Lpi 102-500 Test Engine Practice Test Questions, Exam Dumps
100% Free 102-500 Daily Practice Exam With 195 Questions
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NEW QUESTION 16
Which of the following is the best way to list all defined shell variables?
- A. echo $ENV
- B. set
- C. env
- D. env -a
Answer: B
NEW QUESTION 17
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 after restarting the respective service.
- B. The new configuration becomes effective at the next system reboot.
- C. The new configuration becomes effective when the last established connection to the service is closed.
- D. The new configuration becomes effective after restarting the tcpd service.
- E. The new configuration becomes effective immediately for all new connections.
Answer: E
NEW QUESTION 18
What is true about the file /etc/localtime?
- A. It is either a symlink to or a copy of a timezone information file such as
/usr/share/zoneinfo/Europe/Berlin. - B. It is a plain text file containing a string such as Europe/Berlin
- C. It is a symlink to /sys/device/clock/ltime and always contains the current local time.
- D. After changing this file, newtzconfig has to be run to make the changes effective.
- E. It is created and maintained by the NTP service based on the location of the system's IP address.
Answer: A
NEW QUESTION 19
What is NOT contained in the locale setting of the operating system?
- A. thousands separator
- B. currency symbol
- C. timezone
- D. language
Answer: C
NEW QUESTION 20
FILL BLANK
The presence of what file will temporarily prevent all users except root from logging into a system? (Specify the full name of the file, including path.)
Answer:
Explanation:
/sbin/nologin
NEW QUESTION 21
What does the term Braille Display refer to?
- A. A standard file format for data exchange, similar to XML.
- B. A physical representation of characters using small dots.
- C. A legacy display technology superseded by LCD.
- D. A standardized high contract graphical theme for desktop applications?
- E. A Linux desktop environment similar to KDE and GNOME.
Answer: B
NEW QUESTION 22
Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?
- A. export MESSAGE="pt"
- B. export UI_MESSAGES="pt"
- C. export LANGUAGE="pt"
- D. export LC_MESSAGES="pt"
- E. export ALL_MESSAGES="pt"
Answer: D
NEW QUESTION 23
What is the purpose of the Sticky Keys feature in X?
- A. To assist users who have difficulty holding down multiple keys at once
- B. To ignore brief keystrokes according to a specified time limit
- C. To repeat the input of a single character
- D. To prevent repeated input of a single character if the key is held down
Answer: A
NEW QUESTION 24
Given the following excerpt of the sudo configuration:
jane ANY=NOPASSWD: /bin/kill, /bin/id, PASSWD: /sbin/fdisk
Which of the following statements are true? (Choose three.)
- A. Jane can run /bin/kill without specifying a password.
- B. Jane can run /bin/id only after specifying her password.
- C. Jane can run /sbin/fdisk after specifying root's password.
- D. Jane can run /sbin/fdisk after specifying her password.
- E. Jane can run /bin/id without specifying her password.
Answer: A,D,E
NEW QUESTION 25
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)
Answer:
Explanation:
https://lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s4/etc/hosts.allow
NEW QUESTION 26
Which of the following commands puts the output of the command date into the shell variable mydate?
- A. mydate="$((date))"
- B. mydate="date"
- C. mydate="$(date)"
- D. mydate="exec date"
- E. mydate="${date}"
Answer: C
NEW QUESTION 27
Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing?
(Choose three.)
- A. 10.0.0.0/8
- B. 127.0.0.0/8
- C. 172.16.0.0/12
- D. 192.168.0.0/16
- E. 169.255.0.0/16
Answer: A,C,D
NEW QUESTION 28
Which of the following are syslog facilities? (Choose two.)
- A. local5
- B. postmaster
- C. accounting
- D. remote
- E. mail
Answer: A,E
NEW QUESTION 29
Which of the following configuration files should be modified to globally set shell variables for all users?
- A. /etc/profile
- B. /etc/bashrc
- C. /etc/.bashrc
- D. ~/.bash_profil
- E. /etc/shellenv
Answer: A
NEW QUESTION 30
Which of the following SQL statements will select the fields name and address from the contacts table?
- A. SELECT (name address) FROM contacts;
- B. SELECT name address FROM contacts;
- C. SELECT name, address FROM contacts;
- D. SELECT (name, address) FROM contacts;
Answer: C
NEW QUESTION 31
How does the ping command work by default?
- A. Is sends an ICMP Echo Request to a remote host and waits to receive an ICMP Echo Response in return.
- B. It sends a TCP SYN packet to a remote host and waits to receive an TCP ACK response in return.
- C. Is sends a broadcast packet to all hosts on the net and waits to receive, among others, a response from the target system.
- D. It sends an ARP request to a remote host and waits to receive an ARP response in return.
- E. It sends a UDP packet to port 0 of the remote host and waits to receive a UDP error response in return.
Answer: A
NEW QUESTION 32
FILL BLANK
Which parameter of the ssh command specifies the location of the private key used for login attempts?
(Specify only the option name without any values or parameters.)
Answer:
Explanation:
ssh-keygen
NEW QUESTION 33
Which of the following commands is used to rotate, compress, and mail system logs?
- A. rotatelog
- B. striplog
- C. logrotate
- D. logger
- E. syslogd --rotate
Answer: C
NEW QUESTION 34
Which of the following find commands will print out a list of files owned by root and with the SUID bit set in
/usr?
- A. find -type suid -username root -d /usr
- B. find /usr -ls \*s\* -u root
- C. find -user root +mode +s /usr
- D. find /usr -uid 0 -perm +4000
- E. find /usr -suid -perm +4000
Answer: D
NEW QUESTION 35
What is the purpose of the command mailq?
- A. It fetches new emails from a remote server using POP3 or IMAP.
- B. It is a proprietary tool contained only in the qmail MTA.
- C. It queries the mail queue of the local MTA.
- D. It is a multi-user mailing list manager.
- E. It is a command-line based tool for reading and writing emails.
Answer: C
NEW QUESTION 36
Why is /etc/shadow not world readable if the passwords are stored in an encrypted fashion?
- A. This is just for historical reasons.
- B. There is other information in the file that needs to be kept secret.
- C. The encrypted passwords are still subject to brute force attacks.
- D. The passwords can be decrypted by anyone with root access.
Answer: C
NEW QUESTION 37
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
- A. It would be directly transmitted on the device eth0.
- B. It would be passed to the default router 192.168.178.1 on wlan0.
- C. It would be passed to the default router 255.255.255.0 on eth0.
- D. It would be passed to the router 192.168.1.1 on eth0.
- E. It would be directly transmitted on the device wlan0.
Answer: D
NEW QUESTION 38
What output does the command seq 1 5 20 produce?
- A. 15
15 - B. 16
11
16 - C. 5
15
20 - D. 0
- E. 123
4
Answer: B
NEW QUESTION 39
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 40
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Career Track
Naturally, students who qualify for the LPIC-1 certificate choose to remain within the same path as they strive to outmatch their competitors or carve out a niche for themselves. Sometimes they want to stay along the same path by focusing on intermediate-level certificates. At times, they wish to scale new heights by diversifying their skills through other fields. One of the best options then is the LPIC-2 or Linux Engineer that dives into the Linux kernel, capacity planning, and boot loaders at an advanced level. Another great option for forward-thinking IT geeks looking to advance is the LPIC-3, commonly referred to as the Linux Enterprise Mixed Environment certification. But this doesn't mean that you will be short of options if you choose to focus on completely different training paths from other reputable vendors such as Oracle or Red Hat.
In-depth Look at Test Objectives
Here's what every test objective entails in detail:
Shells and Shell Scripting
Under shells and shell scripting, candidates should be able to:
- Work with skeleton areas for the accounts of different users;
- Use the appropriate directory for commanding the search and transform the commands by various changes;
- Put down functions for Bash for the commands that are often made use of;
- Set environments for variables by utilizing a new shell;
- Deal with and write simple scripts;
- Incorporating the script interpreter via the shebang;
- Taking advantage of sh syntax like loops & tests;
- Customize and use the environment for shells;
- Provide conditional mailing features.
- Change user as well as global profiles;
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