QUESTION: 1

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.

Which one of the following options is the best way to ensure this setting is saved across system restarts?

Add echo 1 > /proc/sys/net/ipv4/ip_forward to the root user login script
Add echo 1 > /proc/sys/net/ipv4/ip_forward to any user login script
In /etc/sysct1.conf change net.ipv4.ip_forward to 1
In /etc/rc.local add net.ipv4.ip_forward = 1
In /etc/sysconfig/iptables-config add ipv4.ip_forward = 1

Answer(s): C

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QUESTION: 2

What information can be found in the file specified by the status parameter in an OpenVPN server configuration file? (Choose two.)

Errors and warnings generated by the openvpn daemon
Routing information
Statistical information regarding the currently running openvpn daemon
A list of currently connected clients
A history of all clients who have connected at some point

Answer(s): B,D

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QUESTION: 3

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.)