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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?
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?
2.
What option in the client configuration file would tell OpenVPN to use a dynamic source port when making a connection to a peer?
3.
The content of which local file has to be transmitted to a remote SSH server in order to be able to log into the remote server using SSH keys?
4.
With fail2ban, what is a 'jail'?
5.
Which of the following Samba configuration parameters is functionally identical to the parameter read only=yes?
6.
Which of the following Samba services handles the membership of a file server in an Active Directory domain?
7.
Which of the following statements is true regarding the NFSv4 pseudo file system on the NFS server?
8.
Which command is used to configure which file systems a NFS server makes available to clients?
9.
Which of these tools, without any options, provides the most information when performing DNS queries?
10.
Performing a DNS lookup with dig results in this answer: