[Nov-2024] Verified 201-450 dumps Q&As - 201-450 dumps with Correct Answers
The Best LPIC 2 Study Guide for the 201-450 Exam
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 # 128
Hundreds of people log in to a server from remote locations per day. Which of the following commands show remote SSH, FTP & telnet sessions for a particular day?
- A. cat /var/log/messages > grep "'date "+%b %e"'" > egrep '(telnet\ssh\ftp)'
- B. cat /var/log/messages | egrep '(telnet|ssh|ftp)'
- C. cat /var/log/messages | date | egrep '(telnet|ssh|ftp)'
- D. cat /var/log/messages | grep "`date "+%b %e"`" | grep -E '(telnet|ssh|ftp)'
- E. cat /var/log/messages | grep "'date "+%b %e"'" | egrep '(telnet|ssh|ftp)'
Answer: D,E
NEW QUESTION # 129
Which keyword is used in the /etc/inittab file to define the SysV-init default system runlevel?
Answer:
Explanation:
initdefault
NEW QUESTION # 130
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. The service does not support tcpwrapper.
- B. The machine needs to be restarted.
- C. The service needs to be restarted.
- D. There is a conflicting entry in /etc/hosts.allow.
- E. tcpd needs to be sent the HUP signal.
Answer: A,D
NEW QUESTION # 131
The user fred creates a cron job to retrieve email from a remote server using the fetchmail program. What is true of this cron job, if it's properly configured?
- A. The fetchmail process runs with the fred UID.
- B. The fetchmail process runs with the crontab UID.
- C. The fetchmail process runs with the root UID
- D. The fetchmail process runs with the nobody UID.
Answer: A
NEW QUESTION # 132
The Linux kernel is loaded successfully by the boot loader. However, straight after the kernel mounts the root filesystem, the boot process stops and an error message regarding init is shown.
Which of the following actions is the best one to be used in order to identify and fix the problem?
- A. The administrator reboots the system with a recovery disk and restores from a backup.
- B. The administrator reboots the system and tells init, through the boot loader prompt, to use a different runlevel.
- C. The administrator reboots the system with a recovery disk and installs a new kernel.
- D. The administrator reboots the system and tells the kernel, through the boot loader prompt, to use /bin/bash as the initial process.
- E. The administrator reboots the system with a recovery disk and checks the root file system for errors with fsck.
Answer: D
NEW QUESTION # 133
How can you manually add an entry to your system's ARP cache?
- A. Run arp -s hostname FF:FF:FF:FF:FF:FF
- B. Edit arp.conf and restart arpd
- C. Run add-arp hostname FF:FF:FF:FF:FF:FF
- D. Directly edit /etc/arp-cache
- E. Run ping -a hostname
Answer: A
NEW QUESTION # 134
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)
Answer:
Explanation:
/usr/src/linux, /usr/src/linux/
NEW QUESTION # 135
Which environment variable you have to setup to use shared libraries that are not in the standard search path?
Answer:
Explanation:
LD_LIBRARY_PATH
NEW QUESTION # 136
The following is an excerpt from the output of tcpdump -nli eth1:
1 3:03:17.277327 IP 192.168.123.5.1065 > 192.168.5.112.21: Flags [.], ack 1 (truncated)
1 3:03:17.598624 IP 192.168.5.112.21 > 192.168.123.5.1065: Flags [P.], seq (truncated) Which network service or protocol was used?
- A. SSH
- B. DHCP
- C. DNS
- D. FTP
- E. HTTP
Answer: D
NEW QUESTION # 137
You find that a host (192.168.1.4) being used on one of your client's networks has been compromised with a backdoor program listening on port 31337.
Your client requests a list of originating IP addresses connecting to that port.
Using a Linux workstation as traffic analyzer, which of the following commands would gather the data requested by the client?
- A. pcap -d 192.168.1.4:31337
- B. arpwatch -n 192.168.1.4/32 -p 31337 > capture
- C. tcpdump host 192.168.1.4 and port 31337 -w out
- D. nmap host 192.168.1.4:31337
- E. ipwatch --syn 192.168.1.4 -p 31337 --1og=out
Answer: C
NEW QUESTION # 138
Which hdparm command-line options will set an IDE hard disk to use both DMA and 32-bit I/O support?
- A. -d 1 -c 1
- B. -L 1 -i 32
- C. -L 1 -i 1
- D. -f -g
- E. -p 1 -A 1
Answer: A
NEW QUESTION # 139
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 # 140
Journalling doesn't appear to be working on an ext3 file-system. When booting, the following line appears:
VFS: Mounted root (ext2 filesystem) read only.
What could be causing the problem?
- A. An old version of e2fsprogs is installed.
- B. The kernel does not contain ext3 support.
- C. The system was not shut down cleanly.
- D. The file-system is specified as ext2 in/etc/fstab.
Answer: B
NEW QUESTION # 141
What are the important (non-comment) contents of /etc/ld.so.conf?
- A. Directory names
- B. Usernames
- C. A shell script program
- D. Environment variables
Answer: A
NEW QUESTION # 142
Fill in the blank.
The users of the local network complain that name resolution is not fast enough. Which command shows the time taken to resolve a DNS query? (Specify the command without path.)
Answer:
Explanation:
dig
NEW QUESTION # 143
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The LPIC-2 certification is a globally recognized credential that demonstrates a professional's ability to manage and administer Linux-based systems. It is ideal for IT professionals who want to advance their careers in Linux administration or for those who plan to work in organizations that use Linux. The LPIC-2 certification is also a prerequisite for advanced Linux certifications, such as the LPIC-3.
Lpi 201-450 (LPIC-2 Exam 201, Part 1 of 2, version 4.5) exam is one of the most sought-after certifications in the world of IT. 201-450 exam is designed to test the skills and knowledge of professionals who are seeking to become certified as Linux administrators. 201-450 exam is divided into two parts, with the first part focusing on the basics of Linux administration and the second part focusing on advanced Linux administration.
201-450 certification guide Q&A from Training Expert Prep4sureExam: https://lead2pass.prep4sureexam.com/201-450-dumps-torrent.html