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Which of the following cryptographic system services proves a user's identity?
Suggested Answer: C
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34 comments · newest first
CA
Cathrine
11 months ago
Yeah, D for sure! Authentication is what verifies who you are.
JA
Jame
11 months ago
Wait, are we sure it's not A? Confidentiality seems important too.
CA
Caitlin
11 months ago
D is the right answer, authentication is all about identity.
JE
Jennifer
12 months ago
I thought it was B, non-repudiation sounds like it could work too.
KA
Kathrine
12 months ago
Definitely D, authentication is key for proving identity!
MA
Marsha
1 year ago
I’m a bit confused between Authentication and Non-repudiation. I know they’re both important, but I can’t recall which one specifically proves identity.
LE
Leota
1 year ago
I feel like I've seen a question like this before, and I think Authentication was the right choice. It just makes sense for proving who someone is.
AP
Apolonia
1 year ago
I remember studying non-repudiation, but I don't think it directly proves identity. It’s more about ensuring someone can’t deny their actions.
DO
Doyle
1 year ago
I think the answer might be D, Authentication, since it relates to proving identity, but I'm not completely sure.
PA
Paola
1 year ago
I'm a little confused by this question. The options seem to be describing different cryptographic services, but I'm not sure which one is specifically about proving identity. I'll have to review my notes on this topic before answering.
DO
Dorothy
1 year ago
Authentication, that's the one! Proving a user's identity is the key purpose of authentication in a cryptographic system. I'm confident that's the right answer.
LA
Lavonna
1 year ago
I'm pretty sure this is asking about authentication, which is the process of verifying a user's identity. I'll go with option D.
NE
Nell
1 year ago
Hmm, I'm a bit unsure about this one. I know confidentiality, integrity, and non-repudiation are important cryptographic services, but I can't remember which one specifically deals with identity. I'll have to think this through carefully.
VI
Vicky
1 year ago
Authentication all the way! Gotta keep those hackers at bay, you know? Though I do wonder if they have a secret handshake or something...
BR
Brice
1 year ago
Non-repudiation is also crucial for ensuring accountability in digital transactions.
AN
Anabel
1 year ago
Confidentiality is important too, but authentication is the first line of defense.
SA
Santos
1 year ago
I think authentication is like a digital secret handshake to prove who we are.
MU
Muriel
1 year ago
I agree, authentication is key to keeping our information secure.
LY
Lynette
1 year ago
Easy peasy, it's authentication. Unless, of course, you're trying to hack into my account. In that case, I'll have to call the cyber police!
AJ
Aja
1 year ago
Ooh, authentication definitely sounds like the right answer. Wouldn't want anyone impersonating me, that would be a real nightmare!
GA
Gail
1 year ago
User 3: So, we're all in agreement then. Authentication is the answer.
SH
Sherron
1 year ago
User 2: Yeah, I agree. Non-repudiation is more about not being able to deny actions taken, not proving identity.
OL
Oliva
1 year ago
User 1: I think it's authentication too, it's all about proving who you are.
JE
Jesus
1 year ago
Authentication, for sure. Gotta love those digital signatures, am I right?
AR
Ardella
1 year ago
Definitely, authentication is all about verifying a user's identity with digital signatures.
ST
Stephaine
1 year ago
I agree, digital signatures play a key role in authentication.
SA
Sabrina
1 year ago
Yes, authentication is the correct answer. Digital signatures are essential for proving identity.
DE
Derick
1 year ago
Hmm, this one's tricky. I think it's got to be authentication, since that's all about verifying a user's identity.
DI
Dion
1 year ago
Integrity ensures data is not tampered with, while non-repudiation prevents denial of actions.
LA
Lavelle
1 year ago
Confidentiality is about keeping information private, not proving identity.
KI
Kimberlie
1 year ago
I agree, authentication is the correct answer for proving a user's identity.
BR
Brett
2 years ago
I'm not sure, but I think Non-repudiation also plays a role in proving a user's identity.
LI
Lizbeth
2 years ago
I agree with Roselle, Authentication proves a user's identity.
RO
Roselle
2 years ago
I think the answer is D) Authentication.