Exam L4M7 Topic 1 Question 88 Discussion

Actual exam question for CIPS's L4M7 exam
Question #: 88
Topic #: 1
A manufacturer aims at increasing the service levels to 99% from 97% through expanding the safety stock.
Safety stock can be used to accommodate which of the following?
1. Variability of stock turn
2. Variability of holding costs
3. Variability of demand
4. Variability of lead time

Suggested Answer: D Vote an answer

Safety stock is also known as buffer stock. As this name suggests, this type of stock provides some kind of
'buffer', which means safety stock will help the business to reduce the shocks induced by volatile demand or disruption on the supply chain. In other words, safety stock will reduces the probability of stockouts. The following graph would explain the reason why an organisation should have safety stock:
Chart, histogram Description automatically generated

Figure 1: Safety stock graph
As it is only the buffer against uncertainty, safety stock level should be equal to the deviation of demand or replenishment time. Safety stock should be able to accommodate variance of demand and variance of lead time.
Reference:
- Safety stock explained
- CIPS study guide page 84-86
LO 2, AC 2.1

by Marcus at Jul 13, 2026, 07:29 AM

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