Explanation/Reference:

A pass-through audit is a form of compliance inheritance. ln this model. all or some of the cloud provider's infrastructure and services undergo an audit to a compliance standard. The provider takes responsibility for the costs and maintenance of these certifications.
Reference: CSA Security Guidelines V.4(reproduced here for the educational purpose)

Micro segmentation(also sometimes referred to as hyper segregation) leverages virtual network topologies to run more, smaller, and more isolated networks without incurring additional hardware costs that historically make such models prohibitive. Since the entire networks are defined in software without many of the traditional addressing issues, it is far more feasible to run these multiple, software- defined environments.
Reference: CSA Security GuidelinesV.4(reproduced here for the educational purpose)

IS0/lEC17788 lists six key characteristics. the first five of which are identical to the NIST characteristics.
The only addition is multitenancy. which is distinct from resource pooling.
Ref: CSA Security Guidelines V4.0