Certified Ethical Hacker (CEH) Practice Exam

The primary role of a Certificate Authority (CA) is to maintain a public key infrastructure (PKI), which is crucial for the management and validation of digital certificates. A CA issues digital certificates used to establish the authenticity of entities, such as individuals or organizations, in online communications. By verifying the identities of the entities requesting a certificate and associating their public keys with this verified identity, the CA helps create a trustworthy environment for secure communication over untrusted networks like the internet. While options related to creating encryption algorithms, tracking digital certificates within a system, or issuing security patches may seem relevant to the realm of cybersecurity, they don't accurately capture the central function of a Certificate Authority. The issuance and management of digital certificates to ensure the integrity and authenticity of communications is a critical aspect of PKI and underpins many security protocols, making the maintenance of a public key infrastructure the correct answer.