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Digital evidence validation involves using a hashing algorithm utility to create a binary or hexadecimal number that represents the uniqueness of a data set, such as a disk drive or file.
Which of the following hash algorithms produces a message digest that is 128 bits long?
Suggested Answer: B
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26 comments · newest first
DO
Dominga
11 months ago
I thought SHA-1 was 128 bits too, but I guess not!
EL
Eladia
11 months ago
CRC-32 is only 32 bits, not even close!
AN
Annice
11 months ago
Wait, isn't MD5 considered weak now?
QU
Queen
12 months ago
Totally agree, MD5 is the classic choice.
KA
Kayleigh
12 months ago
MD5 is the one that gives you a 128-bit hash!
CA
Carline
12 months ago
I think MD5 is the right answer, but I also remember something about its vulnerabilities. It’s tricky!
EZ
Ezekiel
1 year ago
I recall that SHA-1 and SHA-512 produce longer hashes, but I can't quite remember the exact lengths.
LU
Lucia
1 year ago
I’m not entirely sure, but I feel like CRC-32 might be related to checksums rather than a proper hash function.
BA
Barbra
1 year ago
I remember hashing algorithms from our last practice session, and I think MD5 is the one that produces a 128-bit hash.
AN
Annmarie
1 year ago
Okay, let me think this through. CRC-32 is 32 bits, SHA-1 is 160 bits, and SHA-512 is 512 bits. That leaves MD5 as the only 128-bit option. I'm feeling confident about this one.
KA
Karl
1 year ago
Hmm, I'm a bit confused on the differences between the hash algorithms. I'll need to review my notes to make sure I understand which one has a 128-bit output.
RO
Rosina
1 year ago
I'm pretty sure the answer is B. MD5 produces a 128-bit message digest, so that's the one that fits the description in the question.
ES
Esteban
1 year ago
I know MD5 has had some security issues, but I think that's still the right answer here based on the bit length requirement. I'll double-check my understanding, but I'm leaning towards B.
WE
Wei
1 year ago
Ah, I see now. The "secondaryPreferred" tag is the one that specifies the operations to be read from the node with the least network latency. I think I've got it!
EV
Eve
1 year ago
Okay, let's think this through. Creating a messaging policy sounds like a good start, but I wonder if there are any other settings or configurations we need to consider.
MA
Mauricio
1 year ago
Hmm, I'm a bit unsure about this one. I know cash-to-cash cycle time and order-fill rate are important, but I'm not sure if they're the most appropriate for gaining a competitive advantage through supply chain reliability.
CO
Cordelia
1 year ago
I've got a good feeling about this one. The electronic expansion valve is the more advanced and efficient option, so that's probably what Huawei is using in their precision air conditioning units.
LE
Lemuel
1 year ago
Ah, I remember learning about this! I'm pretty sure the answer is that the information from the previous block is embedded into the current block through hashing. That's what creates the chain.
DE
Deonna
2 years ago
I see why MD5 is the correct answer now, it all makes sense.
RO
Roslyn
2 years ago
I remember learning that SHA-1 produces a 160-bit digest, so it can't be the answer.
SH
Sharita
2 years ago
That's right, CRC-32 produces a 32-bit digest, not 128-bit.
DE
Deonna
2 years ago
I'm not sure, but I think CRC-32 produces a 32-bit message digest.
RO
Roslyn
2 years ago
I agree with MD5 produces a 128-bit message digest.
SH
Sharita
2 years ago
I think the correct answer is B) MD5.
HO
Honey
3 years ago
MD5 produces a 128-bit message digest.
EL
Eliz
3 years ago
B) MD5