What Are the Two Requirements for Assessment of Knowledge

What are the two requirements for assessment of knowledge?

A) Determining the ratio of tacit to explicit knowledge and determining if knowledge is declarative or procedural.
B) Determining overall costs and identifying a project sponsor.
C) Establishing an appropriate business culture and obtaining upper management buy-in.
D) Identifying the time to perform the assessment and selecting qualitative or quantitative measures.
E) Identifying of relevant knowledge and evaluating knowledge availability.