What is the main purpose of packet filtering?, Encrypt data, Store files, Allow or block network packets based on rules, Increase internet speed, Which information does a packet filter check?, File contents, Source IP, Destination IP, Port Number, and Protocol, Passwords, Usernames, Packet filtering works by examining the ______ of a packet., Payload only, Application, Header, Encryption key, Which of the following is an advantage of packet filtering?, Detects viruses, Fast packet processing, Inspects packet contents, Prevents all cyber attacks, Which is a disadvantage of packet filtering?, High cost, Slow performance, Cannot inspect packet contents (payload), Uses too much memory, What is the primary function of a firewall?, Increase internet speed, Store network data, Protect the network from unauthorized access, Compress files, Which feature is commonly available in modern firewalls?, Screen recording, Deep Packet Inspection (DPI), File compression, Image editing, Which statement is TRUE about a firewall?, It only checks packet headers., It cannot block attacks., It monitors incoming and outgoing network traffic., It only works offline., Which is more secure?, Packet Filter, Antivirus, Router, Firewall, A packet arrives from a trusted IP address, but it contains malicious data in its payload. What is a basic packet filter most likely to do?, Block the packet because it contains malware., Encrypt the packet before forwarding it., Allow the packet if its header matches the filtering rules., Scan the payload and remove the malicious content.

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