Certificates are used for: (Select TWO).

The correct answer is A. Client authentication. D. Code signing. Digital certificates, issued by a Certificate Authority (CA), bind a public key to an identity and serve two key purposes here: (A) Client authentication - certificates can verify the identity of a client to a server (e.g., mutual TLS), proving who the client is without…

General security concepts

Question

Options

AClient authentication.
BWEP encryption.
CAccess control lists.
DCode signing.
EPassword hashing.

How the community answered

(36 responses)

A
92% (33)
B
6% (2)
C
3% (1)

Explanation

Digital certificates, issued by a Certificate Authority (CA), bind a public key to an identity and serve two key purposes here: (A) Client authentication - certificates can verify the identity of a client to a server (e.g., mutual TLS), proving who the client is without passwords; and (D) Code signing - developers use certificates to digitally sign software, allowing users and operating systems to verify that code hasn't been tampered with and comes from a trusted source. WEP encryption (B) uses pre-shared keys, not certificates. Access control lists (C) are IP/rule-based, unrelated to PKI certificates. Password hashing (E) is a one-way function for storing passwords, not a certificate function.

Topics

#digital certificates#client authentication#code signing#PKI

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