In Virtual Machine Guest Hardening, which of the following is not the duty of implementers? $($Choose all that are true$)$

Question $11$ options:

Think about a zoned approach with production environments separate from test$/$development and sensitive data$/$workloads$.$

Encode data accessed by VMs utilizing policy$-$based key servers that store the keys independently from the VM and the information.

Clean any reinforcement and failover systems while deleting and wiping the VM images.

Accept the pedigree and integrity of any VM image or format starting from any third party, or better yet, create their own VM occurrences.