SAP S/4HANA Cloud Private Edition - Production Planning and Manufacturing Exam (C_TS422_2023) PDF
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2023
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This is a SAP S/4HANA Cloud Private Edition - Production Planning and Manufacturing exam (C_TS422_2023) past paper. It covers topics such as production order creation, forecasting in supply chain planning, repetitive manufacturing, and planning procedures. The paper is suitable for IT professionals studying for certification.
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IT Certification Guaranteed, The Easy Way! Exam : C_TS422_2023 Title : SAP S/4HANA Cloud Private Edition - Production Planning and Manufacturing Vendor : SAP Version : V12.95 1 ...
IT Certification Guaranteed, The Easy Way! Exam : C_TS422_2023 Title : SAP S/4HANA Cloud Private Edition - Production Planning and Manufacturing Vendor : SAP Version : V12.95 1 IT Certification Guaranteed, The Easy Way! NO.1 During production order creation several valid production versions are found. How does the system choose the production version? A. Alphanumeric or quota arrangement B. Planned order or material number C. Validity period or sales order D. Lot size or material cost Answer: A NO.2 Which SAP applications can be used for forecasting in Supply Chain Planning? Note: There are 2 correct answers to this question. A. Integrated Business Planning (IBP) B. Supply Chain Management (SCM) C. Material Requirements Planning (MRP) D. Capacity Requirements Planning (CRP) Answer: A,B NO.3 What does a line hierarchy in repetitive manufacturing represent? A. A production line with more than one work center B. A production line with an alternative sequence in the routing C. A production line with a parallel sequence in the routing D. A production line with prioritized alternative work centers Answer: A NO.4 What determines whether the planned independent requirements in dem management are consumed by other requirements? Note: There are 2 correct answers to this question. A. Order type B. Requirements profile C. Requirements type D. Planning strategy Answer: C,D NO.5 You want to reduce planning efforts for B C classified materials. Which planning procedure do you recommend? A. Consumption Based Planning B. Subassembly Planning C. Advanced Planning D. Material Requirements Planning Answer: A NO.6 How can you set up a material as a phantom assembly? Note: There are 2 correct answers to this question. A. Select a special procurement type inside the material master. B. Use a special item category in your material BOM (bill of material). 2 IT Certification Guaranteed, The Easy Way! C. Select a special MRP type inside the material master. D. Define the special procurement type inside the material BOM (bill of material). Answer: A,D NO.7 Where do you maintain data to determine the duration of an operation for production? Note: There are 2 correct answers to this question. A. Work center B. Material master C. Routing D. Production version Answer: A,C NO.8 Your quality department detects a deviation in a raw material batch. Unfortunately this batch has already been used in production. How can you identify all affected finished goods stocks? Note: There are 2 correct answers to this question. A. Use the Batch Information Cockpit. B. Use batch determination. C. Use batch derivation. D. Use the batch whereused list. Answer: A,D NO.9 What time element of midpoint scheduled operations can be reduced by reduction strategy settings while dispatching? Note: There are 2 correct answers to this question. A. Queue time B. Teardown time C. Move time D. Setup time Answer: A,C NO.10 Which time elements are relevant for lead time scheduling of a production order? Note: There are 2 correct answers to this question. A. Opening period B. Total replenishment lead time C. Float after production D. Setup time Answer: C,D NO.11 What is a prerequisite for consumption of planned independent requirements to take place for planning strategy 40 (Planning with final assembly)? A. MRP creates a dependent requirement. B. A sales order is delivered. C. MRP creates a planned order. D. A sales order is created. 3 IT Certification Guaranteed, The Easy Way! Answer: D NO.12 You want to set up a maketoorder planning scenario for a finished product. The bill of material contains two components: one should be procured for eac sales order individually the other should be procured jointly for all independent requirements. Forecasting for the finished product is NOT possible. Which settings do you make to achieve this? A. Choose planning strategy 50 (Planning without final assembly) select the corresponding Individual/Collective indicator. B. Choose planning strategy 20 (MaketoOrder) select the corresponding Mixed MRP indicator. C. Choose planning strategy 50 (Planning without final assembly) select the corresponding Mixed MRP indicator. D. Choose planning strategy 20 (MaketoOrder) select the corresponding Individual/Collective indicator. Answer: D NO.13 Which alternative item strategies are available in bills of material (BOMs) in SAP S/4HANA Cloud Private Edition? Note: There are 2 correct answers to this question. A. First in first out (FIFO) B. Simultaneous C. Manual maintenance D. 100% check Answer: C,D NO.14 Which options do you have to plan both quantities capacities during line loading in repetitive manufacturing? Note: There are 2 correct answers to this question. A. Assign planned orders manually in the planning table. B. Run MRP with quota arrangement. C. Run MRP with automatic selection of production version. D. Run PP/DS heuristics for repetitive manufacturing. Answer: B,D NO.15 Your production planners are allowed to execute planning only for specific resources. How can you achieve this in Advanced Planning (PP/DS)? A. Use a resource group. B. Use a planning group. C. Use a propagation range. D. Use a planning area. Answer: A NO.16 Under what circumstances can you change the material type for a material if stocks reservations or purchasing documents exist? Note: There are 2 correct answers to this question. A. The quantity value updates are the same. B. The same batch management level is used. 4 IT Certification Guaranteed, The Easy Way! C. The same base unit of measure is used. D. The same account category is used. Answer: A,D NO.17 What are the possible results of a production planning run in Advanced Planning (PP/DS)? Note: There are 2 correct answers to this question. A. Planned order B. Scheduling agreement schedule line C. Production order D. Purchase order Answer: A,B NO.18 Which of the following processes lead to an entry in the MRP planning file? Note: There are 2 correct answers to this question. A. Changing the delivery address in transportation management B. Changing the storage bin in warehouse management C. Changing the procurement type in the product master D. Changing the stock in inventory management Answer: C,D NO.19 Which time elements does MRP consider in backward scheduling to determine the basic dates for components from depender Note: There are 2 correct answers to this question. A. Planned delivery time B. Total replenishment lead time C. Operation duration D. Inhouse production time Answer: A,D NO.20 How can a material availability check be triggered automatically for a production order? Note: There are 2 correct answers to this question. A. By capacity planning B. By order confirmation C. By order release D. By mass processing Answer: C,D NO.21 What is the difference between coproducts byproducts?Note: There are 2 correct answers to this question. A. Only coproducts have a nonzero inventory valuation. B. Only coproducts have movement type 531. C. Only coproducts have movement type 101. D. Only coproducts appear in the process or production order settlement rule. Answer: C,D 5 IT Certification Guaranteed, The Easy Way! NO.22 Your quality department detects a deviation in a raw material batch. Unfortunately this batch has already been used in production. How can you identify all affected finished goods stocks? Note: There are 2 correct answers to this question. A. Use batch determination. B. Use the Batch Information Cockpit. C. Use the batch whereused list. D. Use batch derivation. Answer: B,C NO.23 Which of the following automation options can you use for production orders? Note: There are 2 correct answers to this question. A. You can use trigger points to automatically create rework orders via confirmations. B. You can use mass processing to set production orders to technically complete. C. You can use the production scheduling profile to automatically set orders to technically complete. D. You can use mass processing to read PP master data for production orders. Answer: A,B NO.24 Which time elements are part of a routing operation? Note: There are 3 correct answers to this question. A. Wait time B. Float before production C. Processing time D. Pick time E. Setup time Answer: A,C,E NO.25 You are a consultant on an SAP S/4HANA Cloud brownfield project. In a meeting the customer decides to remodel an existing business process in accordance with clean core principles. Which of the following SAP Signavio solutions can be used for the remodeling? A. SAP Signavio Process Intelligence B. SAP Signavio Process Manager C. SAP Signavio Process Governance D. SAP Signavio Process Insights Answer: B,C NO.26 Your company produces a finished good based on a forecast expects it to be in stock when customers order it. If customers order more than the forecasted quantity this must NOT have any impact on the production program. Which planning strategy do you use? A. Assembly processing with production orders (82) B. Planning with final assembly (40) C. Planning without final assembly (50) 6 IT Certification Guaranteed, The Easy Way! D. Maketostock production (10) Answer: D NO.27 What information do you have to maintain to define the relationship between supply source dem source in the Kanban process? Note: There are 2 correct answers to this question. A. Routing B. Work Center C. Replenishment strategy D. Production supply area Answer: C,D NO.28 You want to insert an operation at a certain time on a work center in the graphical planning table. The planning direction is forward. The desired dispatching time coincides with an operation that has previously been dispatched. How does the insertion take place? A. The previously dispatched operation stays as is; the new operation is inserted before the dispatched operation. B. The previously dispatched operation stays as is; the new operation is inserted after the dispatched operation. C. The new operation is inserted at the desired time; the previously dispatched operation is moved forward. D. The new operation is inserted at the desired time; the previously dispatched operation is moved backward. Answer: D NO.29 What can you use stard heuristics in Advanced Planning (PP/DS) for? A. To automate material movements in material staging B. To set default values in production master data C. To solve planning problems for defined objects D. To optimize costs times in production plans Answer: C NO.30 Which chart types does the tabular planning table for capacity planning provide in SAP S/4HANA Cloud Private Edition? Note: There are 2 correct answers to this question. A. Order (pool) chart B. Capacity requirements chart C. Orders (dispatched) chart D. Work center capacities chart Answer: B,D NO.31 How would you define pegging in the context of Advanced Planning? A. An evaluation that is ordered according to the billofmaterial structure of all related products represents the relationship between the receipt the issue elements 7 IT Certification Guaranteed, The Easy Way! B. An evaluation to identify overstock situations in the balance between the receipt the issue elements after the production planning run C. An evaluation that is ordered according to the network structure of all related products represents the coverage of issue elements with receipt elements stock D. An evaluation to identify material or capacity shortages in the billofmaterial structure after the production planning run Answer: A NO.32 You are trying to create a production order NO valid production version can be selected. What could be the reasons? Note: There are 2 correct answers to this question. A. The order lot size is NOT within the validity range of a production version. B. NO production lines are assigned to the production versions. C. All production versions for the material are locked. D. NO bills of material (BOMs) are assigned to the production versions. Answer: A,C NO.33 Where does the system check master data selection settings during the creation of planned orders production orders? Note: There are 3 correct answers to this question. A. In the production version B. In the work centers C. In the bill of material (BOM) D. In the MRP controller E. In the routing Answer: C,D,E NO.34 What does forecasting in the dem planning cycle include? Note: There are 3 correct answers to this question. A. Oneoff events B. Past production planning quantities C. Past quotation quantities D. Market intelligence E. Past sales order quantities Answer: A,D,E NO.35 Where do you maintain the work center that represents the production line for repetitive manufacturing? Note: There are 2 correct answers to this question. A. Production cost collector B. Production version C. Repetitive manufacturing profile D. Routing Answer: B,D NO.36 What data can you maintain in the subitems of a bill of material (BOM)? Note: There are 2 8 IT Certification Guaranteed, The Easy Way! correct answers to this question. A. Quantity B. Status C. Installation point D. Scrap percentage Answer: A,C NO.37 How are dependent requirements for assemblies created? Note: There are 2 correct answers to this question. A. They are created together with the independent requirement for the finished product. B. They are created on assembly level during the planning run. C. They are created with exact times in Advanced Planning. D. They are only created for multilevel bill of material (BOM) structures. Answer: B,C NO.38 You have a scheduling agreement with a vendor. You want classic MRP to automatically create schedule lines in case of material shortage. What must you do? Note: There are 2 correct answers to this question. A. Set the creation indicator for purchase requisitions on the initial screen of the MRP run. B. Add the agreement to the source list mark it for MRP relevance. C. Set the creation indicator for delivery schedule lines on the initial screen of the MRP run. D. Add the agreement to the quota arrangement mark it for MRP relevance. Answer: B,C NO.39 Your company manufactures materials whose characteristics differ for each manufacturing process. Which application do you have to use in SAP S/4HANA Cloud Private Edition to be able to track use this information in all areas of logistics? A. Process order management B. Engineering change management C. Quality management D. Batch management Answer: D NO.40 Which of the following are features of the clean core dashboard? Note: There are 2 correct answers to this question. A. Customers can grant access to the dashboard to partners. B. Customers can use the dashboard in the dev test production tenants. C. It can be accessed by using SAP For Me. D. It can be used in all SAP S/4HANA Cloud editions. Answer: A,C NO.41 You want to create a production order. What methods can you use? 9 IT Certification Guaranteed, The Easy Way! Note: There are 2 correct answers to this question. A. Convert a purchase requisition B. Create without material C. Create by order release D. Create in Kanban process Answer: B,D NO.42 What could be the reason for multiple commitments where several operations have the same scheduled dates on a work center after dispatching? Note: There are 2 correct answers to this question. A. The Finite Scheduling indicator is NOT set in the strategy profile. B. The work center has several individual capacities. C. Alternative work centers are fully occupied. D. The Change Planning Direction indicator is set in the strategy profile. Answer: A,B NO.43 What options does a planner have in the planning table for repetitive manufacturing? Note: There are 2 correct answers to this question. A. Change the assignments of production quantities to production lines. B. Create new production quantities. C. Dispatch operations to work centers. D. Reschedule deallocate operations. Answer: A,D NO.44 Advanced Planning uses master data from SAP S/4HANA Cloud Private Edition. In which data objects can you set the Advanced Planning flag? Note: There are 2 correct answers to this question. A. Work center B. Plant C. Production version D. Material Answer: A,D NO.45 How can you limit the validity of a bill of material (BOM)? Note: There are 2 correct answers to this question. A. By material type B. By plant C. By period D. By material status Answer: B,C NO.46 Which information is required when you create a product master in SAP S/4HANA Cloud Private Edition? Note: There are 2 correct answers to this question. A. Base unit of measure 10 IT Certification Guaranteed, The Easy Way! B. Industry sector C. Selection screen for views D. Product type Answer: A,B NO.47 How can you achieve a feasible production plan in case of capacity constraints? Note: There are 3 correct answers to this question. A. Execute an infinite production planning run for the critical resources. B. Reduce the planning time interval. C. Determine a time period with available capacity on the planning board. D. Increase the capacity supply in a timephased interval. E. Form optimum sequences to reduce setup times. Answer: C,E,D NO.48 For production orders cost object controlling (COC) can be carried out on an order related or product related basis. Which of the following do you have to consider? Note: There are 2 correct answers to this question. A. Productrelated COC is used in manufacturing for coproducts. B. In productrelated COC all costs are debited credited to a product cost collector. C. In orderrelated COC individual production orders do NOT have cost segments. D. Orderrelated COC is beneficial in a flexible production environment. Answer: B,D NO.49 Your project uses process orders for the production of liquid chemicals. What can you define to ensure that production flow only happens in suitable physically connected tanks? Note: There are 2 correct answers to this question. A. Resource hierarchy B. Resource selection C. Resource matrix D. Resource network Answer: B,D NO.50 Why would you use phantom assemblies? Note: There are 3 correct answers to this question. A. To simplify the structure of bills of material B. To reduce the number of changes required in bills of material C. To reduce the number of material masters D. To make the assignment of components easier E. To increase the number of planning levels Answer: A,B,D NO.51 You are a consultant on an SAP S/4HANA Cloud Greenfield project. Which of the following aspects should you focus on to achieve maintain clean core data quality? 11 IT Certification Guaranteed, The Easy Way! Note: There are 2 correct answers to this question. A. Efficiency B. Accuracy C. Timeliness D. Stability Answer: A,D NO.52 What is a work center hierarchy? A. A group of alternative work centers for production structured in hierarchy levels by priorities B. A group of alternative work centers providing a cumulative available capacity for production C. A group of work centers in a production line being used in sequence for production D. A group of work centers in a parallel sequence that is used to split production quantities work on them in parallel Answer: B NO.53 How can you set up the supply source for the Kanban process in SAP S/4HANA Cloud Private Edition? Note: There are 3 correct answers to this question. A. Use run schedule quantities for inhouse production. B. Use stock transfer reservations for stock transfer. C. Use purchase orders for external procurement. D. Use quotations for internal external procurement. E. Use purchasing costs for automated source prioritization. Answer: A,B,C NO.54 For a production version to be valid consistent what requirements must be fulfilled? Note: There are 3 correct answers to this question. A. The deletion flag must NOT be set for the bill of material (BOM) or the routing. B. The consistency check must be performed. C. The assigned routing bill of material (BOM) must be valid in the entire validity period. D. The assigned routing bill of material (BOM) must have the same validity period. E. The lot size range must be within the lot size range of the assigned routing. Answer: A,C,E NO.55 Which master data fields can have an impact on whether MRP creates planned orders or purchase requisitions for a material? Note: There are 2 correct answers to this question. A. Procurement type B. Material type C. MRP type D. MRP group Answer: A,B NO.56 You want to use capacity availability checks for production orders. Which settings have to be made for this? 12 IT Certification Guaranteed, The Easy Way! Note: There are 2 correct answers to this question. A. The Relevant for Finite Scheduling indicator must be set. B. The scope of check must be defined in Customizing. C. A checking rule must be assigned to the work centers. D. An overall profile must be assigned in the checking control. Answer: A,D NO.57 How can you support a GMP (Good Manufacturing Practice) compliant production process? Note: There are 3 correct answers to this question. A. Digital signature B. Approved resources C. Recipe approval D. GMPcompliant flag E. Batch record Answer: A,C,E NO.58 In your plant MRP is activated. Which options do you have to exclude a material from the MRP run? Note: There are 2 correct answers to this question. A. Use a specific MRP list. B. Use a specific material status. C. Use a specific material group. D. Use a specific MRP type. Answer: B,D NO.59 What are the options if the Dispatched operation status is set for a production order operation? Note: There are 2 correct answers to this question. A. You can reschedule the operation using lead time scheduling. B. You can reschedule the operation using infinite scheduling in a planning table. C. You can reschedule the operation using finite scheduling in a planning table. D. You can reschedule the operation in the Manage Work Center Capacity app. Answer: C,D NO.60 Why do you use Engineering Change Management? Note: There are 2 correct answers to this question. A. To monitor document table changes B. To enable integration into a sales order C. To save multiple changes for an object D. To monitor document object changes Answer: C,D NO.61 Which of the following elements does MRP take into account during net requirement calculation? Note: There are 2 correct answers to this question. 13 IT Certification Guaranteed, The Easy Way! A. Production orders B. Planned orders (firmed) C. Planned orders (unfirmed) D. ATP quantities Answer: A,B NO.62 What could be the reason for different combinations of components in a multiple bill of material (BOM)? Note: There are 2 correct answers to this question. A. Manufacturing date B. BOM header status C. BOM component status D. Lot size Answer: A,D NO.63 What are some benefits of planning with planned independent requirements for finished materials? Note: There are 2 correct answers to this question. A. Reduced delivery times B. Reduced times for final assembly C. Option to forecast planning for production resources D. Option to use maketoorder production Answer: A,B NO.64 What does the material type influence? Note: There are 2 correct answers to this question. A. Which document types class categories are allowed B. Which plantspecific plantindependent statuses are allowed C. Which material master screens appear in which sequence D. Whether the material is produced inhouse procured externally or both Answer: A,C NO.65 Your project team decides to use a maketoorder planning strategy for a strategic material in discrete manufacturing. What are the impacts of this decision? Note: There are 3 correct answers to this question. A. Net requirements calculation is carried out for every sales order individually. B. Production orders are created with sales order reference. C. Storage location MRP areas are required for salesorderspecific stock. D. Both the reduction of maketoorder stock requirements occur on delivery. E. Sales orders have to be ATPconfirmed (availabletopromise) to be saved. Answer: A,B,E NO.66 Which stard item categories can you select inside a bill of material (BOM)? Note: There are 2 correct answers to this question. A. Variablesize item 14 IT Certification Guaranteed, The Easy Way! B. Work item C. Preliminary item D. WBS item Answer: A,C NO.67 Mode selection is one of the scheduling options available with Advanced Planning in SAP S/4HANA Cloud Private Edition. When can you use mode selection? A. When several operations are maintained for one product B. When alternative resources are used within one operation C. When several production versions are maintained for one product D. When multiple planned orders are scheduled in parallel on one resource Answer: B NO.68 Which of the following questions do you have to answer before you start creating a bill of material (BOM)? Note: There are 2 correct answers to this question. A. In which storage location is the BOM required? B. Is the material type allowed in the BOM? C. Which base unit of measure does the material have? D. What status does the BOM have? Answer: B,D NO.69 What will happen in the MRP run if you have created a new MRPrelevant material that supports both inhouse production external procurement? A. The MRP run assumes external procurement. B. The MRP run assumes inhouse production. C. The MRP run plans the material only if a quotation has been maintained. D. The MRP run does NOT consider the material; it has to be planned interactively. Answer: B NO.70 You use planning strategy Finite Scheduling with Reverse want to allow scheduling in the past. How can you parameterize this in the strategy profile? A. Specify a negative offset time. B. Specify a negative opening period. C. Specify a negative planning horizon. D. Specify a negative PP/DS horizon. Answer: A NO.71 Which actions does the system perform by default when you save a confirmation for a finished product in repetitive manufacturing? Note: There are 3 correct answers to this question. A. Post the goods receipt for the finished product. B. Reduce run schedule quantities. C. Post production costs to the planned order. D. Update statistics for the Business Information Warehouse. 15 IT Certification Guaranteed, The Easy Way! E. Create associated capacity requirements. Answer: B,C,E NO.72 Which business processes are affected by settings in the order type dependent parameters? Note: There are 2 correct answers to this question. A. Schedule production orders. B. Check material availability. C. Select master data. D. Define integration with cost accounting. Answer: C,D NO.73 Which of the following are possible configuration steps when setting up the alert monitor in Advanced Planning? Note: There are 2 correct answers to this question. A. Assign the alert profile to the overall profile. B. Assign the overall profile to the authorization profile. C. Create an object selection variant for alerts according to the priority of ATP categories. D. Create an object selection variant for productionplanningrelated alerts. Answer: A,D NO.74 In documentation for MRP in Advanced Planning you read that new orders are created through infinite planning. What does this mean for the capacity requirements of a new order? A. MRP assigns the capacity requirements automatically after the last scheduled operation for each work center. B. MRP creates the capacity requirements without considering existing load on the work centers. C. MRP creates the capacity requirements at the earliest possible time. D. MRP assigns the capacity requirements automatically to work centers with the earliest available capacity. Answer: A NO.75 You are a consultant on an SAP S/4HANA Cloud brownfield project. In a meeting the customer decides to remodel an existing business process in accordance with clean core principles. Which of the following SAP Signavio solutions can be used for the remodeling? A. SAP Signavio Process Insights B. SAP Signavio Process Intelligence C. SAP Signavio Process Governance D. SAP Signavio Process Manager Answer: C,D NO.76 You have maintained the parameters for simple discontinuation in the material master of a component. Which business process will be affected if the available stock is zero the discontinuation date is in the past? A. Back flushing B. Kanban 16 IT Certification Guaranteed, The Easy Way! C. Material requirements planning D. Production order release Answer: C NO.77 What are the prerequisites for a reporting point confirmation in repetitive manufacturing? Note: There are 2 correct answers to this question. A. Activating the reporting point backflush in the order dependent parameters B. Activating the reporting point backflush in the work centers C. Defining the relevant work centers in the routing D. Defining the operations as reporting points using the control key Answer: B,D NO.78 What are the advantages of collective orders? Note: There are 2 correct answers to this question. A. To perform availability checks across the entire collective order B. To coordinate orders in the planning board for a collective order C. To show the flow of batches across the entire collective order D. To post confirmations for the entire collective order Answer: A,D NO.79 What are some SAP recommended guiding principles to achieve clean core operations? Note: There are 3 correct answers to this question. A. Establish an organizational structure technical foundation transformation methodology for clean core. B. Integrate clean core practices in the endtoend value process chain. C. Establish release management. D. Establish regular housekeeping tasks procedures. E. Define roles responsibilities as part of a process transformation office. Answer: A,C,E NO.80 What happens when you set up detailed scheduling with the finite scheduling mode Insert Operation? Note: There are 2 correct answers to this question. A. Scheduling of an operation takes place as close as possible to the desired date. B. Sequencing on multiactivity resources is automatically updated. C. Neighboring operations can be moved in both directions in order to create a slot. D. Changes are automatically implemented in the complete collective order. Answer: A,D NO.81 You want to trigger inhouse production of a semifinished material before a sales order for the corresponding finished good is received.Which planning strategy supports the consumption of planned independent requirements by dependent requirements for the semifinished material? A. Assembly processing with production orders (82) B. Planning with final assembly (40) 17 IT Certification Guaranteed, The Easy Way! C. Production by lot size (30) D. Planning at assembly level (70) Answer: D NO.82 What are the key features of using a low level code? Note: There are 2 correct answers to this question. A. To determine the priority of alternative components inside ATP B. To determine how costs are rolled up by product costing C. To determine the sequence in which materials are planned in MRP D. To determine the use of subitems inside material BOM (bill of material) Answer: B,C 18