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GIAC GISF Exam - Topic 6 Question 23 Discussion

Which of the following types of cipher encrypts alphabetic text by using a series of differentCaesar ciphers based on the letters of a keyword?
C) Vigen re cipher
A) Block cipher
B) Transposition cipher
D) Stream cipher

GIAC GISF Exam - Topic 6 Question 23 Discussion

Actual exam question for GIAC's GISF exam
Question #: 23
Topic #: 6
[All GISF Questions]

Which of the following types of cipher encrypts alphabetic text by using a series of different

Caesar ciphers based on the letters of a keyword?

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Suggested Answer: C

by Alishia at May 09, 2022, 11:40 AM

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Ettie
9 months ago
I always get confused with these types, but I think Vigenère makes sense.
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Chauncey
9 months ago
Nope, it's not a block cipher. Vigenère is the classic!
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Ariel
10 months ago
Wait, are we sure about that? I thought it was a block cipher.
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Linn
10 months ago
Agreed, Vigenère is the one that uses keywords.
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Twila
10 months ago
It's definitely the Vigenère cipher!
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Leota
10 months ago
I'm leaning towards the Vigenère cipher too, but I wish I had reviewed more about how it compares to block and stream ciphers.
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Tasia
10 months ago
I feel like the answer could be the transposition cipher, but that doesn't really fit the description of using different Caesar shifts.
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Ailene
10 months ago
I remember practicing a question about different ciphers, and the Vigenère cipher was mentioned as a type that uses multiple shifts.
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Ira
10 months ago
I think the answer might be the Vigenère cipher because it uses a keyword to shift letters, but I'm not completely sure.
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Crista
10 months ago
This seems straightforward to me. The error clearly points to an issue with the username and password, so I'll select option B.
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Shantell
10 months ago
This seems straightforward - I'd go with option D to register the model with an accuracy property, and only update the registered model if the new one has a higher accuracy.
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Youlanda
10 months ago
This seems like a straightforward question about project management approval processes. I'll carefully review the options and think through the typical roles and responsibilities.
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Carrol
10 months ago
I'm not really sure about the specifics, but I do remember something about the importance of avoiding single points of failure, which might be an issue with some of these options.
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