MB-820 case studies
MB-820 · Put your knowledge to work in context.
Microsoft Certified: Dynamics 365 Business Central Developer Associate is an intermediate-level Microsoft certification for developers who design, develop, test, and maintain solutions built on Dynamics 365 Business Central. Earning it requires passing Exam MB-820, a proctored exam that lasts 100 minutes and requires a score of 700 or greater. The MB-820 case studies are 5 cases and about 3,920 words.
1Edition, hosting, and customization strategy for a 60-user prospect
Contoso Robotics is evaluating Business Central for 60 full users. Finance needs general ledger, sales, purchasing, inventory and projects; operations needs production orders with routings and capacity planning; the service team needs service orders, contracts and item tracking.
700 words, about 4 min2Promoting a per-tenant extension to 14 tenants without losing data
Fabrikam Consulting maintains a per-tenant extension called WarehousePlus, currently version 2.3.0.0, deployed to 14 customer tenants, three of them production. Release 3.0 renames field 50110 "Qty" to "Quantity" on table 50120 "Bin Content" and changes field 50121 "Status" from Option to Enum.
800 words, about 4 min3Designing an Equipment Rental extension for scale
A partner is building an Equipment Rental per-tenant extension. Requirements: on the Customer card, a "Rental Blocked" boolean and "Max Open Rentals" integer; a new "Rental Contract" header and line table; the Customer list must display an "Open Rental Count"; the rental line page must only offer items in the Rental Item category; and the Customer card must warn the user when Max Open Rentals is exceeded at contract release.
816 words, about 4 min4Extending release behavior without touching codeunit 80
A partner must enforce a rule at sales order release: if the customer is rental-blocked, or the order total exceeds the customer's credit override, the release must stop. The developer proposes commenting out lines in codeunit 80 "Sales-Post" and inserting an IF block, plus a loop over Sales Lines calling Modify on each line to stamp a "Released" flag.
866 words, about 4 min5Replacing nightly file drops with an integration that holds up
Northwind Traders runs Business Central in the cloud with one production company and one sandbox. An external warehouse system needs order status updates within seconds, for about 5,000 orders a day with a peak of 20 per minute.
738 words, about 4 min