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CIPS L5M7 Exam - Topic 1 Question 15 Discussion

Actual exam question for CIPS's L5M7 exam

Question #: 15
Topic #: 1

[All L5M7 Questions]

Which of the following is an example of a closed-loop supply chain?

AA farm supplying milk to a dairy manufacturer

BThe extraction of diamonds from a mine sold to a jewellery manufacturer

CThe sale of second-hand cars at a retail outlet

DA retailer which accepts old phones to be given back to the manufacturer

Show Suggested Answer

Suggested Answer: D

A closed-loop supply chain returns used products to the chain for reuse/recycling/remanufacture. Short extract: ''closed loop -- products/materials re-enter the supply chain.'' (L5M7 Study Guide, pp.5--7)

by Billy at May 31, 2026, 04:10 PM

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Juliana

4 days ago

C is about resale, not closed-loop.

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Allene

9 days ago

D shows recycling, that's key.

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Lisha

14 days ago

A is not closed-loop, just supply.

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Caitlin

19 days ago

Yeah, closed-loop means returning to the source.

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Laticia

25 days ago

I think D is the best choice.

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Millie

30 days ago

B is just extraction, not really a closed loop.

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Jesse

1 month ago

A closed-loop is all about returns, so D is spot on!

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Lashanda

1 month ago

Wait, are we sure about D? Sounds too good to be true.

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Brittni

2 months ago

I think C fits too, but not as clearly.

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Melodie

2 months ago

D is definitely a closed-loop supply chain!

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Tracey

2 months ago

I practiced a similar question where the focus was on returns and recycling. D definitely sounds like the best example here!

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Julie

2 months ago

I’m not entirely sure, but I thought closed-loop meant something about the entire lifecycle of a product. Could it be A or D?

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Karl

2 months ago

I remember discussing closed-loop systems in class, and I feel like it’s about recycling or reusing materials. D seems to fit that.

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Loise

2 months ago

I think a closed-loop supply chain involves returning products to the manufacturer, so maybe D is the right choice?

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