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New LPI 102-400 Exam Dumps Collection (Question 3 - Question 12)

Q3. What is the purpose of the nsswitch.conf file?

A. It is used to configure where the C library looks for system information such as host names and user passwords.

B. It is used to configure network protocol port numbers such as for HTTP or SMTP.

C. It is used to configure LDAP authentication services for the local system.

D. It is used to configure which network services will be turned on during the next system boot.

Answer: A

Q4. Which of the following details is NOT provided in any output from the netstat utility?

A. broadcast services

B. interface statistics

C. masquerading connections

D. network connections

E. routing tables

Answer: A

Q5. Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?

A. *

B. -

C. s

D. x

Answer: D

Q6. CORRECT TEXTWhich command can be used to investigate the properties for a particular window in X by clicking that window? (Specify ONLY the command without any path or parameters.)

Answer: /usr/bin/xwininfo, xwininfo

Q7. Which of the following may occur as a consequence of using the command ifconfig? (Choose THREE correct answers.)

A. New name servers may be added to the resolver configuration.

B. Network interfaces may become active or inactive.

C. The routing table may change.

D. IP addresses may change.

E. The system's host name may change.

Answer: B,C,D

Q8. What is true regarding the command sendmail?

A. With any MTA, the sendmail command must be run periodically by the cron daemon.

B. All MTAs, including Postfix and Exim, provide a sendmail command.

C. The sendmail command prints the MTAs queue history of which mails have been sent successfully.

D. It is only available when the sendmail MTA is installed.

Answer: B

Q9. CORRECT TEXTIn which file, if present, must all users be listed that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)

Answer: /etc/cron.allow

Q10. What is a purpose of an SSH host key?

A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.

B. It provides the server's identity information to connecting SSH clients.

C. It is the root key by which all user SSH keys must be signed.

D. It authenticates any user that logs into a remote machine from the key's host.

E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

Answer: B

Q11. CORRECT TEXTAfter adding a new email alias to the configuration, which command must be run in order to ensure the MTA knows about it? (Specify the command without any path but including all required parameters.)

Answer: newaliases, sendmail -bi

Q12. CORRECT TEXTWhich directory holds the files that configure the xinetd service when using several configuration files instead of an integrated configuration file? (Specify the full path to the directory.)

Answer: /etc/xinetd.d/, /etc/xinetd.d

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