Digital certificates can be used to ensure which of the following? (Select TWO).

The correct answer is B. Confidentiality E. Non-repudiation. Digital certificates serve two primary cryptographic purposes. First, they enable confidentiality (B): the certificate contains a public key used to encrypt data, ensuring only the intended recipient with the matching private key can decrypt it. Second, they enable…

General security concepts

Question

Options

AAvailability
BConfidentiality
CVerification
DAuthorization
ENon-repudiation

How the community answered

(37 responses)

A
8% (3)
B
73% (27)
C
16% (6)
D
3% (1)

Explanation

Digital certificates serve two primary cryptographic purposes. First, they enable confidentiality (B): the certificate contains a public key used to encrypt data, ensuring only the intended recipient with the matching private key can decrypt it. Second, they enable non-repudiation (E): the certificate binds a public key to an identity, allowing digital signatures to be verified - the signer cannot later deny having signed the data. Availability relates to uptime and redundancy, not certificates. Authorization is an access-control function. Verification/authentication can be loosely associated with certificates, but non-repudiation is the more precise and exam-accepted answer alongside confidentiality.

Topics

#digital certificates#PKI#non-repudiation#confidentiality

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