Download LPIC-2 Exam 202.202-450.VCEplus.2024-08-05.80q.vcex
| Vendor: | LPI |
| Exam Code: | 202-450 |
| Exam Name: | LPIC-2 Exam 202 |
| Date: | Aug 05, 2024 |
| File Size: | 901 KB |
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Demo Questions
Question 1
For what purpose is TCP/IP stack fingerprinting used by nmap?
- It is used to determine the remote operating system.
- It is used to filter out responses from specific servers.
- It is used to identify duplicate responses from the same remote server.
- It is used to masquerade the responses of remote servers.
- It is used to uniquely identify servers on the network for forensics.
Correct answer: A
Explanation:
Reference: https://nmap.org/nmap-fingerprinting-old.html Reference: https://nmap.org/nmap-fingerprinting-old.html
Question 2
To allow X connections to be forwarded from or through an SSH server, what configuration keyword must be set to yes in the sshd configuration file?
- AllowForwarding
- ForwardingAllow
- XllForwardingAllow
- XllForwarding
Correct answer: D
Explanation:
Reference: https://help.ubuntu.com/community/SSH/OpenSSH/Configuring Reference: https://help.ubuntu.com/community/SSH/OpenSSH/Configuring
Question 3
What is the standard port used by OpenVPN?
- 1723
- 4500
- 500
- 1194
Correct answer: D
Explanation:
Reference: https://openvpn.net/archive/openvpn-users/2006-04/msg00355.html Reference: https://openvpn.net/archive/openvpn-users/2006-04/msg00355.html
Question 4
What option in the sshd configuration file instructs sshd to permit only specific user names to log in to a system? (Specify ONLY the option name without any values.)
- sshd_config
Correct answer: 1
Explanation:
Reference: https://www.ssh.com/ssh/sshd_config/ Reference: https://www.ssh.com/ssh/sshd_config/
Question 5
Using its standard configuration, how does fail2ban block offending SSH clients?
- By rejecting connections due to its role as a proxy in front of SSHD.
- By modifying and adjusting the SSHD configuration.
- By creating and maintaining netfilter rules.
- By creating null routes that drop any answer packets sent to the client.
- By modifying and adjusting the TCP Wrapper configuration for SSHD.
Correct answer: B
Explanation:
Reference: https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-7 Reference: https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-fail2ban-on-centos-7
Question 6
Which of the following nmap parameters scans a target for open TCP ports? (Choose two.)
- -sO
- -sZ
- -sT
- -sU
- -sS
Correct answer: CE
Question 7
Which of the statements below are correct regarding the following commands, which are executed on a Linux router? (Choose two.)
- Packets with source or destination addresses from fe80::/64 will never occur in the FORWARD chain
- The rules disable packet forwarding because network nodes always use addresses from fe80::/64 to identify routers in their routing tables
- ip6tables returns an error for the second command because the affected network is already part of another rule
- Both ip6tables commands complete without an error message or warning
- The rules suppress any automatic configuration through router advertisements or DHCPv6
Correct answer: DE
Question 8
What option in the client configuration file would tell OpenVPN to use a dynamic source port when making a connection to a peer?
- src-port
- remote
- source-port
- nobind
- dynamic-bind
Correct answer: D
Question 9
Which Linux user is used by vsftpd to perform file system operations for anonymous FTP users?
- The Linux user which runs the vsftpd process
- The Linux user that owns the root FTP directory served by vsftpd
- The Linux user with the same user name that was used to anonymously log into the FTP server
- The Linux user root, but vsftpd grants access to anonymous users only to globally read-/writeable files
- The Linux user specified in the configuration option ftp_username
Correct answer: E
Question 10
Which of the following sshd configuration should be set to no in order to fully disable password based logins? (Choose two.)
- PAMAuthentication
- ChallengegeResponseAuthentication
- PermitPlaintextLogin
- UsePasswords
- PasswordAuthentication
Correct answer: BE
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