ISC2 ISSMP Exam - Topic 2 Question 101 Discussion

Actual exam question for ISC2's ISSMP exam

Question #: 101
Topic #: 2

[All ISSMP Questions]

Which of the following terms refers to a mechanism which proves that the sender really sent a particular message?

ANon-repudiation

BConfidentiality

CAuthentication

DIntegrity

Show Suggested Answer

Suggested Answer: A

by Ranee at Jul 03, 2025, 05:58 PM

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Wilson

4 months ago

Wait, are we sure about A? Sounds too simple.

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Merri

4 months ago

I thought it was C, authentication.

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Jovita

4 months ago

It's definitely A, non-repudiation!

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Carolann

4 months ago

A is correct, but I can see why people mix it up!

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Helene

4 months ago

Non-repudiation is the right term, no doubt!

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Maddie

5 months ago

I keep mixing up integrity and non-repudiation. I hope I remember the right one when I choose!

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Juliann

5 months ago

I feel like confidentiality is about keeping messages secret, not proving who sent them. So that can't be it.

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Leonardo

5 months ago

I remember discussing authentication in class, but I don't think that's the right term for proving the sender sent a message.

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Emile

5 months ago

I think the answer might be non-repudiation, but I'm not entirely sure. It sounds familiar from our last practice session.

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Marge

5 months ago

The key here is proving the origin of the message, so I'm going with non-repudiation as the answer.

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Brynn

6 months ago

I'm a bit confused on the differences between the options here. I'll need to review my notes to make sure I understand the concepts.

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Brett

6 months ago

Non-repudiation sounds right to me. That's the mechanism that ensures the sender can't deny sending the message later on.

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Dannette

6 months ago

Hmm, I'm not totally sure about this one. I'll have to think it through carefully before answering.

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Meghann

6 months ago

This one seems straightforward - I think the answer is non-repudiation, which proves the sender really sent the message.

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Verlene

8 months ago

Non-repudiation? Isn't that what happens when you forget to renew your driver's license?

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Latrice

7 months ago

D) Integrity

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Cristy

7 months ago

C) Authentication

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Marguerita

7 months ago

A) Non-repudiation

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Dean

8 months ago

I see your point, James. So, the answer is indeed C) Authentication.

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Avery

8 months ago

Non-repudiation? Really? Sounds like a made-up term. Are you sure this isn't a trick question?

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Berry

7 months ago

C) Authentication

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Raymon

7 months ago

A) Non-repudiation

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Brande

8 months ago

I was a bit confused at first, but now I understand. Non-repudiation is the way to go.

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James

8 months ago

That's true, but I think authentication specifically refers to proving the sender's identity.

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Sherita

8 months ago

I agree with Leeann. Non-repudiation is the correct term for this mechanism.

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Stevie

8 months ago

Yes, Non-repudiation is essential for ensuring the authenticity of a message.

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Alise

8 months ago

I think you're right, Non-repudiation proves the sender really sent the message.

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Elise

8 months ago

Non-repudiation is definitely the term we're looking for.

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Emily

9 months ago

But what about non-repudiation? Doesn't that also ensure the sender can't deny sending the message?

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Dean

9 months ago

I agree with James, authentication is about proving the sender really sent the message.

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Leeann

9 months ago

Non-repudiation, definitely. It's the only answer that makes sense for proving the sender's identity.

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Nadine

8 months ago

I agree, non-repudiation is essential for verifying the sender of a message.

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Sophia

8 months ago

Non-repudiation is key for proving the sender's identity.

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James

9 months ago

I think the answer is C) Authentication.

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