Practice Quiz

CompTIA Network+

Category - Security

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Alex, a technician, wishes to be notified if a denial of service attack is being attempted, without any action being taken to keep the attack from happening. What should Alex implement on his network to allow this?
  1. Host Based IPS
  2. Network Based IPS
  3. Host Based IDS
  4. Software Firewall with all ports closed
Explanation
Answer: C - A Host Based IDS would allow Alex, the technician to be notified if a denial of service attack was occurring while not taking action to prevent it.

Key takeaway: By definition an IDS is an Intrusion Detection System, meaning it will detect when intrusions or attacks are occurring, however will not take any actions to prevent them. The Intrusion Prevention Systems or IPSs will do this. The typical use for only having an IDS instead of an IPS is if the person intends to monitor the actions taken on that network connection via some means.
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