Questions

1. Which of the following statements is true?
   1. iptables is the easiest firewall system to work with.
   2. With iptables, any rule that you create applies to both IPv4 and IPv6.
   3. With iptables, you have to create IPv6 rules separately from IPv4 rules.
   4. With nftables, you have to create IPv6 rules separately from IPv4 rules.
2. What is the official name of the Linux firewall?
   1. iptables
   2. ufw
   3. Nftables
   4. netfilter
3. Which of the following statements about nftables is false?
   1. With nftables, rules are added atomically.
   2. With nftables, a table refers to a particular protocol family.
   3. With nftables, ports and their associated rules are bundled into zones.
   4. With nftables, you can write scripts in either normal Bash shell scripting, or with the scripting engine that’s built into nftables.
4. Which iptables command...