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H12-711_V4.0 · Question #193

Use iptables to write a rule that does not allow the network segment 172.16.0.0/16 to access the device. Which of the following rules is written correctly?

The correct answer is A. iptables -t fiter -A INPUT -s 172.16.0.0/16 -p all -j DROP. See the full explanation below for the reasoning.

Question

Use iptables to write a rule that does not allow the network segment 172.16.0.0/16 to access the device. Which of the following rules is written correctly?

Options

  • Aiptables -t fiter -A INPUT -s 172.16.0.0/16 -p all -j DROP
  • Biptables -t fiter -P INPUT -s 172.16.0.0/16 -p all -j DROP
  • Ciptables -t fiter -P INPUT -s 172.16.0.0/16 -p all -j-ACCEPT
  • Diptables -t fiter -P INPUT -d 172.16.0.0/16 -p all -j-ACCEPT

How the community answered

(29 responses)
  • A
    83% (24)
  • B
    3% (1)
  • C
    3% (1)
  • D
    10% (3)

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