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Cisco 350-701 Exam - Topic 4 Question 94 Discussion

Actual exam question for Cisco's 350-701 exam

Question #: 94
Topic #: 4

[All 350-701 Questions]

Which two key and block sizes are valid for AES? (Choose two)

A64-bit block size, 112-bit key length

B64-bit block size, 168-bit key length

C128-bit block size, 192-bit key length

D128-bit block size, 256-bit key length

E192-bit block size, 256-bit key length

Show Suggested Answer

Suggested Answer: A

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by Roosevelt at Aug 07, 2024, 05:26 AM

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Mel

9 months ago

Wait, are there really 64-bit options? That seems off.

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Elouise

9 months ago

128-bit block size is a must for AES!

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Rodolfo

10 months ago

I thought AES only had 128-bit keys.

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Jackie

10 months ago

Definitely! 192 and 256-bit keys are valid too.

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Olive

10 months ago

AES uses 128-bit block size, right?

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Leigha

10 months ago

I definitely recall that AES supports 128-bit block size, but I can't remember if the key lengths are 192 and 256 or something else.

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Noah

11 months ago

I feel uncertain about the block sizes; I thought AES had only one block size. Is it really 128 bits?

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Dong

11 months ago

I remember practicing a question like this, and I think the valid options are C and D.

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Gerald

11 months ago

I think AES uses a 128-bit block size, but I'm not sure about the key lengths. Was it 192 and 256 bits?

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Rosendo

11 months ago

I've got this! The valid AES key and block sizes are 128-bit and 256-bit, which correspond to options C and D. Easy peasy.

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Annelle

11 months ago

Okay, let me think this through step-by-step. AES supports 128-bit, 192-bit, and 256-bit key sizes, and 128-bit block size. So the valid options here are C and D.

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Slyvia

11 months ago

Hmm, I'm a bit unsure about this one. I know AES uses 128-bit blocks, but I can't remember the valid key sizes off the top of my head. I'll have to think this through carefully.

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Becky

11 months ago

I'm pretty sure the valid AES key and block sizes are 128-bit and 256-bit, so I'll go with options C and D.

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Emiko

11 months ago

Okay, I remember learning that a correlation of +1.0 means the two variables move perfectly together in the same direction. So a positive slope makes the most sense here. I'll select option A.

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Erasmo

1 year ago

This is a piece of cake! AES-128 and AES-256 are the two most commonly used versions, so C and D are the answers.

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Alease

1 year ago

Ha! 192-bit block size? What is this, the crypto version of the Jurassic Park movie? Clearly D is the only valid one here.

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Tricia

1 year ago

I was pretty sure that 64-bit block size is not valid for AES, so A and B are out. C and D look like the right choices to me.

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Shawana

1 year ago

Yes, AES supports 128-bit key and block sizes, so C and D are the valid choices.

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Karol

1 year ago

AES uses 128-bit block size and key size, so C and D are the correct options.

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Bette

1 year ago

I agree, C and D are the correct choices for AES key and block sizes.

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Sharika

1 year ago

I think you're right, A and B are definitely not valid for AES.

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Gwenn

1 year ago

C and D seem to be the correct options, as AES supports 128-bit block size with 192-bit and 256-bit key lengths.

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Gail

1 year ago

That's correct, C and D are the valid key and block sizes for AES.

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Bettyann

1 year ago

Yes, AES supports 128-bit block size with 192-bit and 256-bit key lengths.

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Rocco

1 year ago

I think you're right, C and D are the valid options for AES.

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Hubert

1 year ago

I'm not sure, but I think option C could also be valid.

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Magda

1 year ago

I agree with Abel, option D seems correct for AES.

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Abel

1 year ago

I think the valid sizes are 128-bit block and 256-bit key.

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