WGU Operations Management (C215, VDC2) 온라인 연습
최종 업데이트 시간: 2026년03월31일
당신은 온라인 연습 문제를 통해 WGU Operations Management 시험지식에 대해 자신이 어떻게 알고 있는지 파악한 후 시험 참가 신청 여부를 결정할 수 있다.
시험을 100% 합격하고 시험 준비 시간을 35% 절약하기를 바라며 Operations Management 덤프 (최신 실제 시험 문제)를 사용 선택하여 현재 최신 70개의 시험 문제와 답을 포함하십시오.
정답:
Explanation:
Comprehensive and Detailed Explanation (≈250 words):
The formula Actual output / standard output indicates whether a fast-food restaurant is performing at, above, or below its benchmark.
This ratio compares real performance against a predefined standard. A value:
Equal to 1 means performance meets the benchmark
Greater than 1 means performance exceeds expectations
Less than 1 indicates underperformance
Benchmarks are critical in Operations Management for:
Performance evaluation
Labor productivity measurement
Process control
The other formulas measure utilization, velocity, or productivity, but do not directly reference a benchmark.
By comparing actual output to standard output, managers can quickly assess operational effectiveness and identify areas requiring corrective action.
정답:
Explanation:
Process velocity is computed using the ratio:
Process Velocity = Throughput Time / Value-Added Time
This metric measures how efficiently time is used within a process. A high ratio indicates excessive nonCvalue-added time, such as waiting, moving, or rework.
Operations Management focuses on reducing throughput time while maximizing value-added activities. Process velocity highlights inefficiencies that are often invisible in traditional productivity measures.
The other formulas measure different concepts:
Resource utilization (A)
Performance efficiency (B)
Productivity (D)
A low process velocity (closer to 1) indicates a lean, efficient process, while high values suggest opportunities for improvement.
정답:
Explanation:
Comprehensive and Detailed Explanation (≈250 words):
A bottleneck is the longest task in the process, limiting the overall system throughput.
In Operations Management, the bottleneck determines the maximum capacity of the entire system.
No matter how efficient other stages are, output cannot exceed the bottleneck’s capacity.
Bottlenecks cause:
Queue buildup
Increased waiting time
Underutilization of downstream resources
Identifying bottlenecks through flowcharts and process mapping is essential for process improvement. Once identified, managers can:
Add capacity
Reallocate resources
Improve task methods
Reduce variability
The other options do not define bottlenecks:
Independent stages do not restrict flow
Production leveling smooths output
Storage areas indicate inventory, not constraints
The Theory of Constraints reinforces that improving non-bottleneck stages has little impact unless the bottleneck is addressed.
정답:
Explanation:
An automobile collision shop performing body repair, engine repair, and custom paint jobs requires both project and batch processes.
A project process is appropriate because many repair jobs are unique, varying in scope, damage severity, customer requirements, and repair time. Each vehicle may require a distinct sequence of tasks, making standardized flow impractical.
A batch process is suitable for activities such as painting or part refurbishment, where similar tasks are grouped together to improve efficiency. For example, multiple vehicles may be painted in the same color batch to reduce setup time and material waste.
Line and continuous processes are unsuitable because:
Repairs are not standardized
Volume is relatively low
Customization is high
Operations Management emphasizes aligning process type with product variety and volume. This hybrid approach allows flexibility while maintaining efficiency where possible.
정답:
Explanation:
Line processes and continuous processes are the two operational process types characterized by highly repetitive activities.
A line process involves standardized products moving through a fixed sequence of steps. Each workstation performs the same task repeatedly, making it ideal for high-volume, low-variety production. Examples include automobile assembly lines and consumer electronics manufacturing.
A continuous process goes a step further, operating 24/7 with extremely high volume and minimal variation. Production flows continuously rather than in discrete units. Industries such as oil refining, chemicals, and paper manufacturing use continuous processes.
The other options are not primarily repetitive:
Project processes are unique, one-time efforts (e.g., construction projects)
Batch processes involve moderate repetition but frequent changeovers between batches
Operations Management classifies processes based on volume and variety. Line and continuous processes sit at the high-volume, low-variety end of the spectrum, making repetition unavoidable and necessary for efficiency.
Repetitive processes enable:
High labor productivity
Low unit cost
Process automation
Consistent quality
However, they also require careful work system design to avoid worker fatigue and quality drift.
정답:
Explanation:
The center-of-gravity approach is the most appropriate tool for determining the optimal location of a distribution center when the goal is to minimize total transportation costs.
This method calculates a weighted average location based on:
Geographic coordinates of demand points
Volume shipped to each location
The result identifies a location that minimizes the overall distance-weighted transportation cost.
Other options serve different purposes:
Load-distance models compare alternative sites
Transportation methods optimize shipping routes, not facility location
Break-even analysis compares cost structures, not spatial efficiency
In Operations Management, the center-of-gravity approach is widely used for strategic distribution planning because it provides a quantitative, objective basis for location decisions.
정답:
Explanation:
Comprehensive and Detailed Explanation (≈250 words):
The dominant factor in locating a business near its primary market territory is proximity to customers.
From an Operations Management perspective, closeness to customers:
Reduces transportation and delivery time
Improves service responsiveness
Enhances customer satisfaction
Supports demand growth
This is especially critical for service organizations and distribution-intensive businesses, where customer access and speed are competitive advantages.
While proximity to labor is important, it does not define market territory. Community centers and parks are not operational drivers.
Locating near customers aligns capacity with demand, minimizes logistics complexity, and strengthens market presence.
정답:
Explanation:
When conducting a location analysis, firms must consider proximity to sources of supply and site considerations as key capacity-related factors.
Proximity to sources of supply affects:
Transportation cost and reliability
Lead times
Inventory requirements
Production continuity
Reliable supply access directly influences effective capacity by reducing disruptions and variability.
Site considerations include:
Land availability and cost
Infrastructure and utilities
Expansion potential
Zoning and regulatory constraints
These factors determine how much capacity can be installed, expanded, and operated efficiently over time.
The other options are less relevant:
Throughput time is a process performance metric
Employee relations are important but not capacity measurement concepts
Operations Management emphasizes that capacity decisions are long-term and capital-intensive.
Poor location choices constrain future capacity, flexibility, and growth.
정답:
Explanation:
Comprehensive and Detailed Explanation (≈250 words):
The best operating level of capacity occurs when the average unit cost is minimized.
In Operations Management, the best operating level reflects the most economical output rate for a process or facility. At this level:
Fixed costs are spread efficiently
Variable costs are controlled
Congestion and inefficiencies are minimized
Operating below this level leads to underutilization and high unit costs, while operating above it often causes overcrowding, overtime, equipment breakdowns, and quality problems, which increase costs.
Option A is incorrect because the minimum point of the total cost curve does not necessarily correspond to minimum average unit cost.
Option B is incorrect because maximum capacity typically increases costs due to inefficiencies.
Option D focuses on total cost, not unit efficiency.
Thus, the best operating level balances efficiency and flexibility, ensuring sustainable performance and cost control.
정답:
Explanation:
Effective capacity represents the maximum output a system can realistically achieve under normal operating conditions. It is always lower than design capacity, which assumes ideal, uninterrupted conditions.
Statement A is correct because effective capacity accounts for:
Scheduled maintenance
Breaks and shift changes
Setup times
Normal inefficiencies
Statement B is also correct because effective capacity is considered a stable, ongoing measure used for operational planning and performance evaluation. It reflects how a system is designed to operate sustainably over time, not temporarily.
Statement C is incorrect because effective capacity is not a short-term or temporary measure; it is used consistently for planning, scheduling, and forecasting.
Statement D is incorrect because effective capacity does not define a minimum output level―it defines a realistic maximum under expected conditions.
In Operations Management, effective capacity is essential for:
Capacity utilization calculations
Aggregate planning
Location and facility decisions
Bottleneck analysis
By distinguishing between design and effective capacity, managers avoid unrealistic expectations and plan resources more accurately, reducing congestion, overtime, and quality problems.
정답:
Explanation:
Comprehensive and Detailed Explanation (≈250 words):
Capacity utilization measures how much of a company’s available capacity is actually being used.
It is calculated as:
Capacity Utilization = Actual Output / Design or Effective Capacity
In Operations Management, capacity utilization provides insight into:
Operational efficiency
Resource usage
Potential bottlenecks or underutilization
High utilization may indicate efficiency but can also lead to congestion, fatigue, and quality problems. Low utilization suggests excess capacity and higher unit costs.
The other terms describe different concepts:
Design capacity is the maximum theoretical output
Effective capacity accounts for normal disruptions
Capacity focus refers to strategic specialization
Capacity utilization helps managers balance efficiency with flexibility, making it a core performance metric in both manufacturing and service operations.
정답:
Explanation:
Capacity planning is the process that helps organizations identify and plan the actions required to meet current and future customer demand.
In Operations Management, capacity planning ensures that an organization has the right amount of resources at the right time. These resources may include labor, equipment, facilities, and technology.
Capacity planning involves:
Forecasting demand
Evaluating existing capacity
Identifying capacity gaps
Selecting capacity adjustment strategies (e.g., overtime, subcontracting, expansion)
Without capacity planning, organizations risk:
Excess capacity and high costs
Insufficient capacity and lost sales
Poor service levels and customer dissatisfaction
Production capacity alone is static, while capacity planning is dynamic and forward-looking.
Economic conditions influence demand but do not provide actionable operational plans.
Capacity planning aligns operations strategy with business strategy and supports sustainable growth.
정답:
Explanation:
Comprehensive and Detailed Explanation (≈250 words):
The most critical factor in a service company’s location analysis is proximity to customers.
Service operations differ fundamentally from manufacturing because the service is often produced and consumed simultaneously. As a result, customer access, convenience, and responsiveness are central determinants of demand and satisfaction.
From an Operations Management perspective, proximity to customers:
Reduces waiting and travel time
Increases service usage frequency
Improves customer perception of reliability and availability
Enables faster response to service failures
Examples include healthcare facilities, retail stores, hospitality, and professional services. In all cases, distance acts as a demand deterrent.
The other options are secondary:
Community relations are important but not decisive
Best operating level and effective capacity are internal capacity measures, not location drivers
Thus, service location strategy prioritizes market access over production efficiency, reinforcing customer-centric operations.
정답:
Explanation:
For service organizations, proximity to customers and quality-of-life issues are two dominant factors in location decisions.
Unlike manufacturing, service operations require direct customer contact. Being close to customers reduces travel time, improves convenience, enhances responsiveness, and increases perceived service quality. Examples include hospitals, banks, restaurants, and consulting offices, where location accessibility directly influences demand.
Quality-of-life issues―such as education, healthcare, housing, safety, climate, and cultural amenities―affect the ability to attract and retain skilled service employees. Human capital is a critical input in service operations, and workforce availability often outweighs cost considerations.
The other options are less relevant:
Manufacturing proximity matters mainly for production facilities Warehouse storage is a logistics concern, not a service driver
Operations Management emphasizes that service location decisions balance customer access and employee satisfaction, since both directly influence service quality, productivity, and long-term sustainability.
정답:
Explanation:
Emergency rooms often use screening and fast-tracking patients with minor ailments to reduce perceived and actual waiting times. This strategy is a well-established service operations capacity-management technique.
From an Operations Management perspective, emergency departments face high variability in demand and processing times, which leads to congestion and long queues. Treating all patients strictly in arrival order (first-come, first-served) is operationally inefficient because patients require very different levels of care.
Fast-tracking works by:
Separating low-complexity cases from critical cases
Allocating dedicated resources to minor treatments
Reducing bottlenecks at key treatment stages
This approach improves flow efficiency, patient satisfaction, and throughput without increasing total capacity. It aligns with queue management principles and the concept of segmented service design, where different customer needs are handled through different process paths.
The other options are inferior operationally:
Scheduling follow-ups for severe cases is clinically unsafe
Sending patients elsewhere shifts the problem, not solves it
Strict arrival order ignores service-time variability
Fast-tracking addresses both operational efficiency and perceived service quality, which is particularly critical in high-contact service systems such as healthcare.