What is the primary role of a Certificate Authority (CA) in the X.509 trust model?

To issue and digitally sign certificates that bind public keys to identities

To store users' private keys in a central repository

To generate private keys for all users

To encrypt all network traffic between clients and servers

A company is implementing a document-signing workflow for legal contracts. They require that the signer cannot later deny having signed a specific contract. Which combination of properties must the digital signature provide?

Authenticity and non-repudiation

Confidentiality and non-repudiation

EC-CouncilCertified Encryption Specialist

Domain 4Objective 1

Digital Signatures and X.509 Certificates ECES Practice Questions (Page 11)

Part of the Applications of Cryptography domain, which makes up ~25% of our current practice bank. EC-Council does not publish an official question count, but from its 120-minute exam (~50–80 total, ~13–20 in this domain), expect 3–5 from this objective — we provide 52 practice questions to prepare you well beyond it. (estimate)

52questions here

11free pages

8concepts

Questions 51–52

51foundation · easy
What is the primary role of a Certificate Authority (CA) in the X.509 trust model?
Select an answer first
52expert · medium
A company is implementing a document-signing workflow for legal contracts. They require that the signer cannot later deny having signed a specific contract. Which combination of properties must the digital signature provide?
Select an answer first

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Digital Signatures and X.509 Certificates ECES Practice Questions (Page 11)

Questions 51–52

What is the primary role of a Certificate Authority (CA) in the X.509 trust model?

A company is implementing a document-signing workflow for legal contracts. They require that the signer cannot later deny having signed a specific contract. Which combination of properties must the digital signature provide?

Keep studying — Applications of Cryptography