[Apr-2023] 102-500 Exam Questions and Valid 102-500 Dumps PDF
102-500 Brain Dump: A Study Guide with Tips & Tricks for passing Exam
Essential System Services
This topic addresses the following:
- Solve printing issues and delete jobs from the printing queues.
- Be aware of syslog and syslog-ng;
- Deal with the systemd journal and filter its data;
- Configure different time zones;
NEW QUESTION 161
What is true regarding the command userdel --force --remove bob? (Choose TWO correct answers.)
- A. The user bob is removed from the system's user database.
- B. All files owned by bob are remove from all mounted filesystems.
- C. The user bob's home directory is removed.
- D. In case bob was the last member of a group, that group is deleted.
- E. The locate database is updated to drop files owned by bob.
Answer: A,C
NEW QUESTION 162
Which configuration file would be edited to change the default options for outbound SSH sessions?
- A. /etc/ssh/ssh_config
- B. /etc/ssh/ssh_client
- C. /etc/ssh/sshd_config
- D. /etc/ssh/ssh
- E. /etc/ssh/client
Answer: A
NEW QUESTION 163
Which of the following options in the chrony configuration file define remote time sources? (Choose two.)
- A. pool
- B. remote
- C. server
- D. clock
- E. source
Answer: A,C
NEW QUESTION 164
Which of the following commands can deconfigure a network interface?
- A. ifconfig
- B. net
- C. netdown
- D. ipdown
Answer: A
NEW QUESTION 165
When an Apache server is configured to provide 10 spare server processes, which kind of website would it typically serve?
- A. A high volume web site
- B. A low-to-moderate volume website
- C. A website for no more than 10 users
- D. A one-user volume website
Answer: B
NEW QUESTION 166
The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?
- A. It is placed between a line containing Section "SectionName" and a line containing EndSection.
- B. It is placed after an initial unindented Section "SectionName" and must be indented by exactly one tab character.
- C. It is placed between the tags <Section name="SectionName"> and </Section>
- D. It is placed after the row [SectionName].
- E. It is placed in curly brackets as in Section SectionName { ... }.
Answer: A
NEW QUESTION 167
What is true regarding public and private SSH keys? (Choose two.)
- A. For each user account, there is exactly one key pair that can be used to log into that account.
- B. Several different public keys may be generated for the same private key.
- C. The private key must never be revealed to anyone.
- D. To allow remote logins, the user's private key must be copied to the remote server.
- E. To maintain the private key's confidentiality, the SSH key pair must be created by its owner.
Answer: C,E
Explanation:
Explanation/Reference:
NEW QUESTION 168
Which THREE statements about crontab are true?
- A. A cron daemon must run for each existing crontab.
- B. Changing a crontab requires a reload/restart of the cron deamon.
- C. The cron daemon reloads crontab files automatically when necessary.
- D. Every user may have their own crontab.
- E. hourly is the same as "0 * * * *".
Answer: C,D,E
NEW QUESTION 169
FILL BLANK
What is the top-level directory which contains the configuration files for CUPS? (Specify the full path to the directory.)
Answer:
Explanation:
/etc/cups/ cups-files.conf
NEW QUESTION 170
Which file used by XDM specifies the default wallpaper?
- A. /etc/X11/xdm/Xsetup
- B. /etc/X11/defaults.conf
- C. /etc/X11/xdm/Defaults
- D. /etc/X11/xdm.conf
Answer: A
NEW QUESTION 171
Which of the following can the chage command NOT change?
- A. The number of days of inactivity after a password has expired before the account is locked.
- B. The number of days since January 1, 1970 after which the user's account will no longer be accessible.
- C. The number of days since January 1, 1970 after which the password can change.
- D. The maximum number of days during which a password is valid.
- E. The number of days since January 1, 1970 since the password was last changed.
Answer: C
NEW QUESTION 172
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 173
What entry can you add to syslog.conf file to have all syslog messages generated by your system go to virtual console 12?
- A. syslog tty12
- B. | /dev/tty12
- C. /var/log/messages | /dev/tty12
- D. mail.* /dev/tty12
- E. *.* /dev/tty12
Answer: E
NEW QUESTION 174
You found these lines in the modules.dep file:
/lib/modules/2.2.5-15smp/fs/msdos.o:
/lib/modules/2.2.5-15smp/fs/fat.o
Which of the following is true?
- A. The fat and msdos modules are automatically loaded at startup.
- B. The fat and msdos modules cannot be loaded manually.
- C. The fat module is a submodule to the msdos module.
- D. The msdos module is dependent upon fat.
Answer: D
NEW QUESTION 175
What output does the command seq 1 5 20produce?
1
- A. 2
3
4
2 - B. 10
15
20 - C. 3
4
5
5 - D. 6
11
16
1 - E. 5
10
15
1
Answer: D
NEW QUESTION 176
Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)
- A. ifconfig
- B. dig
- C. trackroute
- D. route
- E. netstat
Answer: D,E
NEW QUESTION 177
Which of the following sections exists in a systemd timer unit?
- A. [Trigger]
- B. [Timer]
- C. [Schedule]
- D. [Events]
- E. [cron]
Answer: B
NEW QUESTION 178
In the output of iptables -L -n is the line ACCEPT all - - 10.69.70.5 0.0.0.0/0 listed under the INPUT chain.
What does this line mean?
- A. All traffic from 10.69.70.5 to anywhere is allowed
- B. That all traffic from 0.0.0.0/0 to 10.69.70.5 is explicitly allowed
- C. The ACCEPT chain is responsible for all traffic from 10.69.70.1 to 0.0.0.0
- D. TCP traffic to 10.69.70.5 with all of the TCP flags is allowed
Answer: A
NEW QUESTION 179
Which TWO statements about crontab are true?
- A. A cron daemon must run for each existing crontab.
- B. The cron daemon reloads crontab files automatically when necessary.
- C. Changing a crontab requires a reload/restart of the cron daemon.
- D. Every user may have their own crontab.
- E. hourly is the same as "0 * * * *".
Answer: B,D
NEW QUESTION 180
Which of the following entries in /etc/syslog.conf writes all mail related events to the file /var/log/ and sends all critical events to the remote server logger.example.com? maillog
- A. mail.*
/var/log/maillog
mail.crit syslog://logger.example.org - B. mail.*
/var/log/maillog
mail,crit @logger.example.org - C. mail
/var/log/maillog
mail.crit @logger.example.org - D. mail.*
/var/log/maillog
mail.crit @logger.example.org - E. mail *
/var/log/maillog
mail crit @logger.example.org
Answer: D
NEW QUESTION 181
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 wlan0.
- B. It would be passed to the default router 192.168.178.1 on wlan0.
- C. It would be passed to the router 192.168.1.1 on eth0.
- D. It would be passed to the default router 255.255.255.0 on eth0.
- E. It would be directly transmitted on the device eth0.
Answer: C
NEW QUESTION 182
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/
NEW QUESTION 183
Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)
- A. 203.0.113.15 www.example.com www
- B. 2003.0.113.15,2001:db8::15 www.example.com www
- C. www.example.com www 203.0.13.15
- D. www.example.com,www 203.0.13.15,2001:db8::15
- E. 2001:db8::15 www.example.com www
Answer: A,E
NEW QUESTION 184
Your senior systems administrator asks you to set up a new machine with Apache listening on port 8088.
Which Apache config file would you edit to change the default port to 8088?
- A. access.conf
- B. inet.conf
- C. httpd.conf
- D. srm.conf
Answer: C
NEW QUESTION 185
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