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CertNexus CFR-410 Exam - Topic 4 Question 70 Discussion

A web server is under a denial of service (DoS) attack. The administrator reviews logs and creates an access control list (ACL) to stop the attack. Which of the following technologies could perform these steps automatically in the future?
B) Intrusion detection system (IDS)
A) Intrusion prevention system (IPS)
C) Blacklisting
D) Whitelisting

CertNexus CFR-410 Exam - Topic 4 Question 70 Discussion

Actual exam question for CertNexus's CFR-410 exam
Question #: 70
Topic #: 4
[All CFR-410 Questions]

A web server is under a denial of service (DoS) attack. The administrator reviews logs and creates an access control list (ACL) to stop the attack. Which of the following technologies could perform these steps automatically in the future?

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Suggested Answer: B

by Vinnie at Apr 11, 2026, 10:26 AM

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Nadine
1 month ago
IPS is definitely the way to go for future attacks.
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Dexter
1 month ago
Whitelisting is too strict for dynamic environments.
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Joanna
1 month ago
Blacklisting could work, but it’s reactive, not proactive.
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Jacquelyne
2 months ago
IDS is good, but it only detects, not blocks.
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Lera
2 months ago
I agree, IPS sounds effective for real-time prevention.
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Kara
2 months ago
I think an IPS is the best choice. It can block attacks automatically.
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Tora
2 months ago
Wait, can an IPS really handle all that automatically? Sounds too good to be true!
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Iraida
2 months ago
Whitelisting seems too restrictive for dynamic environments.
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Wilson
2 months ago
Blacklisting is a solid choice for stopping known threats.
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Charlie
3 months ago
I think an IDS is more about detection, not prevention.
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Maile
3 months ago
Definitely an IPS can automate that!
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Shawna
3 months ago
Yeah, IPS is the way to go for this kind of issue!
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Tommy
3 months ago
Wait, can whitelisting really help with DoS attacks?
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Lilli
3 months ago
Blacklisting seems like a solid choice too.
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Elinore
5 months ago
I think an IDS is more about detection, not prevention.
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Onita
5 months ago
Definitely an IPS can automate that!
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Tess
6 months ago
Whitelisting seems too restrictive for this situation, but I guess it could help if we know which IPs are safe.
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Darnell
6 months ago
Blacklisting sounds familiar for stopping specific IPs, but I wonder if it would be effective against a large-scale DoS attack.
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Dottie
6 months ago
I remember practicing a question about IDS and IPS, but I can't recall if IDS can actually stop attacks or just detect them.
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Domitila
6 months ago
I think an IPS would be the right choice since it can actively block attacks, but I'm not entirely sure if it can create ACLs automatically.
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