How is a data modeling language used?
A. To enable data to be easily structured, grouped, validated, and replicated.
B. To represent finite and well-defined network elements that cannot be changed.
C. To model the flows of unstructured data within the infrastructure.
D. To provide human readability to scripting languages.
Pretty sure this is A.
Yang was introduced to be human readable.
Other forms of data models like xml are not.