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PeopleCert DevSecOps Exam - Topic 5 Question 43 Discussion

Which of the following BEST describes a public key cryptography architect?
C) Messages are encrypted into cipher text and then are deciphered upon receipt by using a pair of secure private keys.
A) A person sends a message that is encrypted by using their private key, and the receiver must also use that private key to decipher the message.
B) Messages are encrypted into cipher text and then are deciphered upon receipt by using a pair of public keys.
D) A person sends a message that is encrypted by the use of a public key, and the receiver can decipher the message using their private key.

PeopleCert DevSecOps Exam - Topic 5 Question 43 Discussion

Actual exam question for PeopleCert's DevSecOps exam
Question #: 43
Topic #: 5
[All DevSecOps Questions]

Which of the following BEST describes a public key cryptography architect?

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Suggested Answer: C

by Alberta at Sep 17, 2024, 09:38 AM

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Abel
7 months ago
I thought private keys were only for decryption, not encryption!
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Johnna
8 months ago
B is misleading, it's not just public keys involved.
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Louvenia
8 months ago
Wait, isn't it the other way around? Sounds confusing.
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Layla
8 months ago
Totally agree, D is the way to go!
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Belen
8 months ago
Option D is correct! Public key encryption uses a public key to encrypt.
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Tegan
9 months ago
I recall that in public key cryptography, the public key is used to encrypt messages, and the private key is what allows you to decrypt them. So, I think D is definitely the best choice here.
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Maile
9 months ago
I'm a bit confused about the difference between public and private keys in these options. I thought both keys were needed for encryption and decryption, but maybe I'm misremembering.
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Lenita
9 months ago
I practiced a similar question where the roles of public and private keys were mixed up. I feel like option D might be the right one.
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Kirk
9 months ago
I think I remember that public key cryptography involves using a public key for encryption and a private key for decryption, but I'm not sure which option that is.
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Stanford
9 months ago
Hmm, I'm not totally sure about this one. I know public key crypto involves two keys, but I'm not confident I can explain how they're used. I'll have to make an educated guess.
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Rosendo
9 months ago
I've got this! Public key cryptography uses a public key to encrypt the message, and the private key to decrypt it. The answer has to be D.
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Latosha
9 months ago
Wait, I'm a bit confused. Isn't public key cryptography about using a pair of keys, one public and one private? I'll have to re-read the question carefully.
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Huey
9 months ago
Okay, I remember learning about this in class. I'm pretty sure the answer is D - the message is encrypted with the public key and decrypted with the private key.
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Elly
9 months ago
Hmm, this seems like a tricky one. I'll need to think through the key concepts of public key cryptography to figure out the best answer.
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Josphine
2 years ago
Haha, I'm glad they're not asking us to build a public key cryptography system from scratch. That would be a real head-scratcher!
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Nickolas
2 years ago
This is a straightforward question. Option D is the textbook definition of public key cryptography.
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Stephane
2 years ago
D) A person sends a message that is encrypted by the use of a public key, and the receiver can decipher the message using their private key.
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Floyd
2 years ago
B) Messages are encrypted into cipher text and then are deciphered upon receipt by using a pair of public keys.
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Willetta
2 years ago
A) A person sends a message that is encrypted by using their private key, and the receiver must also use that private key to decipher the message.
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Erasmo
2 years ago
I'm not sure, but I think it's either B or D.
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Artie
2 years ago
D is the way to go. It's the only one that mentions using a public key for encryption and a private key for decryption.
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Beula
2 years ago
It's important to understand the role of public and private keys in ensuring secure communication.
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Dong
2 years ago
I'm not sure, but I think option C could be the right answer.
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Clay
2 years ago
I think option B is also a valid choice.
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Brandon
2 years ago
Using a public key for encryption and a private key for decryption is the standard practice in public key cryptography.
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Lucina
2 years ago
I agree, option D is the correct one.
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Reed
2 years ago
Option D is definitely the most secure method for encryption and decryption.
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Dusti
2 years ago
I agree, option D is the correct choice for a public key cryptography architect.
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Francisca
2 years ago
I agree with Francesco, because the public key is used for encryption and the private key is used for decryption.
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Kayleigh
2 years ago
Option B sounds like the right answer to me. Encrypting with public keys and decrypting with private keys is the core of public key cryptography.
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Sylvia
2 years ago
Public key cryptography is all about that encryption and decryption process with public and private keys.
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Dulce
2 years ago
Yes, that's right. The receiver uses their private key to decrypt the message.
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Linsey
2 years ago
I think option B is correct. It involves using public keys to encrypt messages.
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Francesco
2 years ago
I think the answer is D.
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Jacki
2 years ago
I think option D is the correct answer. The description matches the definition of public key cryptography.
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Cammy
2 years ago
I agree, using a public key to encrypt and a private key to decrypt makes sense.
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Selma
2 years ago
I think option D is the correct answer.
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