boot option which will always boot to runlevel 1. Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?
- A. linux
- B. initrd
- C. runlevel
- D. menuentry
Answer: A
NEW QUESTION 18
Which of the following files will be looked for and used by GNU make, if one of them exists, unless a different file is specified on the command line when trying to compile software from source code? (Choose two.)
- A. configure
- B. Makefile
- C. config.h.in
- D. Makefile.in
- E. makefile
Answer: B,E
NEW QUESTION 19
Which of the following commands will provide the PIDs of the processes sorted by which are using the most CPU cycles on the Linux system?
- A. vmstat
- B. ps aux
- C. top
- D. freemem
- E. uptime
Answer: C
NEW QUESTION 20
Which of the following init systems comes along with an own UEFI boot loader?
- A. Upstart
- B. launchd
- C. SysVinit
- D. OpenRC
- E. systemd
Answer: E
Explanation:
Explanation
NEW QUESTION 21
Which command will report information on memory usage, paging and block input/output?
- A. ps
- B. top
- C. free
- D. vmstat
- E. memshow
Answer: D
NEW QUESTION 22
Which of the following parameters instructs the kernel at boot time to use only one of the available processors?
- A. vcpumx=1
- B. maxcpus=1
- C. usecpus=1
- D. vmxcpus=1
- E. smpcpus=1
Answer: B
NEW QUESTION 23
CORRECT TEXT
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.)
Answer:
Explanation:
/etc/sysctl.conf
NEW QUESTION 24
Which archive format is used to create an initramfs image?
- A. bzip2
- B. gzip
- C. RAR
- D. tar
- E. cpio
Answer: E
NEW QUESTION 25
During booting, when the Linux kernel loads an initramfs file, which command from the initramfs will be executed first, if present?
- A. /linuxrc
- B. /rc.local
- C. /initrd
- D. /sbin/init
- E. /init
Answer: E
NEW QUESTION 26
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. 36.6
- C. 1
- D. 57.7
- E. 35.9
Answer: A
NEW QUESTION 27
What mechanism does collectd use to gather monitoring information on systems?
- A. It collects its own information on each server and sends that to a master server.
- B. It uses a library of plugins.
- C. It makes SNMP queries to the clients being monitored.
- D. A master server connects to a collectd service on each machine to retrieve the information.
Answer: B
NEW QUESTION 28
Which command is used to install a new LILO boot loader?
- A. lilo
- B. lilo-install
- C. lilo-config
- D. install-lilo
Answer: A
NEW QUESTION 29
Which /etc/hosts.allow entries will permit access to sshd for users from the 192.168.1.0/24 subnet? (Choose TWO correct answers.)
- A. sshd : 192.168.1.0/255.255.255.0
- B. sshd : 192.168.1.0
- C. sshd : 192.168.1.0 netmask 255.255.255.0
- D. sshd : 192.168.1.
- E. sshd : 192.168.1
Answer: A,D
NEW QUESTION 30
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.)
Answer:
Explanation:
sync
NEW QUESTION 31
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. Remount the logical volume
- C. Run 1vresize
- D. Run vgresize
Answer: A
NEW QUESTION 32
......
Get 100% Passing Success With True 201-450 Exam: https://www.lead2passed.com/Lpi/201-450-practice-exam-dumps.html
Premium Quality Lpi 201-450 Online dumps: https://drive.google.com/open?id=1bw9RFbQL8rfMXW1YRg5QSLnkFYnFLwMU
