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GIAC GISP Exam - Topic 1 Question 38 Discussion

Which of the following statements about DES (Data Encryption Standard) is true?
A) Its most widely used symmetric encryption algorithm uses a 56-bit key.
B) Its most widely used symmetric encryption algorithm uses a 32-bit key.
C) Its most widely used symmetric encryption algorithm uses a 128-bit key.
D) Its most widely used symmetric encryption algorithm uses a 64-bit key.

GIAC GISP Exam - Topic 1 Question 38 Discussion

Actual exam question for GIAC's GISP exam
Question #: 38
Topic #: 1
[All GISP Questions]

Which of the following statements about DES (Data Encryption Standard) is true?

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Suggested Answer: A

by Timothy at Dec 11, 2023, 09:39 PM

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Lynelle
8 months ago
Surprised people still confuse this, it's been around forever!
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Beata
9 months ago
Nope, definitely A, 56 bits is the standard.
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Kiera
9 months ago
Wait, I thought it was 64 bits?
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Carry
9 months ago
Totally agree, A is the right answer!
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Justine
9 months ago
A is correct, DES uses a 56-bit key.
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Evan
9 months ago
I thought DES was 64 bits, but I guess that includes the parity bits, so maybe it’s actually 56 bits for the key itself?
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Brynn
10 months ago
I’m pretty confident that DES is the one with the 56-bit key, but I keep mixing it up with AES and its 128-bit key.
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Lynelle
10 months ago
I remember practicing a question about symmetric encryption algorithms, and I think 64-bit keys were mentioned, but that might be for something else.
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Shawnee
10 months ago
I think DES uses a 56-bit key, but I'm not completely sure if that's the only thing I need to remember about it.
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Louisa
10 months ago
I've got this one! DES definitely uses a 56-bit key, so I'm confident in selecting option A.
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Wei
10 months ago
Okay, I remember learning about DES in class. I think the 56-bit key is the right answer, but I'll review my notes to be sure.
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Davida
10 months ago
The key size is an important detail, so I'll make sure to double-check that before answering.
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Dominque
10 months ago
Hmm, I'm a bit confused on the details of DES. I'll have to think this through carefully.
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Tequila
10 months ago
I'm pretty sure DES uses a 56-bit key, so I'll go with option A.
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Sabina
10 months ago
This one seems pretty straightforward. I'm pretty confident that the answer is A - OpenGL/ES and SGL.
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Melina
10 months ago
I think this question is asking about the responsibilities of the P3O Sponsor role, so I'll need to focus on that. The options seem to cover different aspects of the role, so I'll need to carefully consider each one.
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Kimberlie
10 months ago
I'm a bit confused by the wording of the statements. I'll need to read through them carefully to determine which one is true.
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