With cloud providers hosting a number of different customers, it would be impractical for them to pursue additional certifications based on the needs of a specific customer. Cloud environments are built to a common denominator to serve the greatest number of customers, and especially within a public cloud model, it is not possible or practical for a cloud provider to alter their services for specific customer demands.

Explanation/Reference:
Explanation:
A keyboard-video-mouse (KVM) system is commonly used for directly accessing server terminals in a data center. It is not a method that would be possible within a cloud environment, primarily due to the use virtualized systems, but also because only the cloud provider's staff would be allowed the physical access to hardware systems that's provided by a KVM. Hypertext Transfer Protocol Secure (HTTPS), virtual private network (VPN), and Transport Layer Security (TLS) are all technologies and protocols that are widely used with cloud implementations for secure access to systems and services.