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Linux Foundation LFCA Exam - Topic 5 Question 41 Discussion

Actual exam question for Linux Foundation's LFCA exam
Question #: 41
Topic #: 5
[All LFCA Questions]

Encryption that uses both a private key and public key is known as what?

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Suggested Answer: C

by Fernanda at Apr 08, 2025, 04:50 PM

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Jeff
3 months ago
C makes the most sense, but I can see why some might be confused.
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Sherman
3 months ago
Totally agree, C is the right answer!
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Shayne
4 months ago
Wait, isn't it A? I thought symmetric was the key pair one.
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Joaquin
4 months ago
I had no idea it was called that! Surprised to learn something new!
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Adaline
4 months ago
It's definitely C, Public Key Cryptography!
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Laura
4 months ago
I vaguely recall something about dual-phased hybrid encryption, but it seems less common than the other options.
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Lenna
4 months ago
I feel like HMAC was more about message integrity, not really about the keys themselves.
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Laquanda
5 months ago
I remember studying something about key pairs, but I thought that was more related to symmetric cryptography.
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Fausto
5 months ago
I think it's called Public Key Cryptography, but I’m not entirely sure if that’s the same as asymmetric cryptography.
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Genevive
5 months ago
I'm not too familiar with the specific terms used in this question. I'll have to guess and hope I get it right. Maybe I can eliminate a couple of the options that don't sound right.
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Aileen
5 months ago
Ah, I remember learning about this in class. Public key cryptography uses a pair of keys - a public key for encryption and a private key for decryption. Option C is the correct answer.
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Chan
5 months ago
Hmm, I'm a bit confused on the difference between symmetric and asymmetric cryptography. I'll have to think this through carefully before selecting an answer.
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Ming
5 months ago
I'm pretty sure this is asking about public key cryptography, where you have a public key for encryption and a private key for decryption. I'll go with option C.
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Devora
10 months ago
I bet the answer is C. Public Key Cryptography. I mean, who even uses DPE these days? Sounds like a made-up term to me.
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Maryann
10 months ago
This is a piece of cake! It's definitely C. Public Key Cryptography. I could do this in my sleep.
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Rosio
9 months ago
I'm confident it's C. Public Key Cryptography.
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Johnetta
9 months ago
I think you're right, it's C. Public Key Cryptography.
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Annice
9 months ago
I agree, it's definitely C. Public Key Cryptography.
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Lynna
10 months ago
Hmm, I'm torn between B and C. But I'll go with C. Public Key Cryptography, it just makes more sense.
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Taryn
10 months ago
C. Public Key Cryptography (asymmetric cryptography) is the answer. I remember learning about this in my security class.
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Tonja
9 months ago
I remember learning about this in my security class too.
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Leeann
9 months ago
Yes, you're right. It involves using both a private key and a public key.
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Chauncey
9 months ago
I think the answer is C. Public Key Cryptography (asymmetric cryptography)
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Ronnie
11 months ago
I'm going with D. DPE (dual-phased hybrid encryption). It has both public and private keys, so it's gotta be that one.
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Vi
9 months ago
I agree with you, DPE (dual-phased hybrid encryption) sounds like the right choice.
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Truman
9 months ago
I'm not sure, but I'll go with A. Key Pair Encryption (symmetric cryptography).
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Steffanie
10 months ago
I think it's C. Public Key Cryptography (asymmetric cryptography).
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Desirae
11 months ago
I think it's C. Public Key Cryptography (asymmetric cryptography). Sounds like the right description to me.
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Elizabeth
9 months ago
Yes, C) Public Key Cryptography is the encryption that uses both a private key and public key.
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German
10 months ago
I'm not sure, but C) Public Key Cryptography sounds right to me.
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Annmarie
10 months ago
I think it's C too. Public Key Cryptography makes sense.
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Arlie
10 months ago
I agree, C) Public Key Cryptography (asymmetric cryptography) is the correct answer.
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Eliz
10 months ago
Yes, that's right. It involves using both a public key and a private key for encryption.
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Amber
11 months ago
I agree, C. Public Key Cryptography (asymmetric cryptography) is the correct answer.
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Cecily
11 months ago
I'm not sure, but I think it's either A) Key Pair Encryption or C) Public Key Cryptography.
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Elza
11 months ago
I agree with Bev, because public key cryptography uses both a private key and public key for encryption.
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Bev
11 months ago
I think the answer is C) Public Key Cryptography.
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