How is data sent across a network?, It is sent all at once in one giant file., It is broken down into small, manageable chunks called packets., It is sent directly through a physical envelope in the mail., It is converted into a list of administrator rules., In the presentation's "bouncer" analogy, what do the "pockets" of the person represent?, The packet's header information (ID)., The VIP list (firewall rules)., The actual message inside the packet (the payload)., The club's front door., Which of the following is exactly what a basic packet filter checks on an incoming "envelope"?, The Source IP, Destination IP, and Port Number., The actual message written inside the data payload., Hidden viruses and malware attached to the file., The internal structure of the network being shielded., If a packet breaks a rule and the packet filter acts like a "black hole" by throwing it away without telling the sender, which decision did it make?, ACCEPT, REJECT, DROP, ALLOW, What is one of the main limitations (cons) of a basic packet filter?, It requires a highly powerful computer to run effectively., It processes data incredibly slowly., It is very difficult and complicated to set up initially., It is "blind to the inside" and easily fooled by forged return addresses., What makes a "Stateful" firewall different from a basic "Stateless" packet filter?, A stateful firewall acts as a middleman gateway., A stateful firewall remembers previous packets using a "state table" to understand connection context., A stateful firewall treats every single packet independently in isolation., A stateful firewall is completely unaware of the bigger conversation happening., Which type of firewall operates at the application layer, opens the "envelope" to inspect the data payload, and provides total anonymity for internal IP addresses?, A Proxy Firewall, A Stateless Packet Filter, A Basic Bouncer Firewall, A Stateful Packet Filter, When a packet filter checks the "Port Number," what exactly is it looking for?, The return address of the sender., The specific service the packet wants, similar to a room or apartment number., The delivery address of the computer meant to receive the packet., The list of rules created by the network administrator., If a packet breaks a firewall rule and is blocked, but the filter sends an "Access Denied" or "Destination Unreachable" message back to the sender, which action was taken?, ACCEPT, DROP, REJECT, BYPASS, Which of the following is listed as an advantage (Pro) of using a basic packet filter?, It thoroughly inspects the internal data payload of every single packet., It completely hides the internal IP addresses of the network from outsiders., It is incredibly fast, has low resource usage, and is simple to set up., It remembers past traffic and understands the full context of network connections.

Packet Filter

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