Lpi Certified 201-450 Dumps Questions Valid 201-450 Materials
Current 201-450 Exam Dumps [2022] Complete Lpi Exam Smoothly
Who Is LPIC-2 201-450 Test Intended for?
Particularly, this exam is designed for candidates who want to enter the world of Linux specialists. It also allows the candidates to learn about the Linux network services and the implementation of system security like firewalls and VPN. To take this exam, you should first get certified with the LPIC-1 endorsement.
Exam Syllabus
The highlights of the topics covered in the LPI 201-450 certification exam are as follows:
- Network Configuration
The test takers should be capable of configuring a network device to connect to a local, wired or wireless, and wide-area network. They should have the capacity to communicate between various subnets within a single network, including both IPv4 and IPv6 networks. The individuals need to develop competency in configuring a network device to apply different network authentication schemes, customizing a multi-homed network device, as well as resolving communication issues. Other skills covered within this section include identifying and correcting most frequent network setup problems, including expertise in locations for fundamental configuration commands & files.
- Filesystem & Devices
The students should be capable of properly configuring and navigating the typical Linux filesystem. This topic also includes customizing and mounting different filesystem types. The applicants need to demonstrate their proficiency in maintaining a Linux filesystem with the help of system utilities as well as manipulating typical filesystems & monitoring SMART devices. Moreover, they should be able to customize automount filesystems with the help of AutoFS, create filesystems for devices such as CD-ROMs, and have the fundamental feature competency in encrypted filesystems.
- Capacity Planning
The candidates should be capable of measuring hardware resource & network bandwidth, define and troubleshoot resource issues. They will also need to demonstrate their ability to monitor resource utilization to forecast prospective resource needs.
- System Maintenance
You should be capable of building and installing an executable program from the source as well as unpack a file of sources. You need to have proficiency in utilizing system devices to back up crucial system data. Moreover, you should possess the skills in notifying the users about the current issues related to the system.
- Linux Kernel
The examinees should have proficiency in using the kernel elements needed for specific system resources & requirements, hardware, as well as hardware drivers. In addition, they will have to demonstrate that they are capable of properly configuring a kernel to disable or include particular Linux kernel features as appropriate. The applicants should also be able to handle or/and query a 2.6.x, 3.x, or 4.x kernel as well as its loadable modules.
Topics Measured by 201-450 Exam
This test consists of seven domains that are important for the candidate to understand before taking the main validation. Thus, the candidates should master and clear such concepts in the following areas:
- Capacity Planning;
- System Maintenance.
- Filesystem and Devices;
- Advanced Storage Device Administration;
- Network Configuration;
The first tested domain covers capacity planning. It deals with measuring and troubleshooting resource problems. In a nutshell, it includes the knowledge areas like measuring I/O for disks, I/O necessary for networks, firewalls as well as the throughput for routers, correlating symptoms with problems, and identifying bottlenecks in systems. You will also forecast possible resource necessities that include observing the growth rate of capacity usage, measuring methods to control the usage of the IT framework, and forecasting the breakpoint of configuration.
The second area focuses on system startup. It is a vast topic that includes the optimizing SysV-init startup for the system. The candidate must know how to thoroughly understand the system, Linux boot process, and SysV-init. In addition, you will learn how to interact with SysV-init run levels and systemd targets. You should also know about operating the systems during the recovery mode and boot process. The awareness of bootloaders and their essential features is important for the candidate to understand before taking the final exam.
The third objective involves filesystems and devices. It revolves around the operation of Linux filesystems and configuring different types of filesystem types. Here, you don't only come across the configuration of filesystems but also their maintenance, which is done by using the utilities. Moreover, the candidate must be able to configure automount filesystems by utilizing AutoFS. It includes creating the filesystem for devices like CD-ROM and information of the encrypted filesystems.
The fourth scope includes Linux Kernel. Within such a segment, you will come across the kernel components that comprise the implementation of various types of kernel images, development kernels, classifying patches, and utilizing the kernel modules. Furthermore, the knowledge of compiling a kernel and its management alongside troubleshooting plays an essential role in 201-450 test. The candidate should also have skills to recognize device detection and administration using the udev. Finally, this area focuses on troubleshooting udev rules and correcting the runtime issues.
The fifth part of the official exam covers network configuration. The candidate's knowledge about basic network configuration is tested here. Particularly, this includes the utilities to arrange and execute ethernet interfaces for networks and providing access to those networks that are wireless. Besides, you will also get to know how to recognize the common network issues and the location for the correct configuration of commands and files. Lastly, you should also know the configuration of the network device for applying several network schemes and determine the communication problems that occur in the network that is multi-homed.
The sixth domain is advanced storage device administration. While dealing with it, you will be learning about configuring RAID and implementing RAID software. You will also be tested upon the subtopics like adjusting storage devices and logical volume manager, which includes generating and eliminating the logical volumes, physical volumes, and volume groups. The candidate should also know software tools to modify and review hard disk settings.
The seventh and last tested topic emphasizes system maintenance. It details creating and installing programs from source. Thus, you will unload the source code by utilizing the compression archive efficacies. The candidate will also be tested on backup operations that include performing manual and partial backups, verifying the back & integrity files, the awareness of network backup solutions, and the drawbacks of tapes, disk, CDR, and other backup media. Moreover, you must have the skills to inform the users on system-related issues by communicating with the users.
NEW QUESTION 54
CORRECT TEXT
Please enter the complete path to the main SysV init process configuration file.
Answer:
Explanation:
/etc/inittab
NEW QUESTION 55
In the following output of the command uptime, 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
- A. 1, 15 and 30 minutes
- B. 1, 5 and 15 minutes
- C. 15, 30 and 60 minutes
- D. 15, 45 and 90 seconds
- E. 5, 20 and 25 seconds
Answer: B
NEW QUESTION 56
Fill in the blank.
Which directory contains system-specific systemd unit files? (Specify the full path to the directory.)
Answer:
Explanation:
/lib/systemd/system
NEW QUESTION 57
The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?
- A. hdparm -d 1 /dev/hda
- B. hdparm -d /dev/hda
- C. hdparm --dma /dev/hda
- D. hdparm -d /dev/hda1
- E. hdparm --dma /dev/hda1
Answer: A
NEW QUESTION 58
What is the command to add another IP address (192.168.1.2) to a network interface (eth0) that already has (at least) one IP address in the 192.168.1.0/24 subnet?
- A. ipconfig eth0 192.168.1.2
- B. ip addr add 192.168.1.2/32 dev eth0
- C. ip add addr 192.168.1.2/32 dev eth0
- D. ifconfig eth0 192.168.1.2 netmask 255.255.255.255
Answer: B
NEW QUESTION 59
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. iwlist
- B. ifconfig
- C. arp
- D. ipadm
Answer: C
Explanation:
Explanation/Reference:
NEW QUESTION 60
What does the -p3 option to the patch command do?
- A. patch will keep three previous versions of each file in the output to prevent loss of change history.
- B. It will strip off path information from each file mentioned in the patch file up to and including the third / character.
- C. It instructs patch to look up to three lines of context before or after the declared line in the original file for a match.
- D. patch continues execution as long as there are three or fewer errors.
- E. It instructs patch to conform more strictly to the POSIX standard.
Answer: B
NEW QUESTION 61
How can the label rootbe added to the ext4 filesystem on /dev/sda1?
- A. tune2fs -L root /dev/sda1
- B. relabel /dev/sda1 root
- C. echo 'root' > /proc/fs/sda1/label
- D. labelfs --device /dev/sda1 root
Answer: A
NEW QUESTION 62
How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)
- A. Edit /etc/shmmax and set the parameter to 2147483648.
- B. sysctl shmmax=2147483648
- C. export kernel.shmmax=2147483648
- D. sysctl kernel.shmmax=2147483648
- E. echo 2147483648 > /proc/sys/kernel/shmmax
Answer: D,E
NEW QUESTION 63
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 64
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 attempts to automatically repair file systems upon a failed file system check.
- C. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.
- D. It monitors certain disk drives and attempts to predict when they will fail.
Answer: D
NEW QUESTION 65
What mount option must be used in /etc/fstab when mounting an iSCSI target?
- A. iscsi
- B. _netdev
- C. _santarget
- D. waitiscsi
Answer: B
NEW QUESTION 66
A regular user has just run
./configure && make && make install
to build and install a program. However, the installation fails. What could be done to install the program?
(Choose two.)
- A. Install the binaries manually with suinstall
- B. Rerun ./configurewith a --prefix option where the user has permissions to write
- C. Do not run ./configurein order to maintain the default configuration for correct installation
- D. Run make install with root privileges
- E. Run make install_local to install into /usr/local/
Answer: B,D
NEW QUESTION 67
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 68
Which of the following commands erases the contents of the /dev/sdb3partition?
- A. umount /dev/sdb3
- B. dd if=/dev/zero of=/dev/sdb3
- C. rm /dev/sdb3
- D. dd of=/dev/zero if=/dev/sdb3
Answer: B
NEW QUESTION 69
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