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Exam LX0-104: CompTIA Linux+
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Exam LX0-104: CompTIA Linux+
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25 Questions

1. Which of the following are builtin chains for the iptables nat table? (Select THREE.)
2. A user is attempting to connect to a remote host via SSH and following message is displayed: Host key verification failed. Which of the following options could resolve the problem? (Select TWO correct answers)
3. If you want to print a listing of your computer's mail queues, what command would you use?
4. In which of the following scenarios MUST an administrator use ethernet bridging instead of routing when configuring an OpenVPN site? (Select TWO correct answers)
5. To avoid having to add a machine trust account to a PDC for each Windows client in the domain (using the useradd command), a directive can be used in the Samba configuration file. Select the option below that shows the best solution for this situation.
6. Which of the following lines would an administrator find in the file /etc/nsswitch.conf?
7. The command 'nmap sS O 10.142.232.10' produces the following output: PORT STATE SERVICE 631/tcp open ipp 3306/tcp open mysql Which of these statements are true? (Select TWO correct answers)
8. After modifying the indexes for a database in slapd.conf - and running slapindex - the slapd daemon refuses to start when its init script is called. What is the most likely cause of this?
9. A. administrator discovers a pending job for the at command. Which of the following does the administrator need to use to remove it?
10. The system administrator wishes to use John the Ripper to confirm that the passwords in a file called passwords are not weak. john has finished but the terminal window running the program has closed. What command can be used to list any cracked passwords for this file?
11. Which of the following are tasks handled by a display manager like XDM or KDM? (Select TWO.)
12. Which of the following statements are advantages that Mandatory Access Control has over Discretionary? Access Control models? (Select TWO correct answers)
13. It's important to issue the Start TLS operation at the beginning of a session: ____.
14. Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?
15. Which of the following files assigns a user to its primary group?
16. Which of the following is pool.ntp.org?
17. Which of the following commands allows an administrator to make a shell variable visible to subshells?
18. Why is the correct configuration of a system's time zone important?
19. Which of the following is NOT and valid scan technique with nmap?
20. Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.) Answer: mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp, Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Select THREE.)"
21. Which of the following programs uses the hosts.allow file to perform its main task of checking for access control restrictions to system services?
22. Which of the following commands connects to the remote host example.com which has OpenSSH listening on TCP port 2222?
23. Which of the following are valid Nagios objects? (Select THREE.)
24. You wish to revoke write access for all groups and named users on a file. Which command will make the correct ACL changes?
25. Which of the following are common Net::LDAP methods? (Select THREE.)

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