LPI LPIC-2 (202) Exam (202-450) - Linux Professional Institute

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Sample 202-450 Exam Questions & Explanations

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Question #1 Verified Q&A
On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no longer forwards IP packets from other hosts. The command: echo 1 > /proc/sys/net/ipv4/ip_forward temporarily resolves this issue.<br />
<br />
Which one of the following options is the best way to ensure this setting is saved across system restarts?
A In /etc/sysconfig/iptables-config add ipv4.ip_forward = 1
B In /etc/rc.local add net.ipv4.ip_forward = 1
C Add echo 1 > /proc/sys/net/ipv4/ip_forward to any user login script
D Add echo 1 > /proc/sys/net/ipv4/ip_forward to the root user login script
E In /etc/sysct1.conf change net.ipv4.ip_forward to 1
Correct Answer: In /etc/sysct1.conf change net.ipv4.ip_forward to 1
Question #2 Verified Q&A
What information can be found in the file specified by the status parameter in an OpenVPN server configuration file? (Choose two.)
A A history of all clients who have connected at some point
B Statistical information regarding the currently running openvpn daemon
C Errors and warnings generated by the openvpn daemon
D A list of currently connected clients
E Routing information
Correct Answer: A list of currently connected clients, Routing information
Question #3 Verified Q&A
Which of the following lines in the sshd configuration file should, if present, be changed in order to increase the security of the server? (Choose two.)
A IgnoreRhosts yes
B Port 22
C Protocol 2, 1
D PermitRootLogin yes
E PermitEmptyPasswords no
Correct Answer: Protocol 2, 1, PermitRootLogin yes
Question #4 Verified Q&A
Which of the following nmap parameters scans a target for open TCP ports? (Choose two.)
A -sS
B -sT
C -sO
D -sU
E -sZ
Correct Answer: -sS, -sT
Question #5 Verified Q&A
Which of the statements below are correct regarding the following commands, which are executed on a Linux router? (Choose two.)
A The rules suppress any automatic configuration through router advertisements or DHCPv6
B ip6tables returns an error for the second command because the affected network is already part of another rule
C Packets with source or destination addresses from fe80::/64 will never occur in the FORWARD chain
D Both ip6tables commands complete without an error message or warning
E The rules disable packet forwarding because network nodes always use addresses from fe80::/64 to identify routers in their routing tables
Correct Answer: The rules suppress any automatic configuration through router advertisements or DHCPv6, Both ip6tables commands complete without an error message or warning

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Our 202-450 (LPI LPIC-2 (202) Exam) practice question bank currently includes 119 verified questions with comprehensive explanations.
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