Eccouncil ICS-SCADA Exam - Topic 1 Question 37 Discussion

Actual exam question for Eccouncil's ICS-SCADA exam

Question #: 37
Topic #: 1

[All ICS-SCADA Questions]

Which of the following is required to determine the correct Security Association?

ASPI

BPartner IP address

CProtocol

DAll of these

Show Suggested Answer

Suggested Answer: D

To determine the correct Security Association (SA) in the context of IPsec, several elements are required:

SPI (Security Parameter Index): Uniquely identifies the SA.

Partner IP address: The address of the endpoint with which the SA is established.

Protocol: Specifies the type of security protocol used (e.g., AH or ESP). All these components collectively define and identify a specific SA for secure communication between parties. Reference:

RFC 4301, 'Security Architecture for the Internet Protocol'.

by Fredric at Nov 24, 2025, 01:36 PM

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Kristin

8 hours ago

I think just the SPI is enough, right?

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Margot

6 days ago

Trick question! The correct answer is E) All of the above and a unicorn.

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Mirta

11 days ago

B) Partner IP address is the easiest to remember.

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Merlyn

16 days ago

D) All of these are required to determine the correct Security Association.

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Lashawna

21 days ago

A) SPI is the correct answer.

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Ashlee

26 days ago

I want to say it's D) All of these, but I have a nagging doubt about whether you could get by with just the SPI and IP address.

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Roslyn

1 month ago

I feel like all of these options could be relevant, but I can't recall if the protocol is always necessary.

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Carissa

1 month ago

I remember a practice question that mentioned the partner IP address being crucial for establishing a Security Association.

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Natalya

1 month ago

I think the Security Parameter Index (SPI) is definitely important, but I'm not sure if it's the only thing needed.

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Johna

2 months ago

I'm feeling pretty good about this one. The Security Association is defined by those four elements, so D) is the correct choice.

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Dominque

2 months ago

D) All of these seems like the right answer. The SPI, partner IP address, and protocol are all necessary to uniquely identify a Security Association.

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Jettie

2 months ago

Ugh, I'm not sure about this one. I'll have to review my notes on IPsec and Security Associations before I can confidently answer.

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Altha

2 months ago

I think the answer is D) All of these. You need everything to establish a Security Association.

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Reuben

2 months ago

Definitely need all of these for a proper Security Association.

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Penney

3 months ago

C) Protocol is the most important factor.

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Eladia

3 months ago

Okay, I remember learning about this in class. I think the key is that all of those elements are required to identify the correct Security Association.

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Madalyn

3 months ago

Hmm, this one seems tricky. I'll need to think through the different components of a Security Association to figure this out.

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Marg

2 months ago

I think it’s D) All of these.

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Barbra

3 months ago

It’s a complex puzzle, but all are needed.

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