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________ is a type of asynchronous communication in which a group member can post an entry, an idea, a comment, or a question, and other group members respond to it later, at their convenience.
Packet Filtering
A network security mechanism that controls data flow to and from a network by analyzing incoming and outgoing packets and either allowing or blocking them based on a set of security rules.
Network Address Translation
A technology used in networking that modifies network address information in IP packet headers while in transit, enabling the remapping of one IP address space into another.
Packet Sniffer
A tool or software used to monitor and capture data packets as they traverse a network.
Firewall
A network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
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