GIAC Exam GCIA Topic 4 Question 48 Discussion

Actual exam question for GIAC's GCIA exam

Question #: 48
Topic #: 4

[All GCIA Questions]

Which of the following algorithms is used as a default algorithm for ESP extension header in IPv6?

APropagating Cipher Block Chaining (PCBC) Mode

BCipher Block Chaining (CBC) Mode

CCipher Feedback (CFB) Mode

DElectronic Codebook (ECB) Mode

Show Suggested Answer

Suggested Answer: B

by Heidy at Jun 19, 2024, 12:13 AM

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Huey

7 months ago

I'm going with B, Cipher Block Chaining (CBC) Mode. It's the most secure and widely used option for this kind of application.

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Osvaldo

5 months ago

I'm going with B as well, Cipher Block Chaining (CBC) Mode seems like the best choice for security.

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Haydee

5 months ago

I disagree, I believe it's B) Cipher Block Chaining (CBC) Mode that is commonly used for this purpose.

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Maricela

6 months ago

I think A) Propagating Cipher Block Chaining (PCBC) Mode is the default algorithm for ESP extension header in IPv6.

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Janine

6 months ago

I'm going with B, Cipher Block Chaining (CBC) Mode. It's the most secure and widely used option for this kind of application.

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Lavelle

7 months ago

I disagree, I believe D) Electronic Codebook (ECB) Mode is the default algorithm for ESP extension header in IPv6.

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Alethea

7 months ago

I think A) Propagating Cipher Block Chaining (PCBC) Mode is the best choice.

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Long

7 months ago

Ha! Imagine using ECB mode for your ESP headers, that's like putting your passwords in plain text on your website. What a joke!

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Francis

7 months ago

D, Electronic Codebook (ECB) Mode? Really? That's like the worst option for encryption, everyone knows that!

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Marjory

7 months ago

C) Cipher Feedback (CFB) Mode

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Kenny

7 months ago

B) Cipher Block Chaining (CBC) Mode

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Fannie

7 months ago

A) Propagating Cipher Block Chaining (PCBC) Mode

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Yoko

7 months ago

I remember studying that the correct answer is D) Electronic Codebook (ECB) Mode, as it is commonly used for encryption in IPv6.

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Miss

7 months ago

I'm not sure, but I think C) Cipher Feedback (CFB) Mode could also be a potential option for the default algorithm.

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Kattie

8 months ago

I disagree, I believe it is B) Cipher Block Chaining (CBC) Mode because it provides better security.

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Magda

8 months ago

Hmm, I was thinking it might be C, Cipher Feedback (CFB) Mode. Doesn't that also work for ESP headers in IPv6?

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Amber

7 months ago

Really? I was leaning towards B) Cipher Block Chaining (CBC) Mode.

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Maia

7 months ago

I think it's actually A) Propagating Cipher Block Chaining (PCBC) Mode.

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Loreta

8 months ago

I think the default algorithm for ESP extension header in IPv6 is A) Propagating Cipher Block Chaining (PCBC) Mode.

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Oretha

8 months ago

I'm pretty sure the answer is B, Cipher Block Chaining (CBC) Mode. It's a common algorithm used for encryption in network protocols.

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Sena

8 months ago

It provides confidentiality and integrity protection for the data being transmitted.

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Aleshia

8 months ago

Yes, CBC mode is the default algorithm for ESP extension header in IPv6.

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Sheron

8 months ago

I think you're right, CBC mode is commonly used for encryption in network protocols.

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