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Which of these is a port scan countermeasure:
Stateful inspection firewalls
All of these
Proper security architecture
NIPS
"all of these" answers don't really test knowledge. Obvious answer <-- Since when does an IDS do anything near counteracting a port scan? By itself, it can't do anything other than detect a scan is taking place, that's the whole point of IDS. For this answer to be correct, I suggest changing NIDS to NIPS.
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