Stateful packet inspection is a security technology used by which of the following devices?

The correct answer is B. Hardware firewall. 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…

Network security

Question

Options

AUnmanaged switch
BHardware firewall
CBridge
DIDS

How the community answered

(43 responses)

A
7% (3)
B
88% (38)
C
2% (1)
D
2% (1)

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.

Topics

#stateful packet inspection#firewall#network security devices

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