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Blockchain CBSA Exam - Topic 1 Question 35 Discussion

A ____________cipher basically means it isusing a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.What is the cipher type?
A) Stream
B) Block
C) Parallel
D) RSA

Blockchain CBSA Exam - Topic 1 Question 35 Discussion

Actual exam question for Blockchain's CBSA exam
Question #: 35
Topic #: 1
[All CBSA Questions]

A ____________cipher basically means it isusing a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.

What is the cipher type?

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Suggested Answer: A

by Noah at Sep 16, 2022, 12:55 PM

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Chantell
10 months ago
Really? I thought it was more complex than that.
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Elvera
10 months ago
Nope, Stream is the right one!
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Tawny
10 months ago
Wait, isn't that a Block cipher?
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Brock
11 months ago
Agreed, it processes one letter at a time.
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Kimberely
11 months ago
It's definitely a Stream cipher!
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Olive
11 months ago
I thought RSA was a type of cipher too, but it seems more complex than just replacing letters one at a time.
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Lamonica
11 months ago
I practiced a similar question, and I believe Stream ciphers are the ones that use a fixed key for each letter.
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Floyd
11 months ago
I'm not so sure, but I remember something about Block ciphers processing data in fixed-size blocks.
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Cruz
11 months ago
I think the answer might be Stream cipher since it encrypts data one bit at a time, right?
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Aileen
11 months ago
Hmm, this seems straightforward enough. I'm pretty sure the correct codes are V30.00 for the newborn, 599.0 for the UTI, and 041.4 for the E. coli infection. I'll double-check, but I think option C is the right answer.
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Corinne
11 months ago
I vaguely remember discussing Service Abstraction in relation to contracts in our lectures. Could that be the answer?
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Tanesha
11 months ago
I'm leaning towards option B as well. The nested 'where' statement inside the main 'where' clause seems to indicate a nested operator is being used.
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Tonette
11 months ago
Remember, these questions test your understanding of financial concealment tactics. Think about ways someone could obscure fund origins.
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Gilma
1 year ago
Haha, I bet the answer is 'D' just to mess with us. RSA is always the answer, right?
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Sylvie
1 year ago
You guys are overthinking this. It's clearly a stream cipher, just like the question says.
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Danica
1 year ago
B) Block
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Roosevelt
1 year ago
Exactly, it's a stream cipher.
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Leatha
1 year ago
A) Stream
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Aracelis
1 year ago
Nah, that sounds more like a stream cipher to me. Those use a fixed key and encrypt the message character by character.
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Shaniqua
1 year ago
Stream ciphers are great for encrypting data in real-time. They work well with fixed keys like you mentioned.
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Lai
1 year ago
Yeah, stream ciphers are known for encrypting data bit by bit. It's definitely not a block cipher.
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Lashawn
1 year ago
Definitely a stream cipher, it replaces the message with a pseudorandom string of characters.
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Lisha
1 year ago
I agree, it does sound like a stream cipher. It encrypts each letter individually with a fixed key.
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Juan
1 year ago
Yeah, stream ciphers use a fixed key and encrypt character by character.
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Shasta
1 year ago
I agree, it does sound like a stream cipher. It encrypts each letter individually.
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Susana
1 year ago
Hmm, this one's tricky. I think it's a block cipher, since it mentions encrypting each letter one at a time.
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Ressie
1 year ago
Yeah, it makes sense with the description given.
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Lennie
1 year ago
I think it's a block cipher too.
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Earnestine
1 year ago
I'm not sure, but I think Block cipher could also work since it encrypts one block of data at a time.
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Bettina
1 year ago
I agree with Belen, Stream cipher makes sense for this description.
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Belen
1 year ago
I think the cipher type is Stream.
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