Home » CompTIA » N10-006 » Which of the following devices?
Stateful packet inspection is a security technology used by which of the following devices?
A. Unmanaged switch
B. Hardware firewall
C. Bridge
D. IDS
Answer: B
Explanation:
With Stateful Packet Inspection (SPI), every time a packet is sent out of the computer, the firewall keeps track of it. When a packet comes back to the firewall, the firewall can tell whether or not the in-bound packet is a reply to the packet that was sent out.This way, the firewall can handle most network traffic safely without a complex configuration of firewall rules.
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