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1.
Which of the following information has to be submitted to a certification authority in order to request a web server certificate?
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?
3.
What is the standard port used by OpenVPN?
4.
Using its standard configuration, how does fail2ban block offending SSH clients?
5.
To which destination will a route appear in the Linux routing table after activating IPv6 on a router's network interface, even when no global IPv6 addresses have been assigned to the interface?
6.
Which command is used to administer IPv6 netfilter rules?
7.
Which netfilter table contains built-in chains called INPUT, OUTPUT and FORWARD?
8.
Which of these tools provides DNS information in the following format?
9.
Which of the following DNS record types is used for reverse DNS queries?
10.
What is the purpose of DANE?