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A Security Association is a __________ way connection?
Correct Answer: A
A Security Association (SA) in the context of IPsec is a one-way logical connection used for secure communication between two endpoints. IPsec requires two SAs to establish a secure, bidirectional communication channel-one for each direction (inbound and outbound). This arrangement ensures that each direction is independently secured, with its own set of security parameters. Reference: RFC 4301, "Security Architecture for the Internet Protocol".
