Which security technology is used to passively monitor network traffic with the objective of detecting a possible attack?
- IPS
- IDS
- proxy server
- firewall
Explanation: An IDS system is implemented to passively monitor the traffic on a network. Both anIPSand a firewall actively monitor network traffic and take immediate actions when previously defined security criteria match. A proxy server, when it functions as a firewall, also actively monitors the traffic that travels through it and takes immediate actions.
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