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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
6 months ago
Really? I thought it was more complex than that.
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Elvera
6 months ago
Nope, Stream is the right one!
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Tawny
6 months ago
Wait, isn't that a Block cipher?
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Brock
6 months ago
Agreed, it processes one letter at a time.
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Kimberely
6 months ago
It's definitely a Stream cipher!
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Olive
7 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
7 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
7 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
7 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
7 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
7 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
7 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
7 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
11 months ago
Haha, I bet the answer is 'D' just to mess with us. RSA is always the answer, right?
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Sylvie
11 months ago
You guys are overthinking this. It's clearly a stream cipher, just like the question says.
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Danica
10 months ago
B) Block
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Roosevelt
10 months ago
Exactly, it's a stream cipher.
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Leatha
11 months ago
A) Stream
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Aracelis
12 months 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
10 months 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
10 months ago
Yeah, stream ciphers are known for encrypting data bit by bit. It's definitely not a block cipher.
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Lashawn
11 months ago
Definitely a stream cipher, it replaces the message with a pseudorandom string of characters.
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Lisha
11 months ago
I agree, it does sound like a stream cipher. It encrypts each letter individually with a fixed key.
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Juan
11 months ago
Yeah, stream ciphers use a fixed key and encrypt character by character.
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Shasta
12 months 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
12 months ago
Yeah, it makes sense with the description given.
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Lennie
12 months 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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