How Many Quarantine Zones Does Trey Research Need for Testing?

Manage quality Configure warehouse management
Answer Correct answer: D — Define six quarantine zones: one for production-line/inbound testing, one for outbound testing, and four for the damaged-product bins.

Case study - This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided. To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study. At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section. To start the case study - To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question. Background - Trey Research is a multinational manufacturer of health and dietary supplements based in Seattle, Washington. The company is experiencing a rapid expansion not only in its supplements but as a lifestyle brand that also sells apparel. The supplements and apparel businesses operate independently but manufacture and operate in the same legal entity. Current environment - Current environment. Technology - Trey Research is migrating from an outdated, on-premises version of Dynamics AX to Dynamics 365 Supply Chain Management. The company wants to retain a lot of its current data structures and processes but adopt new efficiencies when the benefit is obvious. The company uses a third-party e-commerce site that is custom developed by an internal developer. Current environment. Items - Product numbering - All items are numbered by using a smart numbering format: [Product SKU+Size+Color+Style]. For reporting, items are queried for sales and inventory reports by using the first six digits of the item number or until the first dash is encountered. • A t-shirt could be 01001-S-Red for item 1001 in a size small with the color red. • A single energy drink could be 02001-12oz or 02001-20oz for the different sizes that product 02001 is sold in. Product attributes - • All clothing shares the same set of product attributes. • Supplements may share the same Product SKU but can have different attributes for the different size, color, or style variations of the product. • Product attributes that are unnecessary for an item should be excluded from the item. Pricing - • All items always have a default price. This price will not expire. • An item will have four different prices created for it every month, one for each customer tier, as detailed later in this section. The pricing expires at the end of the month. If no special pricing is created, the default item price will be used. • The monthly sales price in which the additional price breaks are determined is based on the estimated cost of the manufactured items. • Customers are categorized into four pricing tiers (A, B, C, and D) based on sales volume over the past 12 months. • Customers can negotiate special pricing for items in 30-day, 60-day, and 90-day increments. Quantity restrictions may be placed, depending on the item discount and promotion. • Promotional pricing is not used today. Pricing is restricted to monthly prices and customer-specific contract pricing. Cost - Items use a FIFO costing model today in their current Dynamics AX 2009 environment; however, using the FIFO costing method has created problems. Current environment. Warehouse and inventory • Warehouse requirements are simplistic. There is only one site. The site has two warehouses. • Trey Research needs to make sure that any energy drinks and nutritional supplements are manufactured and packaged with the highest standards. Trey Research automatically inspects products when all products are reported as finished. All products are inspected again when the items are picked. • Energy drinks require independent tests to check for dents in packaging, carbonation levels, and fill level. • Nutritional supplements require separate tests for packaging, expiration date, product seal, and product labeling. • Government compliancy and consistency testing are handled outside of the Enterprise Resource Planning (ERP) system. • Resalable products are placed on one of two racks in the warehouse. Requirements - Requirements. Technology - • Trey Research will integrate all pricing and discount capabilities to its e-commerce website. Requirements. Items - • Reporting on products should be streamlined as much as possible. • The item numbering does not have to equate to the actual item number. • The future costing methods adopted must be commonly accepted for manufacturers. • Inventory costing should be done after a full inventory valuation is complete. It should take into consideration the direct materials, direct labor, and overhead that goes into an item. • Any costing method used needs the ability to track cost records about an item, cost categories, and calculation formulas for indirect costs. • The profitability for nutritional supplements manufacturing processes needs to be expressed in terms of the cost categories for routing operations and the calculation formulas for manufacturing overheads. • If a vendor can no longer deliver the raw materials for the energy drinks due to supply chain issues, the costs for using an alternative vendor to source the raw materials should be used to determine the impact on profits. • Apparel items will not be upgraded to the new costing method until after the go-live date due to resourcing and implementation limitations from the apparel team. Requirements. Pricing - • Trey Research plans to do promotional pricing. Certain products will receive special pricing during the hours of extreme sporting events that Trey Research sponsors. Before or after the event, normal pricing will resume. Requirements. White labeling - • Trey Research wants to start white labeling its products under the brands of major nutritional retail store brands. These products would only be sold to specific customers. • Trey Research will provide and maintain a 'Compare to' price for customers to use to compare the white-labeled products. This Compare to price will also be the default item price for the customer if the customer accidentally lets a contract price expire. • The configuration of these restrictions must be applied automatically when creating new products for those customers. Requirements. Warehouse and inventory • If products in the warehouse must be blocked from transactions for a specific reason, such as a health and safety review, warehouse users should be able to block the products quickly from the ERP system. • All product quality tests should be processed in a uniform and consistent manner. • Creation of any quality processes for products inbound to the warehouse, from the production line, or outbound from the warehouse to consumers should be automatically created to facilitate execution. • Testing requirements: ◦ Requirement 1: 100 percent of all nutritional supplements and 50 percent of all energy drinks must be tested when production orders are completed. After a product is in testing, 100 percent of all tests must be completed. ◦ Requirement 2: 75 percent of all nutritional supplements and energy drinks should be tested against their required tests during an outbound process. ◦ Damaged products must be placed in one of four bins (based on product type) during the inspection process. ◦ You must define quarantine zones to optimize product visibility throughout the testing process. You need to define the number of quarantine zones. How many should you define?

  1. 1
  2. 2
  3. 4
  4. 6 Correct Answer
  5. 8

Community Votes

D
100%

100% of anonymous learners picked answer D. Votes are pick records left by other test-takers — they are not the verified answer.

Community Insight

The question tests how many quarantine zones a quality-management design requires, and the trap is counting only the four damaged-product bins (option C) while ignoring the separate production-line and outbound testing flows.

Trey Research needs quarantine zones for its Dynamics 365 Supply Chain Management quality testing, and the case's two inspection flows plus four damaged-product bins point to six zones (D). This page explains why six quarantine zones — not one, two, or four — satisfy the production-line, outbound, and damage-handling requirements.

Picking 4 because the case explicitly names four damaged-product bins; those bins are only one part of the design — the production-line (inbound) test flow and the outbound test flow each also need their own quarantine zone, which brings the total to six.

Community Discussion (3 comments)

globeearth 👍 1 Selected: D
This question can be interpreted in multiple ways. either 4 or 6 Option 1: Minimalist Approach: 1 zone for inbound testing. 1 zone for outbound testing. 1 zone for all damaged products (with four bins as sub-locations). 1 zone for general blocking. Total = 4 zones. or we can consider 4 zones for 4 bins Option 2: Granular Approach: 1 zone for inbound testing. 1 zone for outbound testing. 4 zones for damaged products (one per bin, reflecting four product types). Total = 6 zones (assuming blocking uses testing zones).
IlseKH 👍 1
maybe its because of this statement: " Damaged products must be placed in one of four bins (based on product type) during the inspection process."
75a0975 👍 1
Is this because you have to test it 3x during production and once for outbound transaction? test it 3x during production and once for outbound transactions

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Expert Analysis

Why the Answer Is Correct

Trey Research's testing requirements cover two clearly separated inspection flows — products reported as finished (inbound from the production line) and products tested during the outbound picking process — plus a damage-handling step that must route items into one of four bins by product type. In Dynamics 365 Supply Chain Management quarantine zones exist precisely to isolate and make visible quarantined inventory by process, so the granular design is 1 (production-line/inbound) + 1 (outbound) + 4 (damaged-product bins) = 6. That layout preserves the case's sampling rules (100% of supplements and 50% of energy drinks tested at completion, 75% sampled outbound) and keeps damaged goods reportable in separate locations. Six zones is also the count the case's "you must define quarantine zones to optimize product visibility throughout the testing process" wording pushes toward, since visibility is only optimized when each stage is physically separated.

Why the Other Options Are Wrong

A single zone (A) would merge production testing, outbound testing, and damaged goods into one location, destroying the visibility the requirement asks for. Two zones (B) covers the two test flows but leaves no separation for the four damaged-product bins that must exist "based on product type". Four zones (C) matches only the bins and ignores the distinct inbound/production and outbound quarantine areas — the reading candidates reach when they count the first number they see in the case. Eight zones (E) over-engineers the solution: the case defines no fifth or sixth quarantine category beyond two test flows and four damage bins.

Community Comment Notes

IlseKH pointed directly at the driver for the extra four zones — the requirement that damaged products be placed in one of four bins during inspection — which is why the count rises above two. globeearth laid out both readings, warning that the question "can be interpreted in multiple ways. either 4 or 6", and gave the granular 1 inbound + 1 outbound + 4 damaged breakdown that produces six. Another learner, 75a0975, wondered whether repeated testing during production was the reason for the higher number, but the case's requirement 1 and requirement 2 sampling language describes process stages, not test types. The thread consensus settles on the six-zone (D) design.

Answer Design Summary

Treat each place where inventory must be held pending a quality decision as its own quarantine zone: production-order completion testing, outbound testing, and the four type-based damage bins. That mirrors how quarantine orders are actually executed in Dynamics 365 — a quarantine warehouse whose zones keep waiting-for-result stock distinguishable by process and by product type.

Official Reference

Exam Strategy

In MB-330 case studies, answer from the Requirements and Warehouse/inventory tabs rather than from memory: list every distinct inspection stage (production completion, outbound, damage handling) before you count zones or locations. Questions phrased as "define the number of..." usually test whether you captured all process stages, not just the one stage with an explicit number in the text.

Frequently Asked Questions

Why isn't 4 quarantine zones the right answer for Trey Research?

Four zones would only cover the four damaged-product bins. The production-line (finished goods) test flow and the outbound test flow each need their own zone, which raises the total to six.

Do apparel items add a quarantine zone in this case?

No. Apparel is not part of the nutritional supplement or energy drink testing requirements, so it does not create an additional quarantine zone in the design.

Related Analysis

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