Get Latest [Jan-2022] Conduct effective penetration tests using Lead2PassExam 201-450
Penetration testers simulate 201-450 exam PDF
What Career Opportunities Will You Get after Passing 201-450 Test?
The LPI 201-450 exam is compulsory if you want to qualify for the LPIC-2 certification and it opens a door of opportunities for you. Looking at the focus of LPI certification exams, all of them are along with the related positions that all LPIC certified specialists should apply for:
- System Engineers;
- Senior System Administrators.
- SQL Developers;
- Linux System Administrators;
When it comes to compensation, the annual income of the Linux system administrator is $85k while the system engineer earns an average salary of $82k as per Payscale. What's more, there are other Linux professions you can choose to enter and get a decent salary. So, multiple organizations are looking for Linux specialists to come forward and work with them.
Exam Prerequisites
The LPI 201-450 exam is mainly designed for those individuals who are seeking to build their careers in the Linux System Administration domain. The main prerequisite for this test is that the candidates need to possess the valid LPIC-1 certification before they can pursue the LPIC-2 certificate. In addition, the applicants also need to be capable of performing advanced system administration tasks, including system startup & maintenance as well as the tasks related to Linux kernel. Moreover, they should possess competency in executing advanced management of file systems & block storage, advanced networking, and authentication & system security, including VPN and firewall. They also need to know how to install and configure fundamental network services, such as DHCP, DNS, Web servers, SSH, as well as file servers that use Samba, NFS, and FTP e-mail delivery.
NEW QUESTION 55
Which archive format is used to create an initramfs image?
- A. cpio
- B. tar
- C. gzip
- D. RAR
- E. bzip2
Answer: A
NEW QUESTION 56
CORRECT TEXT
Which is the main configuration file for the SystemV init process? (Specify the full name of the file, including path.)
Answer:
Explanation:
/etc/inittab
NEW QUESTION 57
Which of the following configuration files are used by tcpwrapper?
- A. /etc/tcpd.allow and etc/tcpd.deny
- B. /etc/hosts.allow and /etc/hosts.deny
- C. /etc/service.allow and /etc/service.deny
- D. /etc/tcpwrapper.allow and /etc/tcpwrapper.deny
Answer: B
NEW QUESTION 58
Which of the filter keywords below could be used in the following command:
tcpdump -i eth0 ____________ 203.0.113.8
(Choose three.)
- A. ipv6
- B. host
- C. src
- D. dst
- E. ip
Answer: B,C,D
NEW QUESTION 59
In order to gather performance data with sar over a longer period of time, which command should be run periodically from cron?
- A. sadf
- B. sa1
- C. sarmon
- D. sarcron
- E. sarec
Answer: B
NEW QUESTION 60
In which directory tree are files modified when changing kernel parameters using the command sysctl?
- A. /sys/proc/
- B. /sys/kernel/
- C. /lib/sys/
- D. /proc/kernel/
- E. /proc/sys/
Answer: E
NEW QUESTION 61
If the file containing the Linux kernel is deleted, what happens when the system boots?
- A. 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
- B. The bootloader mounts the root filesystem read-only and launches /bin/sh directly in order to allow the administrator to reinstall the kernel
- C. The system starts normally since the bootloader copies the kernel to the master boot record of the hard disk
- D. Without a kernel system cannot boot and, depending on the bootloader, an error is displayed
Answer: D
NEW QUESTION 62
Which of the following wireless tools can be used to check the wireless network link quality? (Choose TWO correct answers.)
- A. iwconfig
- B. iwifi
- C. iwscan
- D. iwlink
- E. iw
Answer: A,E
NEW QUESTION 63
What is the purpose of an initramfs during the Linux system start?
- A. It moves the kernel from normal system memory to initram memory to speed up kernel access
- B. It loads required modules and starts sub sytems like LVM to make the root file system accessible to the kernel
- C. It copies the root file system's content to RAM to speed up the system and reduce writes to disk
- D. It creates a ram disk to store volatile data for directories like /tmpto reduce writes to disk
Answer: B
NEW QUESTION 64
What option in the collectd configuration file is required in order to define what to start monitoring?
- A. LoadPlugin
- B. LoadModule
- C. Module
- D. Plugin
Answer: A
NEW QUESTION 65
If all of the following files and/or symlinks exist in a SysV-init runlevel directory, which of the following will be executed first when booting the system directly into the runlevel?
- A. S98lpi
- B. K99lpi
- C. S99a-lpi
- D. PRE-S99lpi
- E. S99lpi
Answer: A
NEW QUESTION 66
Which RAID level value must be used with Linux software RAID in order to create an array of mirrored devices?
- A. container
- B. 0
- C. 1
- D. 2
- E. mirrorstripe
Answer: B
NEW QUESTION 67
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 -u kevin -e ssh fyf/ deltaur:/var/tmp/
- B. rsync -a -e ssh kevin@deltaur:/var/tmp/ fyf/
- C. rsync -a -u kevin -e ssh deltaur:/var/tmp/ fyf/
- D. rsync -a -e ssh fyf/ kevin@deltaur:/var/tmp/
Answer: D
NEW QUESTION 68
What component of a system does smartdmonitor?
- A. CPU
- B. RAM
- C. Ethernet traffic
- D. Hard drives
Answer: D
NEW QUESTION 69
Which of the following commands adds a static IPv6 address to the network interface eth0?
- A. ip add addr 2001:db8::1337/64 dev eth0
- B. ip -6 add addr 2001:db8::1337/64 dev eth0
- C. ip addr add -6 2001:db8::1337/64 dev eth0
- D. ip -6 addr add new 2001:db8::1337/64 dev eth0
- E. ip addr add 2001:db8::1337/64 dev eth0
Answer: D
NEW QUESTION 70
What should be done to ensure a client machine uses the recursive nameserver running on the IP address 192.168.0.1? (Choose TWO correct answers.)
- A. Add nameserver 192.168.0.1 to /etc/resolv.conf.
- B. Ensure that the dns service is listed in the hosts entry in the /etc/nsswitch.conf file.
- C. Run ifconfig eth0 nameserver 192.168.0.1.
- D. Run route add nameserver 192.168.0.1.
- E. Run bind add nameserver 192.168.0.1.
Answer: A,B
NEW QUESTION 71
What is the purpose of a system mount unit?
- A. It is used by the command systemd-mount and allows users to mount partitions to mount points of their choice
- B. It is used only to mount network file systems to local mount points. It cannot be used for local media
- C. It is used by the command mount when using system to mount and unmount file systems
- D. It is created by the command systemd-fstab-generator to integrate entries from /etc/fstab into the system boot process
Answer: A
NEW QUESTION 72
Which of the following commands erases the contents of the /dev/sdb3partition?
- A. dd if=/dev/zero of=/dev/sdb3
- B. umount /dev/sdb3
- C. rm /dev/sdb3
- D. dd of=/dev/zero if=/dev/sdb3
Answer: A
NEW QUESTION 73
Which file in /proc contains information on the status of local software RAID devices?
- A. /proc/raid/status
- B. /proc/raidstatus
- C. /proc/mdstatus
- D. /proc/mdstat
Answer: D
NEW QUESTION 74
CORRECT TEXT
What command will remove a physical volume from a volume group? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
vgreduce, /sbin/vgreduce
NEW QUESTION 75
Which of the following commands will erase the contents of the /dev/sdb3 partition?
- A. dd if=/dev/zero of=/dev/sdb3
- B. umount /dev/sdb3
- C. rm /dev/sdb3
- D. dd of=/dev/zero if=/dev/sdb3
Answer: A
NEW QUESTION 76
A correctly formatted entry has been added to /etc/hosts.deny to prevent certain clients from connecting to a service but this is having no effect. What could be the cause of this?
(Choose TWO correct answers.)
- A. There is a conflicting entry in /etc/hosts.allow.
- B. The machine needs to be restarted.
- C. The service needs to be restarted.
- D. The service does not support tcpwrapper.
- E. tcpd needs to be sent the HUP signal.
Answer: A,D
NEW QUESTION 77
The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?
- A. hdparm -d /dev/hda
- B. hdparm -d /dev/hda1
- C. hdparm --dma /dev/hda1
- D. hdparm -d 1 /dev/hda
- E. hdparm --dma /dev/hda
Answer: D
NEW QUESTION 78
What command is used to make an exact copy, at a single point in time, of a logical volume for backup purposes?
- A. lvcreate
- B. lvsnap
- C. lvcopy
- D. lvsnapshot
- E. lvclone
Answer: A
NEW QUESTION 79
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