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Question 502 - CAS-004 discussion

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A security administrator has been provided with three separate certificates and is trying to organize them into a single chain of trust to deploy on a website. Given the following certificate properties:

Which of the following are true about the PKI hierarchy? (Select two).

A.
www.budgetcert.com.is the top-level CA.
Answers
A.
www.budgetcert.com.is the top-level CA.
B.
www.budgetcert.com. is an intermediate CA.
Answers
B.
www.budgetcert.com. is an intermediate CA.
C.
SuperTrust RSA 2018 is the top-level CA.
Answers
C.
SuperTrust RSA 2018 is the top-level CA.
D.
SuperTrust RSA 2018 is an intermediate CA.
Answers
D.
SuperTrust RSA 2018 is an intermediate CA.
E.
BudgetCert is the top-level CA
Answers
E.
BudgetCert is the top-level CA
F.
BudgetCert is an intermediate CA.
Answers
F.
BudgetCert is an intermediate CA.
Suggested answer: C, E

Explanation:

Based on the given certificate properties:

SuperTrust RSA 2018 is an intermediate certificate authority (CA) because it is issued by BudgetCert Global Root CA, which is the top-level certificate authority.

BudgetCert is the top-level CA (root CA) in this public key infrastructure (PKI) hierarchy, as it issues certificates to SuperTrust RSA 2018 and has no issuer of its own.

Therefore, SuperTrust RSA 2018 is the intermediate CA, and BudgetCert is the top-level (root) CA in this PKI chain of trust. The www.budgetcert.com certificate is the leaf or end-entity certificate, which is used for the website itself.

CASP+ CAS-004 Exam Objectives: Domain 3.0 -- Enterprise Security Architecture (PKI and Certificate Chains of Trust)

CompTIA CASP+ Study Guide: PKI Hierarchy and Certificate Trust Models


asked 02/10/2024
shvoal gerama
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