供应链管理（物流工程微专业） 知到智慧树答案2024 z43321

第一章 单元测试

1、 Supply Chain Management is concerned with the efficient management of a supply chain so as to （ ） supply chain profitability across the entire supply chain.

A:maximize
B:minimize
C:*
答案:
maximize

2、 Supply chain profitability =（ ）— total cost

A:total revenue
B:sale price
C:production cost
D:Quantities
答案:
total revenue

3、 Should my supply chain focus more on cost or customer service?（ ）

A:Cost
B:Customer Service
C:Depends on Product Type
D:No Correct Answer
答案:
Depends on Product Type

4、 Supply chain management challenges include( )

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、 In addition to demand, ( )are all subject to uncertainties.

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、 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.

A:Suppliers
B:factories
C:warehouses
D:stores
答案:
Suppliers
factories
warehouses
stores

7、 Forecasting is always wrong. ( )

A:对
B:错
答案:
对

8、 Aggregate forecasts are more accurate.（ ）

A:对
B:错
答案:
对

9、 The longer the forecast horizon the worse the forecast. （ ）

A:对
B:错
答案:
对

10、 Demand is the only source of uncertainty.（ ）

A:对
B:错
答案:
错

第二章 单元测试

1、 As we increase the production quantity, the risk——that is, the probability of large losses——always（ ）

A:decreases
B:increases
C:not change
D:*
答案:
increases

2、 As we increase the production quantity, the risk——that is, the probability of large losses——always（ ）

A:decreases
B:increases
C:not change
D:*
答案:
increases

3、 What kind of inventory strategy should we use for some materials that are not very important or do not use much( )

A:Continuous review policy
B:Periodic review policy
C:*
答案:
Periodic review policy

4、 When demand rate is not constant, which model should we use?( )

A:EOQ
B:(s, S)
C:*
答案:
(s, S)

5、 Why do we hold inventory?( )

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、 Everything else being equal, service level will be higher for products with( )

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、 Inventory can appear in many places in the supply chain, and in several forms:( )

A:Raw materials
B:Work-in-process
C:Finished goods
D:Facility
答案:
Raw materials
Work-in-process
Finished goods

8、 The EOQ model assumes that the lead time is 0.( )

A:对
B:错
答案:
对

9、 The optimal order quantity is equal to forecast, or average, demand.（ ）

A:对
B:错
答案:
错

10、 Stock outs occur when demand over the lead time is larger than safety stock.（ ）

A:对
B:错
答案:
对

11、 Stock carried to provide a level of protection against stockouts due to uncertainty of demand during lead time.（ ）

A:对
B:错
答案:
对

12、 Centralizing inventory （ ）both safety stock and average inventory in the system.

A:reduces
B:increases
C:*
答案:
reduces

13、 Standard deviation of aggregated demand is ( ) the sum of Standard deviation of individual demands.

A:more than
B:equal to
C:less than
D:*
答案:
less than

14、 What are the trade-offs that we need to consider in comparing centralized distribution systems with decentralized distribution systems?( )

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、 Why have a multi-echelon distribution system?( )

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、 The higher the coefficient of variation, the greater the benefit obtained from centralized system.( )

A:对
B:错
答案:
对

17、 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. ( )

A:对
B:错
答案:
对

18、 Everything else being equal, a system with a lower demand variability requires a higher safety stock and lower average inventory.（ ）

A:对
B:错
答案:
错

19、 Centralizing inventory control reduces both safety stock and average inventory level for the same service level. This phenomenon is called risk pooling.（ ）

A:对
B:错
答案:
对

20、 In general, total safety stock and average inventory both increase with the number of stocking locations.（ ）

A:对
B:错
答案:
对

21、 Coefficient of variation= Standard deviation / Average demand（ ）

A:对
B:错
答案:
对

第三章 单元测试

1、 The solution technology of supply chain network that can find optimal solutions is（ ）

A:Exact algorithms
B:Heuristics
C:Simulation models
D:EOQ
答案:
Exact algorithms

2、 Location problems are, in general, very difficult problems. The complexity increases with( )

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、 It is useful to divide the network planning process into three steps:( )

A:Periodic review policy
B:Network design.
C:Inventory positioning.
D:Resource allocation.
答案:
Network design.
Inventory positioning.
Resource allocation.

4、 Warehousing and distribution center costs include:( )

A:Handling costs
B:Fixed costs
C:Storage costs
D:Packaging costs
答案:
Handling costs
Fixed costs
Storage costs

5、 It is important to effectively identify potential locations for new warehouses. Typically, these locations must satisfy a variety of conditions:（ ）

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、 There may be an upper bound on the distance between a distribution center and a market area served by it.( )

A:对
B:错
答案:
对

7、 Optimizing supply chain performance is diffiult because of conflicting objectives, demand and supply uncertainties, and supply chain dynamics.（ ）

A:对
B:错
答案:
对

8、 Network planning 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.（ ）

A:对
B:错
答案:
对

9、 Inventory turnover ratio = Annual sales /Average inventory level（ ）

A:对
B:错
答案:
对

10、 Simulation models: provide a mechanism to evaluate specified design alternatives created by the designer. （ ）

A:对
B:错
答案:
对

第四章 单元测试

1、 In Newsvendor Model, the optimal order quantity has nothing to do with the following factors:( )

A:Demand distribution
B:Marginal revenue
C:Marginal loss
D:Order quantity in the last period
答案:
Order quantity in the last period

2、 ( )require the supplier to monitor the buyer’ s revenue and thus increase administrative cost.

A:Wholesale Price Contracts
B:Buy-Back Contracts
C:Revenue-Sharing Contracts
D:Sales Rebate Contracts
答案:
Revenue-Sharing Contracts

3、 ( )provide a direct incentive to the retailer to increase sales by means of a rebate paid by the supplier for any item sold above a certain quantity.

A:Wholesale Price Contract
B:Buy-Back Contracts
C:Revenue-Sharing Contracts
D:Sales Rebate Contracts
答案:
Sales Rebate Contracts

4、 ( )are contracts in which the supplier provides full refund for returned (unsold) items as long as the number of returns is no larger than a certain quantity.

A:Buy-Back Contracts
B:Revenue-Sharing Contracts
C:Quantity-Flexibility Contracts
D:Sales Rebate Contracts
答案:
Quantity-Flexibility Contracts

5、 In a typical supply contract, the buyer and supplier will agree on( )

A:Pricing and volume discounts.
B:Minimum and maximum purchase quantities.
C:Delivery lead times and Product return policies.
D:Product or material quality.
答案:
Pricing and volume discounts.
Minimum and maximum purchase quantities.
Delivery lead times and Product return policies.
Product or material quality.

6、 Supply contracts are very powerful tools that can be used for far more than to ensure adequate supply and demand for goods.( )

A:对
B:错
答案:
对

7、 In Quantity-Flexibility Contracts, the buyer transfers a portion of the revenue from each unit sold to the end customer.（ ）

A:对
B:错
答案:
错

8、 If the wholesale price of each newspaper is￥0.75, the sales price is￥1, the salvage value is￥0.6, the demand follows the Normal Distribution，the mean=500，the standard deviation=50. The optimal order quantity is [515,516].（ ）

A:对
B:错
答案:
对

9、 In Buy-Back Contract, the seller agrees to buy back unsold goods from the buyer for some agreed-upon price higher than the salvage value.（ ）

A:对
B:错
答案:
对

10、 ln a revenue-sharing contract, the buyer shares some of its revenue with the seller, in return for a discount on the wholesale price.（ ）

A:对
B:错
答案:
对

第五章 单元测试

1、 The causes of bullwhip effect include:（ ）

A:Demand Signal Processing
B:Order Batching
C:Price Fluctuations
D:Shortage Gaming
答案:
Demand Signal Processing
Order Batching
Price Fluctuations
Shortage Gaming

2、 What are the methods for coping with the Bullwhip Effect? （ ）

A:Reducing uncertainty
B:Reducing variability
C:Lead-time reduction
D:Strategic partnership
答案:
Reducing uncertainty
Reducing variability
Lead-time reduction
Strategic partnership

3、 Two contracts have been discussed in the literature and shown to provide incentives for the buyers to reveal their true forecasts. The two contracts are( )

A:Buy-Back Contracts
B:Revenue-Sharing contracts
C:Capacity reservation contracts
D:Advance purchase contracts
答案:
Capacity reservation contracts
Advance purchase contracts

4、 Typically, operating a supply chain is viewed as a series of trade-offs both within and between the different stages，which include:( )

A:Lot size – inventory
B:Inventory – transportation cost
C:Lead time – transportation cost
D:Product variety – inventory and Cost – customer service
答案:
Lot size – inventory
Inventory – transportation cost
Lead time – transportation cost
Product variety – inventory and Cost – customer service

5、 The more complicated the demand models the greater the increase in variability.( )

A:对
B:错
答案:
对

6、 In sequential planning, each stage of the supply chain optimizes its profit and considers the impact of its decisions on other supply chain stages.（ ）

A:对
B:错
答案:
错

7、 By carefully using the available information, the supply chain can move toward global optimization.（ ）

A:对
B:错
答案:
对

8、 The bullwhip effect is a phenomenon observed in supply chains where in the demand variability increases as one moves upstream from retailers to distributors to manufacturers.（ ）

A:对
B:错
答案:
对

9、 Centralized demand information can reduce the bullwhip effect, but will not eliminate it. （ ）

A:对
B:错
答案:
对

10、 A major challenge in supply chain management is replacing sequential planning processes with global optimization. （ ）

A:对
B:错
答案:
对

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