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BCS Exam CISMP-V9 Topic 1 Question 71 Discussion

Actual exam question for BCS's CISMP-V9 exam
Question #: 71
Topic #: 1
[All CISMP-V9 Questions]

Which algorithm is a current specification for the encryption of electronic data established by NIST?

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Suggested Answer: B

The Advanced Encryption Standard (AES) is the current specification for the encryption of electronic data established by the National Institute of Standards and Technology (NIST). AES is a symmetric block cipher that can encrypt (encipher) and decrypt (decipher) information, converting data to an unintelligible form called ciphertext and back to its original form, plaintext. The AES algorithm is capable of using cryptographic keys of 128, 192, and 256 bits to encrypt and decrypt data in blocks of 128 bits.It was selected by NIST as a Federal Information Processing Standard (FIPS) to protect electronic data and is widely recognized and used for secure data encryption1.


by Lawrence at Apr 13, 2024, 03:37 PM

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Lucille
9 days ago
Hmm, I'm leaning towards AES too, but I'm curious to hear what the others think. Anyone else have any insights?
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Jeanice
11 days ago
RSA is a public-key encryption algorithm, not a NIST standard for symmetric encryption. I'm pretty sure the answer has to be AES.
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Tayna
12 days ago
PGP? Seriously? That's a whole different encryption system, not a NIST standard. I think we can rule that one out.
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Denae
12 days ago
DES? Isn't that the old one that's considered insecure now? I doubt they'd still be testing us on that.
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Jesse
15 days ago
AES, for sure. That's the Advanced Encryption Standard, right? NIST approved it back in 2001 to replace DES.
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Fletcher
16 days ago
Oh man, this is a tricky one! I remember learning about all these encryption algorithms, but I can never keep them straight.
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