Eccouncil 212-81 Exam - Topic 3 Question 12 Discussion

Actual exam question for Eccouncil's 212-81 exam

Question #: 12
Topic #: 3

Which of the following Secure Hashing Algorithm (SHA) produces a 160-bit digest from a message with a maximum length of (264-1) bits and resembles the MD5 algorithm?

ASHA-0

BSHA-2

CSHA-1

DSHA-3

Show Suggested Answer

Suggested Answer: C

SHA-1

https://en.wikipedia.org/wiki/SHA-1

SHA-1 (Secure Hash Algorithm 1) is a cryptographic hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest -- typically rendered as a hexadecimal number, 40 digits long. It was designed by the United States National Security Agency, and is a U.S. Federal Information Processing Standard.

SHA-1 produces a message digest based on principles similar to those used by Ronald L. Rivest of MIT in the design of the MD2, MD4 and MD5 message digest algorithms, but generates a larger hash value (160 bits vs. 128 bits).

by Leota at Dec 08, 2022, 05:05 PM

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Osvaldo

4 months ago

I thought SHA-0 was the first one, but not sure about the details.

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Ashley

4 months ago

SHA-2 is more secure though, right?

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Kristofer

4 months ago

Wait, isn't SHA-1 considered weak now?

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Hyman

4 months ago

Totally agree, SHA-1 is the one!

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Paola

4 months ago

It's definitely SHA-1.

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Theodora

5 months ago

I’m leaning towards SHA-1 too, but I just hope I’m not mixing it up with SHA-0.

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Daniel

5 months ago

I’m a bit confused; I thought SHA-2 was the most recent one, but I guess it doesn’t fit the 160-bit requirement.

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Norah

5 months ago

I remember practicing a question about SHA algorithms, and I feel like SHA-1 was mentioned as being similar to MD5.

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Gilberto

5 months ago

I think SHA-1 is the one that produces a 160-bit digest, but I'm not completely sure.

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Vinnie

5 months ago

Okay, let's think this through step-by-step. The key is to find a balance between training time, memory usage, and model accuracy. Reducing the batch size seems like a good first step, but I'm also intrigued by the bfloat16 idea. I think I'll try both and see which one gives me the best results.

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Jeff

5 months ago

I'm a bit confused by the terminology here, but I'll do my best to apply my knowledge of MPLS and VPRNs to figure this out.

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Twanna

5 months ago

I practiced a question where containers were also mentioned, but I feel like big data analytics could be relevant too.

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