SCM309 Final

a transshipment model has two flow-out-of (source) nodes, four transshipment nodes, and three flow-into (destination) nodes. Each transshipment node is connected with both source nodes and with only one destination node. This network will have how many arcs? a. 8 b. 14 c. 6 d. 12

12

which of the following is nonlinear? a. -4X + 2Y b. 4 X/Y + 7Z c. Z d. 4X + (1/2)Y + 7Z

4 X/Y + 7Z

a transportation problem with three factories and three warehouses will have how many decision variables? a. 6 b. 12 c. 3 d. 9

9

Let CM = the number of components to make and CB = the number of components to buy. If no more than 3000 components are needed, then: a. CM - CB >= 3000 b. CM + CB = 3000 c. CM + CB <= 3000 d. CM - CB <= 3000

CM + CB <= 3000

As part of a larger problem, X, Y, and Z are binary variables. If we wish to add the constraint that X must be positive, and that only Y or Z but not both, can be positive, how would the additional constraint(s) be written? a. X = 1, Y + Z <=1 b. X <= 1, Y + Z = 1 c. X + Y + Z <= 3, Y + Z <= 1 d. X <=2, and Y <=2, and Z <=2

X = 1, Y + Z <=1

as part of a larger problem, you are trying to determine whether or not to open a plant with a capacity of 10,000 units (using a binary variable y). You also define X as the number of units (if any) produced at that plant. How will you ensure that Y will equal 1 if the plant is open? a. Y >= X b. Y <= X c. X<= 10,000Y d. X = 10,000Y

X<= 10,000Y

which of the following is NOT a property of all linear programming problems? a. a computer program b. the presence of restrictions c. usage of only linear equations and inequalties d. optimization of some objective

a computer program

indicate which statement is NOT true regarding supply chain performance measurement systems: a. designing standards and monitoring them provides better information for decision-making b. firms aim toward achieving adequate performance and continually improving on those measures c. performance measures that must be visible and communicated to all members of the supply chain d. adding several tiers of suppliers and customers simplifies performance measurement

adding several tiers of suppliers and customers simplifies performance measurement

identify which transportation mode is the best in each of the following categories: speed, availability, dependability, capability, frequency: a. air, rail, truck, truck, water b. air, truck, pipeline, water, pipeline c. truck, rail, water, pipeline, air d. truck, air, rail, water, pipeline

air, truck, pipeline, water, pipeline

The phase of the supply chain integration model concerned with identifying the important processes linking each of the supply chain partners is: a. identify critical supply chain trading partners b. align supply chain strategies with key supply chain process objectives c. review and establish supply chain strategies d. assess and improve internal integration of key supply chain processes

align supply chain strategies with key supply chain process objectives

sensitivity analyses are used to examine the effects of changes in: a. technological coefficients b. contribution rates for each variable c. available resources d. all of the above

all of the above

simulation ____________ a. is flexible and does not require the assumptions of theoretical models b. allows testing of the system without affecting the real system c. does not guarantee optimality d. all of the above

all of the above

which of the following explain the need for facility location selection? a. when the existing business unit has outgrown its original facilities and expansion is not possible b. when the lease expires, and the landlord does not renew the lease c. when a business is newly started d. all of the above

all of the above

which of the following would be considered a supply chain risk management activity? a. all of the above b. develop a formal risk management program c. diversify the supply base d. increasing safety stock

all of the above

which of the following issues is (are) important to consider when trying to determine the location of a firm's facilities? a. access to suppliers from the location considered b. environmental issues regulated by domestic laws or international trade agreements c. all of the alternatives are correct d. the stability in the location considered

all of the alternatives are correct

inventory turnover reflects what kind of measure? a. cost b. productivity c. asset utilization d. customer service

asset utilization

there are different goals for spreadsheet modeling design. __________, for example, assumes the manager should be able to retrace the steps followed to generate outputs from the model in order to understand and verify results. a. communication b. auditability c. modifiability d. reliability

auditability

one of the service characteristics of any transportation mode is its ability to service any given pair of locations. This service dimension characteristics is formally called: a. frequency b. capability c. availability d. speed

availability

the ______________ is a strategy performance management tool - a semi-standard structured report, supported by design methods and automation tools that can be used by managers to keep track of the execution of activities by the staff within their control and to monitor the consequences arising from these actions. It considers a "4 perspectives" approach namely financial, customer, inernal business processes and learning and growth. a. strategic profit model (DuPont model) b. supply chain operations reference model (SCOR) c. balanced scorecard (BSC) d. financial reporting (Balance Sheet/Income statement)

balanced scorecard (BSC)

indicate which of the following statements best describes the primary reason for performing intermodal shipments a. because intermodal movements combine the cost and/or service advantages of two or more modes balancing trade-offs b. because intermodal movements allow cost minimization c. because intermodal movements reduce the complexity of operational decisions d. because intermodal movements systematicaly reduce the spread of the service

because intermodal movements combine the cost and/or service advantages of two or more modes balancing trade-offs

why does Supply Chain integration create value? a. because integration decreases the need for complex planning and scheduling b. because integration eliminates any source of conflict regarding supply chain relationships c. because the simultaneous achievement of economic value (efficiency), market value (effectiveness), and relevancy value is only possible when integration is present d. because integration automatically connects with customers and maximize service benefits

because the simultaneous achievement of economic value (efficiency), market value (effectiveness), and relevancy value is only possible when integration is present

another name for a 0-1 variable is a(n) ____________ variable. a. either-or b. yes-no c. quadratic d. binary

binary

a capital budgeting problem involving the selection of possible projects under budget constraints is solved by which of the following? a. goal programming b. nonlinear programming c. binary integer programming d. mixed-integer programming

binary integer programming

A constraint with zero slack or surplus is called a: a. resource constraint b. nonlinear constraint c. binding constraint d. nonbinding constraint

binding constraint

The following facility location technique uses fixed and variable costs to analyze potential locations: a. break even model b. load-distance model c. weighted-factor rating location model d. center of gravity method

break even model

interconnected companies and institutions from a particular field which are located in a single geographic location, are referred to as a(n): a. regional business center b. business cluster c. industrial point d. metroplex

business cluster

the contemporary focus on overall supply chain performance and effectiveness demands metrics that provide an integral perspective. the _____________ is the time it takes for an investment made to flow back into a company after it has been spent for raw materials. For services, this represents the time from the point where a company pays for the resources consumed in the performance of service to the time that the company received payment from the customer for those services. a. cost of goods sold b. perfect order c. cash to cash cycle d. order fulfillment cycle

cash to cash cycle

which of the following is a critical issue in sustainable development? a. labor and legal problems b. countertrade c. climate change d. supply base optimization

climate change

the _________ of a linear programming problem define(s) its feasible region. a. decision variables b. constraints c. objective function d. input parameters

constraints

variables that are not required to assume strictly integer values are referred to as ____________ variables a. irrational b. continuous c. discrete d. optimal

continuous

in a ________________ distribution, a random variable can take my value in specified range. a. cumulative b. continuous probability c. discrete probability d. relative frequency

continuous probability

once a decision on locating a facility is made, it is _________ to move or shut down that facility. a. costly b. easy c. cheap d. none of the above

costly

___________ is an operational strategy where product is received in a facility, generally combined with other products going to the same destination, and then shipped at the earlist opportunity without going into long-term storage a. cross-docking b. time consolidation c. just in time d. stop and go

cross-docking

which of the following customer service elements can be classified as an example to post transaction elements? a. salesperson politeness b. the company's choice of organizational structure c. customer service policies d. customer complaint resolution

customer complaint resolution

In terms of customer experience, the statements below are characteristics of the perfect order, except: a. correct order entry b. shipment not damaged c. timely arrival d. customer deductions

customer deductions

CRM systems allow organizations to identify which customers have stopped purchasing products or services, so that the organization can target those former customers for future promotions and/or perhaps to investigate why they stopped purchasing in the first place. This CRM attribute is called: a. customer clickstream analysis b. customer defection analysis c. customer-base retention initiative d. customer profitability determination

customer defection analysis

the ________________ is the process that begins with customer need recognition and ends when the customer acknowledges that the need has been fulfilled. a. supplier order cycle b. customer order cycle c. shipment order cycle d. manufacture order cycle

customer order cycle

___________ is the process of managing interactions with existing as well as past and potential customers. It is one of many approaches that allow a company to manage and analyze its own interactions with its past, current and potential customers. It's about investing time in your current customer base and prospects with the aim of retaining their custom as long as possible and increasing their spend by delivering great customer service. a. company relationship maximization b. customer relationship management c. coporate supplier management d. consumer retailers management

customer relationship management

_______________ is based on whether a product or service meets or exceeds the customer's priori expectations a. customer service b. customer success c. customer priority d. customer satisfaction

customer satisfaction

product availability is a measure of ________________ a. productivity b. asset utilization c. cost d. customer service

customer service

lead time gap is equal to: a. customers desired order cycle time x total supply chain order cycle time b. customers desired order cycle time - total supply chain order cycle time c. customers desired order cycle time + total supply chain order cycle time d. customers desired order cycle time / total supply chain order cycle time

customers desired order cycle time - total supply chain order cycle time

which of the following is the first step in making a correct location choice? a. decide the criteria for evaluating location alternatives b. evaluate the alternatives c. make a decision and select the location d. develop location alternatives

decide the criteria for evaluating location alternatives

the choices that the decision maker can control in the model are called: a. decision variables b. constraints c. objective function d. input parameters

decision variables

as you increase shipment size, transportation unit costs ($ per pound) _____________ a. decrease in a non-linear way b. decrease in a linear way c. increase in a non-linear way d. increase in a linear way

decrease in a non-linear way

which of the following is NOT considered one of the five steps of Monte Carlo simulation? a. generating random number b. building a cumulative probability distribution for each input variable c. establishing an objective function d. establishing probability distributions for important input variables

establishing an objective function

when an organization attempts to offer the right products and services to customers at the right time through the offer of individual promotions tied to specific events like birthdays and anniversaries, this is referred to as: a. personal holiday marketing b. event-based marketing c. segmented selling d. extreme segmentation marketing

event-based marketing

challenges for the transportation industry include these statements, except: a. rising customer expectations b. excess capacity c. capacity shortages of drivers, railcars, ocean slots and ports d. operating cost volatility

excess capacity

all of the following are recommended for designing and implementing a successful CRM program except: a. expect employees to 'learn on the job' and adapt their way of working b. support from the firm's top executives c. continuous awareness of customers' changing requirements d. knowledge of the tools available to aid in CRM

expect employees to 'learn on the job' and adapt their way of working

the ________________ is an expression which breaks ROE into three parts: operating efficiency, asset use efficiency, and financial leverage. This analysis enables the analyst to understand the source of superior (or inferior) return by comparison with companies in similar industries. a. strategic profit model (DuPont model) b. supply chain operations reference model (SCOR) c. balanced scorecard (BSC) d. financial reporting (Balance Sheet/Income statement)

financial reporting (Balance Sheet/Income statement)

a customers lifetime value is calculated by: a. summing the annual sales of the customer and then dividing by the project lifetime b. the firm's MRP system c. summing the projected annual profitability of the customer d. finding the NPV of a customer's projected lifetime profits for the firm

finding the NPV of a customer's projected lifetime profits for the firm

a Supply Chain value proposition that emphasizes efficiency has the following characteristics except: a. lowest landed cost b. economies of scale c. make to stock d. flexible production

flexible production

the logic in a simulation model is presented graphically through which of the following? a. data tables b. scatterplot c. decision tree d. flowchart

flowchart

a firm wanting to import items duty free and then use the compenent for local production of a product that is then exported would most likely utilize a(n): a. duty-free territory b. international cross docking zone c. international processing center d. foreign trade zone

foreign trade zone

which of the following is a contributor to the bullwhip effect? a. VMI b. forward buying c. smaller order sizes d. using actual demand data

forward buying

Mapping the network of primary trading partners is something that should be done to: a. help the firm decide which businesses to include in its supply chain management efforts b. review and establish supply chain strategies c. assess and improve internal integration of key supply chain processes d. obtain point of sale information from customers

help the firm decide which businesses to include in its supply chain management efforts

The choice of the probability distribution for a random variable can be guided by: a. likelihood factors b. forecasting c. an objective function d. historical data

historical data

the first step in the weighted-factor rating location model is to: a. assign a weight to each factor b. assign a performance score to each factor for each location c. multiply each factor score by its weight and sum the weighted scores for each location d. identify all factors considered important to the facility location decision

identify all factors considered important to the facility location decision

which of the following statements is true? a. in the shortest path model, arcs permit flow in only one direction b. in the assignment model, constraints need to be added to ensure the decision variables are integer in the optimal solution c. in the transshipment model, each arc in the network will have a constraint associated with it d. transportation problems will always have integer solutions

in the shortest path model, arcs permit flow in only one direction

as a product's susceptibility to loss and damage increases, its transportation cost ______________ a. increases b. decreases c. stays the same d. cannot be determined

increases

as customer service levels increase, requirements for warehousing space: a. decreases b. increases c. remain unchanged d. decrease initially and remain unchanged after some time

increases

as customer service level increase, sales revenue ______________ a. decreases at an increasing rate b. increases at a decreasing rate c. increases at an increasing rate d. decreases at a decreasing rate

increases at a decreasing rate

as customer service levels increase, cost _________ a. decreases at an increasing rate b. increases at a decreasing rate c. increases at an increasing rate d. decreases at a decreasing rate

increases at an increasing rate

as the planning horizon increases, forecast error/uncertainty _______________ a. decreases at a decreasing rate b. decreases at an increasing rate c. increases at an increasing rate d. increases at a decreasing rate

increases at an increasing rate

one frequently used technique to finding the optimal integer solution to a problem involves rounding the relaxed linear programming solution. in general, this approach does not work reliably because it results in a solution that may be _________ or _____________. a. feasible, optimal b. feasible, suboptimal c. infeasible, suboptimal d. infeasible, optimal

infeasible, suboptimal

an optimization model consists of different parts. _____________ represents data that is given and fixed. a. constraints b. decision variables c. objective function d. input parameters

input parameters

a model containing a linear objective function and linear constraints but requiring that one or more of the decision variables take on an integer value in the final solution is called: a. an integer programming problem b. a goal programming problem c. a nonlinear programming problem d. multiple objective LP problem

integer programming problem

in production scheduling linear programming problems, inventory at the end of this month is set equal to: a. inventory at the end of last month + last month's production - this months sales b. inventory at the end of last month + this months production - this months sales c. inventory at the end of last month - this months production + this months sales d. inventory at the beginning of last month + this months production - this months sales

inventory at the end of last month + this months production - this months sales

which of the following best defines Monte Carlo simulation? a. its a collection of techniques that seeks to group or segment a collection of objects into subsets b. it is the process of generating random values for uncertain inputs in a model and computing the output variables of interest c. it is the process of selecting values of decision variables that minmizes or maximizes some quantity of interest d. it is a tool for building statistical models that characterize relationships among a dependent variable and one or more independent variables

it is the process of generating random values for uncertain inputs in a model and computing the output variables of interest

according to the text, all of the following are considered key supply chain business processes except: a. supplier relationship management process b. knowing management process c. manufacturing flow management process d. product development and commercialization

knowing management process

a warehouse management system monitors each picker's daily performance so that rewards and incentives can be awarded to the most productive, efficient employees. Which of the following best describes this WMS feature? a. fullfillment flexibility b. systems convergence c. labor management d. automated data collection

labor management

A widely used mathematical programming technique designed to help managers and decision making relative to resource allocation is called a. computer programming b. linear programming c. goal programming d. constraint programming

linear programming

the ________________ method is a mathematical model used to evaluate locations based on proximity factors. The objective is to select a location that minimizes the total weighted volumes moving into and out of the facility. a. break even model b. load-distance model c. weighted-factor rating location model d. center of gravity method

load-distance model

facility location has _________ on the supply chain a. minimal impact b. short-term impact c. long-term impact d. no impact

long-term impact

network design is evaluated along Customer Service and Cost. if the strategic priority is to reduce the facility and handling costs, which one if the best choice from the typical network design options below? a. manufacturer storage with direct shipping (drop-shipping) b. retail storage with customer pickup c. distributor storage with last-mile delivery d. manufacturer/distributor storage with customer pickup

manufacturer storage with direct shipping (drop-shipping)

what is the objective of a maximum flow problem? a. maximize the profit of the network b. maximize the amount produced at the origin c. maximize the routes being used d. maximize the amount flowing through a network

maximize the amount flowing through a network

effective measurement systems must be constructed to accomplish three objectives: (I) ________________ is accomplished by the establishment of appropriate metrics to track system performance for reporting to management. (II) ________________ is accomplished by having appropriate standards of performance relative to the established metrics to indicate when the logistics system requires modification or attention. (III) ________________ is related to employee motivation and reward for performance. a. directing, monitoring, controlling b. monitoring, directing, controlling c. monitoring, controlling, directing d. directing, controlling, monitoring

monitoring, controlling, directing

a feasible solution to a linear programming problem: a. must give the minimum possible cost b. need not satisfy all of the constraints, only the non-negativity constraints c. must give the maximum possible profit d. must satisfy all the problem's constraints simultaneously

must satisfy all the problem's constraints simultaneously

the flow balance constraint for each node in a transportation model network is: a. net flow = total flow out of node - total flow in to node b. net flow = total flow in to the node - total flow in to nodes along the arc from another node c. net flow = total flow from the node - total flow into node d. net flow = total flow in to the node - total flow out of the node

net flow = total flow in to the node - total flow out of the node

Network Flow Problems can be described or displayed in a graphical form known as network. All network flow problems can be represented as a collection of ________ connected by _____________ a. constraints, objective function b. flows, accumulators c. variables, equations d. nodes, arcs

nodes, arcs

an optimization model consists of different parts. _____________ represents a function of the decision variables to be maxmized or minimized a. constraints b. decision variables c. objective function d. input parameters

objective function

the primary distribution facility operation focus is: a. on inventory and personnel issues b. making sure key performance indicators (KPIs) are fulfilled c. on the warehouse management system (WMS) d. on the movement and storage of products

on the movement and storage of products

the ___________ is where a customer order is linked a specific product during the supply chain management customer order fulfillment process. a. order reorder point b. order prediction point c. order information point d. order penetration point

order penetration point

which of the following strategic foreign facilities is set up in a location with an abundance of advanced suppliers, competitors, research facilities, and knowledge centers to get access to the most current information on materials, components, technologies and products? a. source factories b. server factory c. offshore factory d. outpost factory

outpost factory

the contemporary focus on overall supply chain performance and effectiveness demands metrics that provide an integral perspective. the _____________ is the percentage of orders meeting delivery performance with complete and accurate documentation and no delivery damage. Components include all items and quantities on-time using the customer's definition of on-time, and documentation - packing slips, bills of lading, invoices, etc. a. cost of goods sold b. perfect order c. cash to cash cycle d. order fulfillment cycle

perfect order

when utilizing performance standards, the difference between the standard and the actual performance is called the: a. productivity gap b. certified variance c. organizational variance d. performance variance

performance variance

A description of the range and relative likelihood of possible values of an uncertain variable is known as a: a. risk analysis b. base-case scenario c. probability distribution d. simulation optimization

probability distribution

the outcome of a simulation experiment is a(n): a. what-if scenario b. probability distribution for one or more output measures c. objective function d. single number

probability distribution for one or more output measures

the coordination and sharing of information and resources to jointly manage a process is referred to as: a. differentiation b. process integration c. reverse logistics d. simplification

process integration

all of the following are important when determining product freight costs, except: a. product aesthetics b. product handling c. product volume d. product weight

product aesthetics

employee turnover rate reflects what kind of measure? a. productivity b. asset utilization c. cost d. customer service

productivity

transportation plays a key role in every supply chain because: a. the cost of transportation is inconsequential b. products are normally produced and consumer in the same location c. products are rarely produced and consumed in the same location d. transportation is not a factor in determining profitability

products are rarely produced and consumed in the same location

a manager is responsible for determining the quantities of specialty items to order for a chain of grocery stores. this year, the manager has ordered extra cases of valentine candy to be held at the distribution center because in years past, many of the stores have run out in years past have run out of it the week before before that holiday. This is an example of which aspect of distribution operations? a. fulfilling onmi-channel demand b. reducing purchasing costs c. support production requirements d. protection against uncertainty

protection against uncertainty

choosing to manufacture in China to sell to Chinese customers would likely involve which location consideration? a. environmental issues b. land availability and cost c. proximity to markets d. utility availability and cost

proximity to markets

a(n) _________________ is an input to a simulation model whose value is uncertain and desribed by a probability distribution. a. constraint b. decision variable c. random variable d. identifier

random variable

if the addition of a constraint to a linear programming problem does not change the solution, the constraint is said to be: a. infeasible b. redundant c. unbounded d. non-negative

redundant

The use of quick response codes (QR Codes) to retrieve marketing information is a type of: a. target marketing b. customer churn c. relationship marketing d. geographic marketing

relationship marketing

_______________ is one approach to finding the optimal integer solution to a problem, where the integrality conditions are ignored and the problem is solved as if it were a standard linear programming problem where all the variables are assumed to be continuous. a. minimization b. bounding c. relaxation d. maximization

relaxation

a simulation model extends spreadsheet modeling by: a. using real-time values for parameters from the application to formulate solutions b. replacing the use of single values for parameters with a range of possible values c. using historical data to make predictions about future values and expected trends d. extending the range of parameters for which solutions are computed

replacing the use of single values for parameters with a range of possible values

network design is evaluated along Customer Service and Cost. if they strategic priority is to reduce response time to customers, which one of the best choice from the typical network design? a. manufacturer storage with direct shipping (drop-shipping) b. retail storage with customer pickup c. distributor storage with last-mile delivery d. manufacturer/distributor storage with customer pickup

retail storage with customer pickup

decisions regarding the types of parts purchased, suppliers used and the manufacturing process employed, should be decided in which phase of the supply chain integration model: a. align the supply chain strategies with key supply chain process objectives b. assess and improve internal integration of key supply chain processes c. identify critical supply chain trading partners d. review and establish supply chain strategies

review and establish supply chain strategies

When evaluating customer segments, when the profit margin is LOW and sales volume is LOW, the managerial prescription is to _________ a. review the relationship b. expedite deliveries c. watch the cost d. provide high availability

review the relationship

which of the following does not represent a factor a manager might typically consider when employing linear programming for a product scheduling? a. labor capacity b. product demand c. inventory costs d. risk assessment

risk assessment

which of the following is the of the most basic and important activities of CRM? a. cross-selling customers b. finding customers c. increasing churn d. segmenting customers

segmenting customers

what type of model would be used to determine how a person can travel from one city to another while minimizing total distance traveled? a. assignment model b. transshipment model c. transportation model d. shortest path method

shortest path method

which of the following statements is NOT one of the advantages of simulation? a. simulation is relatively easy to explain and understand b. simulation models are flexible c. a simulation model provides a convenient experimental laboratory for the real system d. simulation guarantees an optimal solution

simulation guarantees an optimal solution

the difference between the left-hand side and right-hand side of a less-than-or-equal-to constraint is referred to as: a. surplus b. shadow price c. constraint d. slack

slack

which of the following is NOT a reason for locating in a business cluster? a. sophisticated retailers b. technology sharing c. competition d. supply chain improvements

sophisticated retailers

the order cycle time is the __________ of all the individual cycle times in the supply chain. it represents the time it takes the entire supply chain from point of origin to point of consumption, to plan, source, make, and deliver form, time, and place value. a. maximum b. summation c. minimum d. average

summation

The _____________, developed by the Supply Chain Council (SCC), is a standard supply chain process framework that enables effective communication among the supply chain partners, by using standard terminology to better communicate and learn the supply chain issues and standard metrics to compare and measure their performance. a. strategic profit model (DuPont model) b. supply chain operations reference model (SCOR) c. balanced scorecard (BSC) d. financial reporting (Balance Sheet/Income statement)

supply chain operations reference model (SCOR)

which of the following supply chain performance metrics measures the average percentage of orders that arrive on time, complete and damage free? a. supply chain cash to cash cycle time b. total supply chain management costs c. supply chain perfect order fulfillment performance d. supply chain delivery performance

supply chain perfect order fulfillment performance

which of the following will have a negative net flow in a minimum cost network flow problem? a. supply nodes b. transshipment nodes c. demand nodes d. arc capacities

supply nodes

which of the following is considered a decision variable in the production mix of maximizing profit? a. the selling price of each product b. the amount of raw material purchase for production c. the amount of each product to use d. the number of product types to offer

the amount of each product to use

which of the following statements is NOT one of the disadvantages of simulation? a. the summary of the simulation data only provides estimates about the real system b. the process of developing a simulation model of a complex system can be time-consuming. c. each simulation run only provides a sample of how the real system will operate d. the larger the number of probabalistic inputs a system has, the less likely a simulation will provide the best approach for studying the system

the larger the number of probabalistic inputs a system has, the less likely a simulation will provide the best approach for studying the system

which of the following is NOT an assumption of a shortest path problem? a. associated with each link or arc is a nonnegative number called its length b. a path through the network must be chosen going from the origin to the destination c. the lines connecting certain pairs of nodes always allow travel in either direction d. the objective is to find a shortest path from the origin to the destination

the lines connecting certain pairs of nodes always allow travel in either direction

which of the following is NOT an assumption of a maximum flow problem? a. the objective is to maximize the total amount of flow from the source to the sink b. all flow through the network originates at one node, called the source c. all flow through the network ends at one node, called the sink d. the minimum amount of flow through an arc is given by the capacity of the arc.

the minimum amount of flow through an arc is given by the capacity of the arc.

an integer programming (maximization) problem was first solved as a linear programming problem, and the objective function value (profit) was $253.67. The two decision variables (x, y) in the problem had values of x = 12.45 and y = 32.75. If there is a single optimal solution, which of the following must be true for the optimal integer solution to this problem? a. x = 12, y = 32 b. the objective function value will be greater than $253.67 c. the objective function value will be less than $253.67 d. x = 12, y = 33

the objective function value will be less than $253.67

dwell time ____________. a. the ratio of the days inventory sits idle in the supply chain to the days it is being productively used or positioned b. a key concept in manufacturing efficiency c. a key component of system design d. the total time inventory is waiting to be processed

the ratio of the days inventory sits idle in the supply chain to the days it is being productively used or positioned

for a minimum cost network flow problem to have a feasible solution, which of the following must be true? a. there is an equal amount of supply and demand b. there is an equal number of supply and demand nodes c. 25% of the allowable increase of that coefficient d. the lines connecting certain pairs of nodes always allow travel in either direction

there is an equal amount of supply and demand

which of the following is NOT an assumption of a minimum cost network flow problem? a. the objective is either to minimize the total cost to maximize the total profit b. at least one of the nodes is a supply node c. the cost of the flow through each arc is proportional to the amount of that flow d. there is an equal number of supply and demand nodes

there is an equal number of supply and demand nodes

a disadvantage of the simple what-if analyses is that: a. the optimal solutions are guaranteed b. there are no errors induced because of rounding c. it can compute alternative optimal solutions d. there is no indication of the likelihood of various output values

there is no indication of the likelihood of various output values

which of the following is NOT a problem with using cost, revenue or profit as performance measures? a. they are difficult to compare with other firms b. it is difficult to attribute costs to various functional units c. cost and profit information could be hidden or manipulated d. weaknesses in functional areas are not identified

they are difficult to compare with other firms

logistics executives must be positioned to demonstrate how supply chain practices and processess affect the overall financial health of the organization. indicate from the statements below, which one is NOT a deficiency of a traditional function assessment reports: a. they lack an innovation perspective b. they direct improvements at the functional level c. there is a persistent bias toward cost and traditional customer service d. inability to reflect a true shareholder's financial perspective in the scorecard

they direct improvements at the functional level

in the terms of the importance of warehousing to overall operations, indicate which one of the following statements answers the questions: Why do companies primarily hold inventories? a. to acheive transportation economies b. to decrease service level offerings c. to meet stable and predictable market conditions d. to achieve cost maximization

to acheive transportation economies

in which of the following situations should we NOT use the transportation method of linear programming? a. to determine which corner of a street intersection to locate a retail service facility b. to minmize the costs of shipping "n" units to "m" destinations c. to find a new site location for plant d. to maximize profits of shipping "n" units to "m" destinations

to determine which corner of a street intersection to locate a retail service facility

the total relevant value orientation concept states that: a. total relevant value = total cost of ownership + customer value b. total relevant value = total cost of ownership/customer value c. total relevant value = total cost of ownership - customer value d. total relevant value = total cost of ownership x customer value

total relevant value = total cost of ownership + customer value

for maximization problems, the optimal relaxed objective function is an ____________ bound on the optimal integer value. For minimization problems, the optimal relaxed objective function values is a __________________ bound on the optimal integer value. a. lower, upper b. lower, lower c. upper, upper d. upper, lower

upper, lower

choosing to locate a manufacturing facility in the Tennessee Valley due to low electricity cost and plentiful energy supply involves which location decision consideration? a. utility availability and cost b. environmental issues c. proximity to markets d. land availability and cost

utility availability and cost

the process of comparing a model to the real system that it represents to make sure it is accurate is called: a. validation b. verification c. simulation d. experimentation

validation

a __________ is a set of activities that a firm operating in a specific industry performs in order to deliver a valuable product (good and/or service) for the market. a. profit chain b. value chain c. customer chain d. process chain

value chain

the process of determining that the computer model is internally consistent and following the logic of the conceptual model is called: a. validation b. simulation c. experimentation d. verification

verification

the key financial consideration in choosing between private and outsourced 3PL distribution is: a. type of product being handled b. compentency of in-house staff c. warehouse location(s) d. volume of product being moved

volume of product being moved

the Great Divide reflects a condition wherein achieved integration is partial but not complete. It occurs when the firm cannot accomodate sufficient change to transform from a functional to a process orientation. Indicate which one of the following statements DOES NOT contribute to this condition: a. when management uses primarily inventory to leverage economies of scale b. when managers view knowledge as power, and unwillingness to share knowledge is common c. when the measurement and reward systems encourages managers to view specific functions as contributing to stand-alone performance d. when the information infrastructure is centralized and shared across all levels of the organization

when the information infrastructure is centralized and shared across all levels of the organization

in an integer programming problem, if it is desired to have variable X be exactly twice the value of variable Y, the constraint would be written: a. x - 2y = 0 b. 2x - y = 0 c. x + 2y = 0 d. 2x + y = 0

x - 2y = 0

Let x1 and x2 be binary variables whose values indicate whether projects 1 and 2 are not done (0) or are done (1). Which answer below indicates that project 2 can be done only if project 1 is done? a. x1 + x2 = 2 b. x1 - x2 <= 0 c. x1 - x2 >= 0 d. x1 + x2 = 1

x1 - x2 >= 0

If xij = the production of product i in period j, then to indicate that the limit on product of 3 products in period 2 is 400: a. x32 <= 400 b. x12 + x22 + x32 <= 400 c. x23 <= 400 d. x21 + x22 + x23 <= 400

x12 + x22 + x32 <= 400