Isaca Exam CDPSE Topic 2 Question 24 Discussion

Actual exam question for Isaca's CDPSE exam

Question #: 24
Topic #: 2

[All CDPSE Questions]

Which of the following is the MOST important consideration for determining the operational life of an encryption key?

ANumber of entities involved in communication

BNumber of digitally signed documents in force

CVolume and sensitivity of data protected

DLength of key and complexity of algorithm

Show Suggested Answer

Suggested Answer: D

by Lai at Jan 08, 2023, 07:03 PM

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Sherill

2 days ago

Hold on, are we sure the complexity of the algorithm is the right answer? I mean, have you seen the size of some encryption keys these days? It's like trying to memorize the entire dictionary. Length is where it's at, my friend.

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Horace

9 days ago

Hmm, I'm not so sure. What if you have a huge network of entities communicating? Wouldn't that increase the chances of the key being compromised? Maybe that's the real deciding factor.

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Wenona

11 days ago

I don't know, the volume and sensitivity of the data seems like a pretty big deal to me. If you're protecting the nuclear launch codes, you'll need a much more robust key than for your grocery list.

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Cristen

13 days ago

I think D) Length of key and complexity of algorithm is also crucial, as a longer key and more complex algorithm can make it harder to crack the encryption.

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Amos

16 days ago

I agree with Zita, because the more data and sensitive it is, the more important it is to have a strong encryption key.

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Dong

17 days ago

Well, the length and complexity of the encryption algorithm would surely have the biggest impact on the key's lifespan. I mean, the more secure the encryption, the longer it'll hold up, right?

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Eladia

13 hours ago

A) Number of entities involved in communication

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Zita

23 days ago

I think the most important consideration is C) Volume and sensitivity of data protected.

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