Which of the following firewall rules will block destination telnet traffic to any host with the source IP address 1.1.1.2/24?

A. Deny any source host on source port 23 to destination any
B. Deny any source network 1.1.1.0/24 to destination any on port 23
C. Deny source host 1.1.12 on source port 23 to destination any
D. Deny any source network 1.1.1.0/24 with source port 23 to destination any

Answer: B. Deny any source network 1.1.1.0/24 to destination any on port 23

Computer Science & Information Technology

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