Get New 2022 Valid Practice To your 102-500 Exam (Updated 195 Questions)
LPIC Level1 102-500 Exam Practice Test Questions Dumps Bundle!
NEW QUESTION 85
Which crontab entry could be used to set the system time at regular intervals?
- A. 1 0 * * * settime $d $t $24
- B. 1 0 * * * date ntp1.digex.net
- C. 1 0 * * * ntpdate ntp1.digex.net
- D. 1 0 * * * date $d $t $24
- E. 1 0 * * * runcron date ntp1.digex.net
Answer: C
NEW QUESTION 86
What is true about the Hop Limit field in the IPv6 header?
- A. The field is transmitted within a hop-by-hop extension header.
- B. Each router forwarding the packet decreases the field's value.
- C. The field is not changed during the transport of a package.
- D. For multicast packages, the field's value is always 1.
- E. Each router forwarding the packet increases the field's value.
Answer: B
NEW QUESTION 87
How many IP-addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/28? (Specify the number only without any additional information.)
Answer:
Explanation:
14
NEW QUESTION 88
Please specify the top directory containing the configuration files for the CUPS printing system. (Specify the full path to the directory.)
Answer:
Explanation:
/etc/cups, /etc/cups/
NEW QUESTION 89
On a machine running several X servers, how do programs identify the different instances of the X11 server?
- A. By a display name like: 1.
- B. By a fixed UUID that is defined in the X11 configuration file.
- C. By a device name like /dev/X11/xservers/1.
- D. By a unique IPv6 address from the fe80::/64subnet.
- E. By the name of the user that runs the X server like x11:bob.
Answer: A
Explanation:
Explanation
NEW QUESTION 90
Why is the correct configuration of a system's time zone important?
- A. Because NTP chooses servers nearby based on the configured time zone.
- B. Because the time zone is saved as part of the modification times of files and cannot be changed after a file is created.
- C. Because the environment variables LANG and LC_MESSAGES are, by default, set according to the time zone.
- D. Because the conversion of Unix timestamps to local time relies on the time zone configuration.
Answer: D
NEW QUESTION 91
An administrator wants to determine the geometry of a particular window in X, so she issues the __________
-metric command and then clicks on the window.
Answer:
Explanation:
/usr/bin/xwininfo, xwininfo
NEW QUESTION 92
In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?
- A. The cron daemon will refuse to start and report missing files in the system's logfile.
- B. Without additional configuration, no users may have user specific crontabs.
- C. Without additional configuration, all users may have user specific crontabs.
- D. When a user creates a user specific crontab the system administrator must approve it explicitly.
Answer: B
NEW QUESTION 93
Which standardized TCP port is used by HTTPS services?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: C
NEW QUESTION 94
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. ktrace
- B. core
- C. quota
- D. edquota
- E. ulimit
Answer: E
NEW QUESTION 95
Which of the following comparison operators for testwork on elements in the file system? (Choose two.)
- A. -eq
- B. -
- C. -f
- D. -z
- E. -lt
Answer: B,C
NEW QUESTION 96
FILL BLANK
What command enables a network interface according to distribution-specific configuration, such as /etc/ network/interfaces or /etc/sysconfig/network-scripts/ifcfg-eth0? (Specify only the command without any path or parameters.)
Answer:
Explanation:
up
NEW QUESTION 97
Which file, if present, must contain all users that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)
Answer:
Explanation:
crontab
NEW QUESTION 98
What is the main difference between the batch and at commands?
- A. The at command e-mails results to the user. The batch command logs results to syslog.
- B. The batch command will run multiple times.The at command will only run once.
- C. The batch command will run when system load is low. The at command runs at a specific time.
- D. The at command reads commands from standard input. The batch command requires a command line argument.
Answer: C
NEW QUESTION 99
To prevent a specific user from scheduling tasks with at, what should the administrator do?
- A. Add the specific user to /etc/at.allow file.
- B. Add the specific user to nojobs group.
- C. Add the specific user to [deny] section in the /etc/atd.conf file.
- D. Add the specific user to /etc/at.deny file.
- E. Run the following: atd --deny [user].
Answer: D
NEW QUESTION 100
Which of the following is true regarding the command sendmail?
- A. With any MTA, the sendmail command must be run periodically by the cron daemon.
- B. When using systemd, sendmail is an alias to relayctl.
- C. All common MTAs, including Postfix and Exim, provide a sendmail command.
- D. The sendmail command prints the MTA's queue history of which mails have been sent successfully.
- E. It is only available when the sendmail MTA is installed.
Answer: C
NEW QUESTION 101
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)
Answer:
Explanation:
lpq, /usr/bin/lpq, lpstat, /usr/bin/lpstat
NEW QUESTION 102
What is the purpose of a screen reader?
- A. It manages virtual keyboards on touch screen displays.
- B. It reads displayed text to accommodate the needs of blind or visually impaired people.
- C. It reads the parameters of the attached monitors and creates an appropriate X11 configuration.
- D. It manages and displays files that contain e-books.
- E. It displays lines and markers to help people use speed reading techniques.
Answer: B
NEW QUESTION 103
Which command should be added to /etc/bash_profile to change the language of messages from an internationalised program to Portuguese (pt)? (Select TWO correct answers)
- A. export ALL_MESSAGES="pt"
- B. export LANGUAGE="pt"
- C. export LC_MESSAGES="pt"
- D. export LANG="pt"
- E. export MESSAGE="pt"
Answer: C,D
NEW QUESTION 104
Which of the following commands display the number of bytes transmitted and received via the eth0 network interface? (Choose two.)
- A. ip -s link show eth0
- B. route -v via eth0
- C. ifconfig eth0
- D. netstat -s -i eth0
- E. ip stats show dev eth0
Answer: C,D
NEW QUESTION 105
Which file contains the date of the last change of a user's password?
- A. /var/log/shadow
- B. /etc/passwd
- C. /etc/pwdlog
- D. /etc/shadow
- E. /etc/gshadow
Answer: D
NEW QUESTION 106
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