[Solved] Which of the following is not a disadvantage of firewalls that act as packet filters? A)Packet-filtering routers often are the first layer of network defense. B)An administrator might miss some important rules,which would leave a hole in the firewall. C)Because the content of a packet is irrelevant to a packet filter,once a packet is let through the firewall,the inside network is open to data-driven attacks. D)An administrator might incorrectly specify a rule creating a vulnerability. Disruption: An interruption or disturbance that significantly alters the expected flow or function of a system, process, or activity, often leading to change or instability. Air Traffic System: A complex network that controls and manages the safe and orderly flow of aircraft in the sky and on the ground. Cyberdeviance: Deviant behaviors or activities conducted through the internet or digital platforms, including cyberbullying and cyberstalking. Child Pornography: Illegal material that visually depicts minors in explicit sexual activities.