Lpi 201-450 Dumps Updated Mar 20, 2023 WIith 162 Questions
View All 201-450 Actual Free Exam Questions Mar 20, 2023 Updated
NEW QUESTION 43
After changing the default runlevel in the SysV-init configuration file, the system boots in a different than intended runlevel. Where else could this different runlevel be defined?
- A. In the /etc/runlevel file
- B. In the /etc/sysctl.conf
- C. In the /etc/rc.d/rc.local file
- D. In the /boot/initramfs file
- E. In the boot loader configuration file
Answer: E
NEW QUESTION 44
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 metric value
- B. The default route with the lowest metric value
- C. The default route with the highest TTL value
- D. The default route with the highest MTU value
- E. The default route with the lowest TTL value
Answer: B
NEW QUESTION 45
How is the source code for the main Linux kernel modules distributed?
- A. It is included with the Linux kernel source code.
- B. The kernel modules have their own release cycle and can be maintained separately from the Linux kernel source.
- C. The kernel modules are downloaded on demand as they are used during compilation.
- D. It is provided as a separate download alongside the Linux kernel source code of the same version.
Answer: A
NEW QUESTION 46
How is the source code for the main Linux kernel modules distributed?
- A. The kernel modules are downloaded on demand as they are used during compilation
- B. It is included with the Linux kernel source code
- C. The kernel modules have their own release cycle and can be maintained separately from the Linux kernel source
- D. It is provided as a separate download alongside the Linux kernel source code for the same version
Answer: B
NEW QUESTION 47
CORRECT TEXT
A new kernel version needs to be compiled to use a new feature. If the old kernel configuration file is available, which make target creates a configuration file for the new kernel based on the configuration of the old kernel?
Answer:
Explanation:
oldconfig, make oldconfig
NEW QUESTION 48
Which single command simulates a failed device within a RAID 5 array?
- A. mdadm --zero-superblock /dev/sdf3
- B. mdadm --force-fault /dev/md2 /dev/sde2
- C. mdadm /dev/md0 --offline /dev/sdc1
- D. mdadm --remove /dev/md0 /dev/sdd1
- E. mdadm --fail /dev/md0 /dev/sdc1
Answer: E
NEW QUESTION 49
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. sy
- D. us
Answer: C,D
NEW QUESTION 50
CORRECT TEXT
Which file tells GRUB the paths of the filesystem partitions in both Linux format and in the GRUB syntax? (Specify the file name only with no path information)
Answer:
Explanation:
device.map
NEW QUESTION 51
The following is an excerpt from the output of tcpdump -nli eth1 'udp':
1 3:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.53: 43653+ A? lpi.org. (25)
1 3:03:17.598624 IP 192.168.5.112.53 > 192.168.123.5.1065: 43653 1/0/0 A 198.51.100.42 (41) Which network service or protocol was used?
- A. DHCP
- B. FTP
- C. SSH
- D. DNS
- E. HTTP
Answer: D
NEW QUESTION 52
What mechanism does collectd use to gather monitoring information on systems?
- A. It makes SNMP queries to the clients being monitored.
- B. A master server connects to a collectd service on each machine to retrieve the information.
- C. It collects its own information on each server and sends that to a master server.
- D. It uses a library of plugins.
Answer: D
NEW QUESTION 53
Where would fsck put any unreferenced file or file fragments on a ext4 filesystem?
- A. lost+found
- B. lost
- C. back
- D. recover
Answer: A
NEW QUESTION 54
What is a key difference between a zImage and bzImage kernel image?
- A. zImage is compressed using gzip, bzImage is compressed using bzip2.
- B. zImage is limited to 64k, bzImage has no such restriction.
- C. zImage is for 2.6 series kernels, bzImage is for 3.x series kernels.
- D. zImage gets loaded completely into low memory. bzImage will load into high memory once low memory is full.
Answer: D
NEW QUESTION 55
What is the functionality that PXE provides?
- A. The ability to verify a system's configuration after completing the boot process.
- B. The ability to verify a system's configuration before completing the boot process.
- C. The ability to boot a computer using its network interface.
- D. The ability to launch an remote X11 desktop on a computer.
Answer: C
NEW QUESTION 56
Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)
- A. dest
- B. src or dst
- C. both
- D. src
- E. source
Answer: B,D
NEW QUESTION 57
Which command will report information on memory usage, paging and block input/output?
- A. vmstat
- B. ps
- C. top
- D. free
- E. memshow
Answer: A
NEW QUESTION 58
What is the purpose of the smartd daemon?
- A. It is a user space daemon used for reading smart cards and integrated circuit chips.
- B. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.
- C. It monitors certain disk drives and attempts to predict when they will fail.
- D. It attempts to automatically repair file systems upon a failed file system check.
Answer: C
NEW QUESTION 59
Which command is used to install a GRUB boot loader into the master boot record?
- A. grub-glue-mbr
- B. grub-mkconfig
- C. grub-install-mbr
- D. grub-install
- E. grub-mbr-setup
Answer: D
NEW QUESTION 60
Which of the following parameters instructs the kernel at boot time to use only one of the available processors?
- A. vmxcpus=1
- B. usecpus=1
- C. smpcpus=1
- D. maxcpus=1
- E. vcpumx=1
Answer: D
NEW QUESTION 61
CORRECT TEXT
The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.
Answer:
Explanation:
dig, time dig, time host, time nslookup
NEW QUESTION 62
In case the file containing the Linux kernel is lost, what happens when the system is booting?
- A. The bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the administrator to reinstall the kernel.
- B. The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk.
- C. Without a kernel a system cannot boot and, depending on the bootloader, an error is displayed.
- D. Instead of the kernel, the initramfs is loaded and instructed to mount the root filesystem and reinstall the kernel from the original package or from source.
Answer: C
NEW QUESTION 63
Which of the following are common Linux filesystem types used for root partitions?
(Choose THREE correct answers.)
- A. XFS
- B. NTFS
- C. Btrfs
- D. VFAT
- E. ext4
Answer: A,C,E
NEW QUESTION 64
Which of the following commands will securely copy the directory ./fyf/ to /var/tmp/ on the remote host deltaur using the remote user account kevin?
- A. rsync -a -e ssh fyf/ kevin@deltaur:/var/tmp/
- B. rsync -a -e ssh kevin@deltaur:/var/tmp/ fyf/
- C. rsync -a -u kevin -e ssh fyf/ deltaur:/var/tmp/
- D. rsync -a -u kevin -e ssh deltaur:/var/tmp/ fyf/
Answer: A
NEW QUESTION 65
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