Validating requirements is one of the main activities of requirements engineering. Which four of
the following techniques are suitable for requirements validation?

A.
Stakeholder analysis

B.
Walk through

C.
Ranking

D.
Monitoring

E.
Decomposition

F.
Apprenticing

G.
Generalization

H.
Validation by using an interface prototype

I.
Perspective-based reading

J.
Inspection
K.
Visualization

Explanation:
http://www.certifiedre.de/fileadmin/IREB/Lehrplaene/IREB_cpre_syllabus_FL_en_v21.pdf(page 26, first 6 bulleted
points on the page)