2022知到答案 供应链管理（物流工程微专业） 最新知到智慧树满分章节测试答案

第一章 单元测试

1、 问题:Supply Chain Management is concerned with the efficient management of a supply chain so as to （ ） supply chain profitability across the entire supply chain.
选项：
A:maximize
B:minimize
C:*
答案: 【
maximize
】

2、 问题:Supply chain profitability =（ ）— total cost
选项：
A:total revenue
B:sale price
C:production cost
D:Quantities
答案: 【
total revenue
】

3、 问题:Should my supply chain focus more on cost or customer service?（ ）
选项：
A:Cost
B:Customer Service
C:Depends on Product Type
D:No Correct Answer
答案: 【
Depends on Product Type
】

4、 问题:Supply chain management challenges include( )
选项：
A:Achieving Global Optimization
B:Managing Uncertainty
C:Affected by the Development Chain
D:More powerful well-informed customers
答案: 【
Achieving Global Optimization
Managing Uncertainty
Affected by the Development Chain
More powerful well-informed customers
】

5、 问题:In addition to demand, ( )are all subject to uncertainties.
选项：
A:delivery lead time
B:manufacturing yields
C:transportation times
D:component availability
答案: 【
delivery lead time
manufacturing yields
transportation times
component availability
】

6、 问题:Supply Chain Management is primarily concerned with the efficient integration of ( )so that merchandise is produced and distributed in the right quantities, to the right locations and at the right time, and so as to minimize total system cost subject to satisfying service requirements.
选项：
A:Suppliers
B:factories
C:warehouses
D:stores
答案: 【
Suppliers
factories
warehouses
stores
】

7、 问题:Forecasting is always wrong. ( )
选项：
A:对
B:错
答案: 【
对
】

8、 问题:Aggregate forecasts are more accurate.（ ）
选项：
A:对
B:错
答案: 【
对
】

9、 问题:The longer the forecast horizon the worse the forecast. （ ）
选项：
A:对
B:错
答案: 【
对
】

10、 问题:Demand is the only source of uncertainty.（ ）
选项：
A:对
B:错
答案: 【
错
】

第二章 单元测试

1、 问题:As we increase the production quantity, the risk——that is, the probability of large losses——always（ ）
选项：
A:decreases
B:increases
C:not change
D:*
答案: 【
increases
】

2、 问题:As we increase the production quantity, the risk——that is, the probability of large losses——always（ ）
选项：
A:decreases
B:increases
C:not change
D:*
答案: 【
increases
】

3、 问题:What kind of inventory strategy should we use for some materials that are not very important or do not use much( )
选项：
A:Continuous review policy
B:Periodic review policy
C:*
答案: 【
Periodic review policy
】

4、 问题:When demand rate is not constant, which model should we use?( )
选项：
A:EOQ
B:(s, S)
C:*
答案: 【
(s, S)
】

5、 问题:Why do we hold inventory?( )
选项：
A:Unexpected changes in customer demand
B:The presence in many situations of a significant uncertainty
C:Lead times
D:Economies of scale offered by transportation companies
答案: 【
Unexpected changes in customer demand
The presence in many situations of a significant uncertainty
Lead times
Economies of scale offered by transportation companies
】

6、 问题:Everything else being equal, service level will be higher for products with( )
选项：
A:High profit margin
B:High volume
C:Low variability
D:Long lead time
答案: 【
High profit margin
High volume
Low variability
Long lead time
】

7、 问题:Inventory can appear in many places in the supply chain, and in several forms:( )
选项：
A:Raw materials
B:Work-in-process
C:Finished goods
D:Facility
答案: 【
Raw materials
Work-in-process
Finished goods
】

8、 问题:The EOQ model assumes that the lead time is 0.( )
选项：
A:对
B:错
答案: 【
对
】

9、 问题:The optimal order quantity is equal to forecast, or average, demand.（ ）
选项：
A:对
B:错
答案: 【
错
】

10、 问题:Stock outs occur when demand over the lead time is larger than safety stock.（ ）
选项：
A:对
B:错
答案: 【
对
】

11、 问题:Stock carried to provide a level of protection against stockouts due to uncertainty of demand during lead time.（ ）
选项：
A:对
B:错
答案: 【
对
】

12、 问题:Centralizing inventory （ ）both safety stock and average inventory in the system.
选项：
A:reduces
B:increases
C:*
答案: 【
reduces
】

13、 问题:Standard deviation of aggregated demand is ( ) the sum of Standard deviation of individual demands.
选项：
A:more than
B:equal to
C:less than
D:*
答案: 【
less than
】

14、 问题:What are the trade-offs that we need to consider in comparing centralized distribution systems with decentralized distribution systems?( )
选项：
A:Safety stock.
B:Service level
C:Overhead costs
D:Customer lead time
答案: 【
Safety stock.
Service level
Overhead costs
Customer lead time
】

15、 问题:Why have a multi-echelon distribution system?( )
选项：
A:Better service from regional locations
B:Transportation economies and Mixing functions
C:Risk pooling over the manufacturing or procurement lead time
D:Differentiated stocking and service policies
答案: 【
Better service from regional locations
Transportation economies and Mixing functions
Risk pooling over the manufacturing or procurement lead time
Differentiated stocking and service policies
】

16、 问题:The higher the coefficient of variation, the greater the benefit obtained from centralized system.( )
选项：
A:对
B:错
答案: 【
对
】

17、 问题:The echelon inventory at the distributor is equalto the inventory at the distributor, plus the inventory in transit to and in stock at the retailer. ( )
选项：
A:对
B:错
答案: 【
对
】

18、 问题:Everything else being equal, a system with a lower demand variability requires a higher safety stock and lower average inventory.（ ）
选项：
A:对
B:错
答案: 【
错
】

19、 问题:Centralizing inventory control reduces both safety stock and average inventory level for the same service level. This phenomenon is called risk pooling.（ ）
选项：
A:对
B:错
答案: 【
对
】

20、 问题:In general, total safety stock and average inventory both increase with the number of stocking locations.（ ）
选项：
A:对
B:错
答案: 【
对
】

21、 问题:Coefficient of variation= Standard deviation / Average demand（ ）
选项：
A:对
B:错
答案: 【
对
】

第三章 单元测试

1、 问题:The solution technology of supply chain network that can find optimal solutions is（ ）
选项：
A:Exact algorithms
B:Heuristics
C:Simulation models
D:EOQ
答案: 【
Exact algorithms
】