102-500 Free Certification Exam Material from TestkingPass with 195 Questions
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Security
Like any other security concept, Linux security covers the objectives as follow:
- Setting diverse passwords, utilize nmap as well as netstat to explore system ports that are open;
- The usage of sudo and its implementation;
- Performing security administration tasks;
- Setting up host security;
- Getting the gist of the TCP wrappers and shadow passwords;
- Deal with OpenSSH 2 configuration for clients and understand its key roles;
- Grasp the GnuPG features & SSH port tunnels as well as their usage
- Securing data through encryption;
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NEW QUESTION 60
After editing the TCP wrapper configuration to grant specific hosts access to a service, when do these changes become effective?
- A. The new configuration becomes effective when the last established connection to the service is closed.
- B. The new configuration becomes effective after restarting the tcpd service.
- C. The new configuration becomes effective after restarting the respective service.
- D. The new configuration becomes effective at the next system reboot.
- E. The new configuration becomes effective immediately for all new connections.
Answer: E
NEW QUESTION 61
Which of the following commands will help identify a broken router between the local and the remote machine?
- A. ifconfig
- B. traceroute
- C. nslookup
- D. ps
- E. netstat
Answer: B
NEW QUESTION 62
What command can be used to generate syslog entries of any facility and priority? (supply just the command name without a path)
Answer:
Explanation:
logger
NEW QUESTION 63
Which file, when using Sendmail or a similar MTA system, will allow a user to redirect all their mail to another address and is configurable by the user themselves?
- A. ~/.alias
- B. /etc/alias
- C. /etc/mail/forwarders
- D. ~/.forward
- E. ~/.vacation
Answer: D
NEW QUESTION 64
What is the purpose of the iconv command?
- A. It converts bitmap images from one format to another such as PNG to JPEG.
- B. It changes the mode of an inode in the ext4 file system.
- C. It displays additional meta information from icon files ending in .ico.
- D. It converts files from one character encoding to another.
- E. It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).
Answer: D
NEW QUESTION 65
You are looking into a new script you received from your senior administrator. In the very first line you notice a #! followed by a file path. This indicates that:
- A. This script will self-extract into a file at that location.
- B. The program at that location will be used to process the script.
- C. The file at that location was used to make the script.
- D. This script provides identical functionality as the file at that location.
Answer: B
NEW QUESTION 66
What information related to a user account is modified using the chage command?
- A. Default permissions for new files
- B. Group membership
- C. Set of commands available to the user
- D. Default ownership for new files
- E. Password expiry information
Answer: E
NEW QUESTION 67
Which configuration file would be edited to change default options for the OpenSSH server?
- A. /etc/ssh/ssh_server
- B. /etc/ssh/sshd_config
- C. /etc/ssh/ssh
- D. /etc/ssh/server
- E. /etc/ssh/ssh_config
Answer: B
NEW QUESTION 68
How do shadow passwords improve the password security in comparison to standard no-shadow password?
- A. Shadow passwords are always combined with a public key that has to match the user's private key.
- B. Regular users do not have access to the password hashes of shadow passwords.
- C. The system's host key is used to encrypt all shadow passwords.
- D. Every shadow password is valid for 45 days and must be changed afterwards.
- E. Shadow passwords are stored in plain text and can be checked for weak passwords.
Answer: B
NEW QUESTION 69
X is running okay but you're concerned that you may not have the right color depth set. What single command will show you the running color depth while in X?
- A. xwininfo
- B. xcd
- C. xcolordepth
- D. cat /etc/X11
- E. xcdepth
Answer: A
NEW QUESTION 70
Which of the following statements is true regarding systemd timer units?
- A. Timer units can only be defined within a service unit's file.
- B. Each systemd timer unit controls a specific systemd service unit.
- C. The command executed by the timer is specified in the timer unit's [Cmd] section.
- D. Timer units only exist in the system scope and are not available for users.
- E. A dedicated system service, systemd-cron, handles the execution of timer units.
Answer: B
NEW QUESTION 71
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
- A. quota
- B. ktrace
- C. core
- D. ulimit
- E. edquota
Answer: D
NEW QUESTION 72
Your senior administrator asked you to change the default background of his machine, which uses XDM.
Which file would you edit to achieve this?
- A. /etc/X11/defaults.conf
- B. /etc/X11/xdm/Xsetup
- C. /etc/X11/xdm/Defaults
- D. /etc/X11/xdm.conf
Answer: B
NEW QUESTION 73
What is the purpose of the command mailq?
- A. It is a command-line based tool for reading and writing emails.
- B. It is a multi-user mailing list manager.
- C. It fetches new emails from a remote server using POP3 or IMAP.
- D. It is a proprietary tool contained only in the qmail MTA.
- E. It queries the mail queue of the local MTA.
Answer: E
NEW QUESTION 74
Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?
- A. zoneinfo
- B. dnsq
- C. dig
- D. dnslookup
- E. hostname
Answer: C
NEW QUESTION 75
Which of the following is a valid IPv6 address?
- A. 2001:db8:0g41::1
- B. 2001%db8%9990%%1
- C. 2001:db8:3241::1
- D. 2001.db8.819f..1
- E. 2001::db8:4581::1
Answer: C
NEW QUESTION 76
For accessibility assistance, which of the following programs is an on-screen keyboard?
- A. xkb
- B. xOSK
- C. atkb
- D. GOK
Answer: D
NEW QUESTION 77
What is the purpose of a screen reader?
- A. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
- B. It displays lines and markers to help people use speed reading techniques.
- C. It reads displayed text to accommodate the needs of blind or visually impaired people.
- D. It manages virtual keyboards on touch screen displays.
- E. It manages and displays files that contain e-books.
Answer: C
Explanation:
Explanation
NEW QUESTION 78
Which of the following are tasks handled by a display manager like XDM or KDM? (Choose TWO correct answers.)
- A. Handle the login of a user.
- B. Configure additional devices like new monitors or projectors when they are attached.
- C. Lock the screen when the user was inactive for a configurable amount of time.
- D. Create an X11 configuration file for the current graphic devices and monitors.
- E. Start and prepare the desktop environment for the user.
Answer: A,E
NEW QUESTION 79
If neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
- A. Without additional configuration, only root may create user specific crontabs.
- B. The default settings of /etc/crond.conf define whether or not user specific crontabs are generally allowed or not.
- C. The cron daemon will refuse to start and report missing files in the system's logfile.
- D. When a user creates a user specific crontab the system administrator must approve it explicitly.
- E. Without additional configuration, all users may create user specific crontabs.
Answer: B
NEW QUESTION 80
What is the purpose of the iconv command?
- A. It converts bitmap images from one format to another such as PNG to JPEG.
- B. It displays additional meta information from icon files ending in .ico.
- C. It verifies that the root directory tree compiles to all conventions from the Filesystem Hierarchy Standard (FHS).
- D. It converts files from one character set to an other.
- E. It changes the mode of an inode in the ext4 filesystem.
Answer: D
NEW QUESTION 81
Which of the following tasks are handled by a display manager like XDM or KMD? (Choose two.)
- A. Handle the login of a user.
- B. Configure additional devices like new monitors or projectors when they are attached.
- C. Lock the screen when the user was inactive for a configurable amount of time.
- D. Create an X11 configuration file for the current graphic devices and monitors.
- E. Start and prepare the desktop environment for the user.
Answer: A,E
NEW QUESTION 82
What output is produced by the following command sequence?
echo '1 2 3 4 5 6' | while read a b c; do
echo result $c $b $a;
done
- A. result: 3 4 5 6 2 1
- B. result: 6 5 4 3 2
- C. result: 3 2 1
- D. result: 1 2 3 4 5 6
- E. result: 6 5 4
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION 83
FILL BLANK
Which directory holds configuration files for xinetd services? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/xinetd.d/
NEW QUESTION 84
Which of the following configuration files should be modified to set default shell variables for all users?
- A. /etc/profile
- B. /etc/bashrc
- C. ~/.bash_profile
- D. /etc/.bashrc
Answer: A
NEW QUESTION 85
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LPI LPIC-1 Exam Certification Details:
| Exam Price | $200 (USD) |
| Schedule Exam | LPI Marketplace |
| Number of Questions | 60 |
| Sample Questions | LPI LPIC-1 Sample Questions |
| Passing Score | 500 / 800 |
| Duration | 90 mins |
| Exam Name | LPIC-1 Linux Administrator |
| Exam Code | 102-500 |
Dumps Brief Outline Of The 102-500 Exam: https://www.testkingpass.com/102-500-testking-dumps.html
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