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Isaca Exam CDPSE Topic 10 Question 62 Discussion

Actual exam question for Isaca's CDPSE exam
Question #: 62
Topic #: 10
[All CDPSE Questions]

Which of the following is the PRIMARY reason that a single cryptographic key should be used for only one purpose, such as encryption or authentication?

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Suggested Answer: C

Data classification is the process of categorizing data according to its sensitivity, value, and criticality for the organization and the data subjects. Data classification has the greatest impact on the treatment of data within the scope of an organization's privacy policy, as it determines the appropriate level of protection, access, retention, and disposal for each type of dat

a. Data classification also helps to comply with the privacy principles and regulations, such as data minimization, purpose limitation, accuracy, security, and accountability.


by Margurite at Mar 07, 2025, 10:13 AM

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Rosendo
28 days ago
B) Minimizing risk is key, no pun intended. Gotta keep that cryptographic security tight.
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Emelda
29 days ago
C) One key to rule them all! Practical and efficient, what could go wrong?
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Elise
1 months ago
D) Unique key management for each process? Sounds like a lot of work, but I guess it's the right answer.
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Carlota
10 days ago
A) It eliminates cryptographic key collision.
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Keena
1 months ago
A) Key collision, huh? Sounds like a bad sci-fi movie. I'm going with that one.
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Emelda
3 days ago
User 3: Yesenia is right, A) It eliminates cryptographic key collision.
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Yesenia
11 days ago
User 2: B) It minimizes the risk if the cryptographic key is compromised.
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Talia
14 days ago
User 1: Key collision, huh? Sounds like a bad sci-fi movie. I'm going with that one.
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Carin
2 months ago
B) Definitely the correct answer. I don't want to risk my whole system being compromised if that one key gets out there.
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Sharmaine
1 months ago
B) It minimizes the risk if the cryptographic key is compromised.
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Gaynell
1 months ago
A) It eliminates cryptographic key collision.
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My
2 months ago
But wouldn't using a single key be more practical and efficient?
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Jonell
2 months ago
I agree with Dell. Using a single key for multiple purposes increases the risk.
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Dell
3 months ago
I think the primary reason is to minimize the risk if the key is compromised.
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