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2021 Apr LX0-104 exam answers
Q61. - (Topic 3)
Which commands can be used to change a user's account aging information? (Choose THREE correct answers.)
A. usermod
B. passwd
C. chattr
D. chage
E. chsh
Answer: A,B,D
Q62. - (Topic 6)
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
Q63. - (Topic 4)
Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)
A. --from=
B. --since=
C. --until=
D. --upto=
E. --date=
Answer: B,C
Q64. - (Topic 4)
Which of the following commands is used to rotate, compress, and mail system logs?
A. rotatelog
B. striplog
C. syslogd --rotate
D. logrotate
E. logger
Answer: D
Q65. - (Topic 5)
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
Renovate LX0-104 exams:
Q66. CORRECT TEXT - (Topic 2)
What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)
Answer: xdm
Q67. - (Topic 5)
On a regular users workstation the route command takes a long time before printing out the routing table. Which of the following errors does that indicate?
A. The local routing information may be corrupted and must be re-validated using a routing protocol.
B. One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.
C. There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.
D. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.
Answer: D
Q68. - (Topic 4)
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 multi-user mailing list manager.
C. It is a proprietary tool contained only in the qmail MTA.
D. It queries the mail queue of the local MTA.
E. It is a command-line based tool for reading and writing emails.
Answer: D
Q69. - (Topic 5)
Given the following routing table:
How would an outgoing packet to the destination 192.168.2.150 be handled?
A. It would be passed to the default router 192.168.178.1 on wlan0.
B. It would be directly transmitted on the device eth0.
C. It would be passed to the default router 255.255.255.0 on eth0.
D. It would be directly transmitted on the device wlan0.
E. It would be passed to the router 192.168.1.1 on eth0.
Answer: E
Q70. - (Topic 5)
What is true regarding TCP port 23?
A. Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.
B. Port 23 is the well known port for the SSH service which provides secure logins.
C. Port 23 is the well known port for the rlogin service which is SSL secured by default.
D. Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.
Answer: A