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Eccouncil Exam ICS-SCADA Topic 4 Question 29 Discussion

Actual exam question for Eccouncil's ICS-SCADA exam
Question #: 29
Topic #: 4
[All ICS-SCADA Questions]

Which of the following names represents inbound filtering?

Show Suggested Answer Hide Answer
Suggested Answer: D

Ingress filtering is a method used in network security to ensure that incoming packets are allowed or blocked based on a set of security rules.

This type of filtering is often implemented at the boundaries of networks to prevent unwanted or harmful traffic from entering a more secure internal network.

The term 'ingress' refers to traffic that is entering a network boundary, whereas 'egress' refers to traffic exiting a network.

Reference

Cisco Networking Academy Program: Network Security.

'Understanding Ingress and Egress Filtering,' Network Security Guidelines, TechNet.


by Daniel at May 04, 2025, 01:08 PM

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Laticia
2 days ago
I believe A) Funnel is not the right answer, as it doesn't specifically relate to inbound filtering.
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Cornell
12 days ago
I'm not sure, but I think C) Egress is for outgoing traffic.
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Tricia
16 days ago
Sanity? That's just asking for trouble. I'm pretty sure the correct answer involves something more technical-sounding, like Ingress.
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Mabel
1 months ago
Ingress is the way to go. Unless you're trying to be fancy and call it 'the great filter of doom', in which case I guess Funnel would work too.
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Gregoria
10 days ago
I agree, Ingress is the most common term for inbound filtering.
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Felix
16 days ago
Ingress is definitely the way to go.
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Misty
1 months ago
I agree with Lizbeth, because inbound filtering is about controlling incoming traffic.
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Ruth
1 months ago
Egress? Really? That sounds more like outbound filtering to me. I'm going with Ingress on this one.
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Glenn
6 days ago
Yeah, Egress definitely sounds like outbound filtering. Ingress is the way to go for inbound filtering.
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Lashanda
19 days ago
I think Ingress is the correct answer for inbound filtering.
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Rodolfo
1 months ago
I agree, Egress does sound more like outbound filtering. I'm also going with Ingress.
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Lizbeth
1 months ago
I think the answer is D) Ingress.
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Edelmira
2 months ago
Ingress, for sure. The name just screams 'incoming traffic control' to me. Easy peasy.
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Omer
13 days ago
Sanity and Egress don't really give off the same vibe as Ingress for inbound filtering.
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Joesph
24 days ago
I think Funnel could also work for inbound filtering, like filtering out unwanted traffic.
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Desmond
1 months ago
I agree, Ingress definitely sounds like it's for incoming traffic.
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Shawn
2 months ago
Hmm, I'm pretty sure inbound filtering is represented by 'Ingress'. That's the one that sounds the most like it's filtering stuff coming in, you know?
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