What is the value of numbers.capacity() after the following code?

Which trust architecture or model is based on the concept of an individual top level entity that all other entities trust and with entities organized in levels or layers below the top level?

A. Hierarchical trust B. Transitive trust C. Web trust D. Peer trust

_________________________ allows physical IT resources to provide multiple virtual images of themselves.

Fill in the blank(s) with the appropriate word(s).