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ISC2 ISSAP Exam - Topic 6 Question 59 Discussion

Which of the following statements are true about Public-key cryptography? Each correct answer represents a complete solution. Choose two.
B) The secret key can encrypt a message, and anyone with the public key can decrypt it. and D) Data encrypted by the public key can only be decrypted by the secret key.
A) Data encrypted with the secret key can only be decrypted by another secret key.
C) The distinguishing technique used in public key-private key cryptography is the use of symmetric key algorithms.

ISC2 ISSAP Exam - Topic 6 Question 59 Discussion

Actual exam question for ISC2's ISSAP exam
Question #: 59
Topic #: 6
[All ISSAP Questions]

Which of the following statements are true about Public-key cryptography? Each correct answer represents a complete solution. Choose two.

Show Suggested Answer Hide Answer
Suggested Answer: B, D

widely distributed. A message encrypted with a recipient's public key cannot be decrypted by anyone except the owner of that key and the

person associated with the public key used. This is used for confidentiality. A message signed with a sender's private key can be verified by

anyone who has access to the sender's public key.

Answer options A and C are incorrect. Because of the asymmetric behavior of the keys, the secret key can encrypt a message, and anyone

with the public key can decrypt it. The distinguishing technique used in public key-private key cryptography is the use of asymmetric key

algorithms because the key used to encrypt a message is not the same as the key used to decrypt it.


by Nana at Oct 24, 2022, 01:46 AM

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Garry
8 months ago
Wait, can anyone explain why A is wrong?
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Lai
8 months ago
Totally agree, D is the right answer!
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Tammy
9 months ago
I thought symmetric keys were used in public-key cryptography?
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Yuette
9 months ago
A is misleading, it's actually the opposite.
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Judy
9 months ago
D is definitely true!
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Tamekia
9 months ago
I’m confused about B; it sounds like it could be true, but I thought only the private key could decrypt messages encrypted with the public key.
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Rolland
9 months ago
I practiced a similar question where the public key encrypts and the private key decrypts. So, I feel confident about D being correct.
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Dalene
9 months ago
I’m not entirely sure, but I think A is related to symmetric key cryptography, not public-key.
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Ailene
9 months ago
I remember that in public-key cryptography, the public key is used for encryption, and the private key is for decryption. So, I think D might be true.
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Celestina
9 months ago
Hmm, this looks like a tricky one. I think I'll try using breakpoints and the Watch function to step through the code and see where the unexpected value is coming from.
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Mari
9 months ago
Alright, I've got this. The default vulnerability policy in Prisma Cloud Compute is to alert on all vulnerabilities, regardless of severity. I'm confident that's the correct answer.
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Tyra
10 months ago
This seems like a straightforward question about inventory management. I'll focus on understanding the key concepts of safety stock and when it's used.
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Dallas
10 months ago
I seem to remember a practice question mentioning use cases for session storage, and Table Store came up as a valid option.
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