第1章供应链管理概述单元测验

1、单选题：
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】

2、多选题：
​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】

3、多选题：
‏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】

4、多选题：
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】

5、判断题：
‌Demand is the only source of uncertainty.‎
选项：
A: 正确
B: 错误
答案: 【 错误】

6、判断题：
‏Intelligent pricing strategy can improve supply chain performance.​
选项：
A: 正确
B: 错误
答案: 【 正确】

7、判断题：
‌The shorter the time, the more accurate the forecast and the higher the match between supply and demand.‎
选项：
A: 正确
B: 错误
答案: 【 正确】

8、填空题：
Supply Chain Management is concerned with the efficient management of a supply chain so as to         supply chain profitability across the entire supply chain.‏​‏
答案: 【 maximize】

9、填空题：
Supply chain profitability =          — total cost​‍​
答案: 【 total revenue】

10、填空题：
Forecasting is always        .    ‏‏
答案: 【 wrong】

11、填空题：
‎         forecasts are more accurate.‍
答案: 【 Aggregate】

12、填空题：
The          the forecast horizon the worse the forecast.‌‌‌
答案: 【 ​longer】

第2章库存控制Ⅰ单元测试

1、单选题：
‌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、单选题：
‌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: *
D: *
答案: 【 Periodic review policy】

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

4、多选题：
‎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】

5、多选题：
​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】

6、多选题：
‏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】

7、判断题：
‏The EOQ model assumes that the lead time is 0.​
选项：
A: 正确
B: 错误
答案: 【 正确】

8、判断题：
​The optimal order quantity is equal to forecast, or average, demand.‏
选项：
A: 正确
B: 错误
答案: 【 错误】

9、判断题：
‌Stock outs occur when demand over the lead time is larger than safety stock.‎
选项：
A: 正确
B: 错误
答案: 【 正确】

10、填空题：
‏Stock carried to provide a level of protection against stockouts due to             of demand during lead time.​‏​
答案: 【 uncertainty】

第2章续库存控制Ⅱ单元测验

1、单选题：
‌Centralizing inventory _______ both safety stock and average inventory in the system.‌
选项：
A: reduces
B: increases
C: *
D: *
答案: 【 reduces】

2、单选题：
‎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】

3、多选题：
‌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】

4、多选题：
‎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】

5、判断题：
‌The higher the coefficient of variation, the greater the benefit obtained from centralized system.‌
选项：
A: 正确
B: 错误
答案: 【 正确】

6、判断题：
​The echelon inventory at the distributor is equalto the inventory at the distributor, plus the inventory in transit to and in stock at theretailer.​
选项：
A: 正确
B: 错误
答案: 【 正确】

7、判断题：
​Everything else being equal, a system with a lower demand variability requires a higher safety stock and lower average inventory.‍
选项：
A: 正确
B: 错误
答案: 【 错误】

8、填空题：
‍Centralizing inventory control reduces both safety stock and average inventory level for the same service level. This phenomenon is called                     .‌
答案: 【 risk pooling】

9、填空题：
‏ In general, total safety stock and average inventory both                  with the number of stocking locations.‏
答案: 【 increase】

10、填空题：
‎Coefficient of variation=                      / Average demand‎
答案: 【 Standard deviation】

第3章供应链网络构造单元测试

1、单选题：
‏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】

2、多选题：
‍Location problems are, in general, very difficult problems. The complexity increases with‎
选项：
A: the number of customers
B: the number of products
C: the number of potential locations for warehouses
D: the number of warehouses located
答案: 【 the number of customers;
the number of products;
the number of potential locations for warehouses;
the number of warehouses located】

3、多选题：
‏It is useful to divide the network planning process into three steps:‎
选项：
A: Periodic review policy
B: Network design.
C: Inventory positioning.
D: Resource allocation.
答案: 【 Network design.;
Inventory positioning.;
Resource allocation.】

4、多选题：
‍Warehousing and distribution center costs include:‍
选项：
A: Handling costs
B: Fixed costs
C: Storage costs
D: Packaging costs
答案: 【 Handling costs;
Fixed costs;
Storage costs】

5、多选题：
‏It is important to effectively identify potential locations for new warehouses. Typically, these locations must satisfy a variety of conditions:‍
选项：
A: Geographical and infrastructure conditions.
B: Natural resources and labor availability.
C: Local industry and tax regulations.
D: Public interest.
答案: 【 Geographical and infrastructure conditions.;
Natural resources and labor availability.;
Local industry and tax regulations.;
Public interest.】

6、判断题：
‏There may be an upper bound on the distance between a distribution center and a market area served by it.‏
选项：
A: 正确
B: 错误
答案: 【 正确】

7、判断题：
​Optimizing supply chain performance is diffiult because of conflicting objectives, demand and supply uncertainties, and supply chain dynamics.‏
选项：
A: 正确
B: 错误
答案: 【 正确】

8、填空题：
‌                   is a complex process that requires a hierarchical approach in which decisions on network design, inventory positioning and management, and resource utilization are combined to reduce cost and increase service level.‏‌‏
答案: 【 Network planning】

9、填空题：
​Inventory turnover ratio = Annual sales /                                      ‏​‏
答案: 【 Average inventory level】

10、填空题：
‎                      models: provide a mechanism to evaluate specified design alternatives created by the designer.‍‎‍
答案: 【