CLL CLL Supply Chain & Lean Procurement

Question 1

Which lean concept focuses on pulling materials through the supply chain based on actual customer demand rather than forecasts?

Accepted Answer

Pull system (Kanban)

Answer

A pull system, often implemented via Kanban, triggers replenishment only when downstream demand signals are received, eliminating overproduction.

Question 2

What is the primary goal of supplier development in a lean supply chain?

Accepted Answer

Building long-term partnerships to improve quality and delivery performance

Answer

Lean supplier development focuses on collaborative, long-term relationships that improve mutual quality, responsiveness, and total cost.

Question 3

In lean procurement, what does 'total cost of ownership (TCO)' emphasize over unit price?

Accepted Answer

All costs across the lifecycle including quality, delivery, and disposal

Answer

TCO accounts for acquisition, operating, quality, logistics, and end-of-life costs to make fully informed procurement decisions.

Question 4

Which lean supply chain metric measures the time from raw material receipt to finished goods delivery to the customer?

Accepted Answer

Supply chain lead time

Answer

Supply chain lead time captures end-to-end flow time and is a key target for lean improvement to reduce working capital and increase responsiveness.

Question 5

What lean strategy involves working with a single trusted supplier for a critical component to reduce complexity and build deeper alignment?

Accepted Answer

Single sourcing

Answer

Single sourcing concentrates volume with one supplier to enable deeper collaboration, joint improvement, and reduced transaction costs.

(CLL) Certified Lean Leader Practice Test