A Large Law Firm Is Migrating All of Its Systems

Multiple Choice

A large law firm is migrating all of its systems to the cloud to meet growing business needs. The firm wants to reduce IT staff while maintaining day-to-day operations, such as user provisioning, folder management, and permissions. Which of the following MUST the cloud provider and cloud customer implement to ensure user non-repudiation?

A) Server certificate
B) Client-to-site VPN
C) Two-factor authentication
D) Single sign-on