Explanation
The authentication mechanisms and implementations are the responsibility of the cloud provider because they are core components of the application platform and service. Within a SaaS implementation, the cloud customer will provision user access, deploy branding to the application interface (typically), and provide or procure training for its users.

Representational State Transfer (REST) uses TLS for communication over secured channels.
Although REST also supports SSL, at this point SSL has been phased out due to vulnerabilities and has been replaced by TLS.

Explanation/Reference:
Explanation:
DLP solutions may protect against inadvertent disclosure. Randomization is a technique for obscuring data, not a risk to data. DLP tools will not protect against risks from natural disasters, or against impacts due to device failure.