According to Robert Monckza, rationalization and optimization of the supply chain involves identifying the best suppliers in terms of number and quality and often eliminating those suppliers that are unwilling or uncapable to achieve supply management performance objectives.

1. What parts and components in the Kraljic matrix (leverage, routine, strategic or bottleneck) are suitable for single-source or multiple-source supply bases?
2. List and explain all the advantages of an optimal (rationalized/reduced) supply base.
3. List and explain the risks of an optimal (rationalized/reduced) supply base.
4. Discuss how can supply chain resilience be built without redundancy or duplication of supply base