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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Microsoft Dynamics 365 Business Central Developer |
| Exam Number: | MB-820 |
| Exam Format: | Case studies, Multiple-choice, Scenario-based questions, Multiple-response |
| Related Certifications: | Microsoft Certified: Dynamics 365 Business Central Functional Consultant Associate |
| Passing Score: | 700/1000 |
| Certificate Validity Period: | 1 year (renewable via Microsoft certification renewal assessment) |
| Exam Price: | $165 USD (varies by region) |
| Real Exam Qty: | 40-60 |
| Exam Duration: | 120 minutes |
| Available Languages: | Japanese, Portuguese (Brazil), Chinese (Simplified), French, Korean, German, Spanish, English |
| Recommended Training: | Dynamics 365 Business Central documentation Microsoft Learn - Business Central Developer Training |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Exam Registration |
| Sample Questions: | Microsoft MB-820 Sample Questions |
| Exam Way: | Online proctored or onsite test center via Pearson VUE |
| Pre Condition: | Basic understanding of Microsoft Dynamics 365 Business Central and AL development language is recommended |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/d365-business-central-developer-associate/ |
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| Thema | Einzelheiten |
|---|---|
| Thema 1 |
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| Thema 2 |
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| Thema 3 |
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87. Frage
You need to parse the API JSON response and retrieve each order no. in the response body.
How should you complete the code segment? To answer select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Antwort:
Begründung:
Explanation:
Code Segment Analysis:
* The AL code is trying to read JSON data from a response and process it to extract subcontracting order numbers. It uses JsonToken , JsonObject , and JsonArray to work with the JSON data.
* JToken.ReadFrom(Data) : This line reads the incoming JSON data and converts it into a token. It processes the full JSON body so you can start working with it.
* JToken.SelectToken( " results " ) : This line selects the part of the JSON containing the results array.
The key " results " is where the JSON response data is expected to be found.
* JsonArray : Once the results are extracted, they are stored as an array, and each element in the array (which is expected to contain subcontracting order numbers) is processed.
* SubcontractingOrderNo : The extracted order_no from the JSON is stored in this variable.
Breakdown of Steps:
* JToken.ReadFrom(Data) : This step reads the entire JSON response.
* JToken.SelectToken( " results " ) : This step selects the results array from the JSON response.
* JArray.AsArray() : This step converts the selected results token into a JSON array that can be iterated over.
* GetValueAsText(JToken, ' order_no ' ) : This step retrieves the order_no from each element in the array.
Correct Code Completion:
* JToken.ReadFrom(Data) : This is the correct method to read the incoming JSON response, as it will convert the string into a JsonToken that can be further processed.
* JToken.SelectToken( " results " ) : This is the correct method to extract the results array from the token. This method looks for the key " results " in the JSON and retrieves the relevant array.
Final Code Segment:
al
Copy code
procedure ReadJsonData(Data: text)
var
JToken: JsonToken;
JObject: JsonObject;
JArray: JsonArray;
SubcontractingOrderNo: Code[20];
begin
if Data = ' ' then
exit;
JToken := JToken.ReadFrom(Data); // Step 1: Read the JSON response data.
JToken := JToken.SelectToken( ' results ' ); // Step 2: Select the " results " array.
JArray := JToken.AsArray(); // Convert the token into a JSON array.
foreach JToken in JArray do begin
SubcontractingOrderNo := GetValueAsText(JToken, ' order_no ' ); // Retrieve the order number.
end;
end;
* JToken.ReadFrom(Data) : This reads the raw JSON data string and converts it into a JSON token that can be processed.
* JToken.SelectToken( " results " ) : This extracts the results array from the JSON data.
* JArray.AsArray() : Converts the token into an array so we can iterate over it.
* GetValueAsText(JToken, ' order_no ' ) : Extracts the order_no value from each item in the array.
Topic 2, Case Study Alpine Ski House
Alpine Ski House is a company that owns and operates hotels, restaurants, and stores. Currently, the company uses the following software and interlace:
* Property management software (PMS) to manage hotel rooms
* On-premises accounting software to generate sales invoices and create purchase orders
* An API that allows restaurants and stores to obtain necessary information Restaurants and stores use standalone software for point of sale (POS) devices. Each day, the POS terminals generate a text file of sales data and save the files in a serval folder. An account assistant must manually import the files to the current software tables to be processed by the system.
The general manager receives several reports monthly from department managers. The reports take too much time to prepare.
The company is moving from a different system to Business Central online to manage the whole company.
The company plans to increase efficiency in every department by using APIs to obtain or share information between the different systems.
Each department involved in purchasing must be able to make purchase requests automatically and easily.
The departments do not need access to the full ERP management system.
Alpine Ski House requires the development of several extensions for the planned improvements. Business Central design patterns must be used to develop all extensions.
Alpine Ski House must develop the following pages:
* Pages that provide multiple configurations in a multistep dialog, like a wizard, to provide required information when the extensions are first installed
* Department-specific Role Center pages to show relevant information and pages with additional information The IT department plans to use Power 61 to analyze departmental information. The database must be configured to provide optimal performance.
The housekeeping department requires the following to increase efficiency and help avoid data entry errors:
* A Housekeeping Role Center to minimize navigation to relevant areas In Business Central online and to show relevant information in it
* Pages to embed into a new Room page to show additional information about the Room entity
* A table named Room Incident for the housekeeping team to enter room issue information
* A Housekeeping canvas app that connects to an extension
The department requires the development of an extension with a new API page named RoomsAPI.
* The housekeeping team will use RoomsAPI to publish room details, update when work is complete, or provide repair notifications from the canvas app.
* This custom API page must expose a custom table named Rooms and have an ID 50000. The table must be able to update from the PMS. The PMS team must know the end to connect to the custom API.
* A developer provides the following details for the API page:
APIPublisher = ' alpine ' ;
APIGroup - ' integration ' ;
APIVersion - ' v2.6 ' ;
fntityName # ' room ' ;
EntitySetName = ' rooms ' ;
* The extension must be published in Business Central online and include a list page named Room List that includes all hotel rooms.
* Installation or updates to this extension must meet the following requirements:
o Some web services must be published automatically.
o The version of the specified application ' s metadata must be obtained in AL language.
o The code required to perform tasks cannot be accessible from other parts of the application.
The Room Incident table information must include the following fields:
* Incident entry: An incremental number
* Room No.: A room from the Room table
* Incident Date: The work date
o The table definition in the Room Incident table must autofill the Incident Date when the housekeeping team inserts a new record, o The value for Incident Date must be the work date configured in the Business Central online client.
* Status: Includes the following options lo identify the status of the incident:
o Open: When the Room Incident is created
o In Progress: When someone starts repair work
o Closed: When the incident is solved
* Incident Closing Date: Auto-updating field (when the status passes to Closed, the field will update with the work date)
* Incident Description: Text
* Image. Media data type
o The stored picture must be downloadable from a menu action.
o A Room Incident page must be developed to contain the download action.
To increase efficiency, the new system must manage the generated data from the restaurants and stores directly by using the API on the POS terminals.
* The company requires a code unit called from a job queue to read the information from the POS terminal APIs.
* The POS terminal information must be stored in a table named POS Information, have an ID 50100. and be editable on a page.
* The account manager requires an option on the menu of the page to run the process manually.
To analyze the information received from the POS terminals, the company requires:
* A custom API named ticketAPI to export the information to Power BI
* Use of the Read Scale-Out feature to improve database performance
The purchasing department requites a new entity in Business Central online to log non-conformities of goods received from vendors. The entity must be set up as follows:
* The non-conformity entity must have two tables:
o a header with common information
o one or more lines with the detailed received items that are non-conforming
* The entity requires a page named Non-conformity and a subpage named Non-Conformity Lines to store the information.
When a purchase order with incorrect quantity 01 quality issues is received, the entity must create a non- conformity document in the system. The following information must be nick the document:
* Non-conformity Number: must use the No. Series table from Business Central online to manage this field and use these features:
o Alphanumeric values
o Number format that includes " NO and the year as part of the number: for example, NC24-001
* Non-conformity Date: stores only the creation date
* Vendor No.: stores the number of the vendor that sent the items; only vendors from the company must be included
* Owner: code of an employee defined in the company
* Receipt No.: must meet the following conditions:
o Be an existing receipt No.
o Be received from the vendor indicated in the Vendor No. field
* Comments: can include comments with rich text and pictures to illustrate quality problems
* Status: includes nonconformity statuses, such as:
o Open
o Notified
o Closed
* Lines must contain the following details:
o Item No.: item received (for existing inventory items only)
o Description: item description
0 Quantity: non-conforming quantity
0 Non-conformity Type:
# Quality
# Quantity
# Delivery date
The serial numbers of the non-conformities and the period in which they can be created must be in a configuration table and its corresponding page to allow them to be modified for the users.
88. Frage
You develop a table named Contoso Setup and a page.
You plan to use No. Series to automatically assign a unique number to data entries. You set up No. Series on the Vendor Nos. field of the Contoso Setup table.
You need to apply the No. Series Design Pattern to the trigger Onlnsert().
Which four code segments should you use to develop the solution? To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.
Antwort:
Begründung:
Explanation:
To properly apply the No. Series Design Pattern in the OnInsert() trigger, the correct sequence of actions should be as follows:
* ContosoSetup.Get();
* First, retrieve the Contoso Setup record using the Get method. This ensures that the necessary setup information is available, including the No. Series.
* if "No." = '' then begin
* Next, check if the No. field is empty. If it is, a new number from the No. Series should be assigned.
* NoSeriesManagement.InitSeries(ContosoSetup."Vendor Nos.", "No. Series", 0D, "No.", "No.
Series");
* Call the InitSeries function to assign a new number from the No. Series. This initializes the No.
Series for the Vendor Nos. field.
* ContosoSetup.TestField("Vendor Nos.");
* Lastly, ensure that the Vendor Nos. field is populated and valid by calling TestField.
Correct Order for Code Segments:
* ContosoSetup.Get();
* if "No." = '' then begin
* NoSeriesManagement.InitSeries(ContosoSetup."Vendor Nos.", "No. Series", 0D, "No.", "No.
Series");
* ContosoSetup.TestField("Vendor Nos.");
89. Frage
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result these questions will not appear in the review screen.
A company plans to optimize its permission sets.
The company has the following permission sets:
You need to provide the following implementation for a third permission set:
* Create a new Permission Set C that is a composite of Permission Set A and Permission Set B.
* Assign Permission Set C to a user.
You need to ensure that the user has only read access to the Job table.
Solution: Set the Excluded Permission Sets property to Permission Set B.
Does the solution meet the goal?
Antwort: B
90. Frage
A company plans to integrate tests with its build pipelines.
The company has two Docket sandbox environments: SandboxA and SandboxB.
You observe the following:
* SandboxA is configured without the Test Toolkit installed.
* SandboxB must be configured from scratch. The Test Toolkit must be installed in SandboxB during configuration.
You need to configure the sandbox environments.
How should you complete the cmdlets? To answer, select the appropriate options in the answer area.
Antwort:
Begründung:
91. Frage
You create a procedure to check if a purchase order has lines.
The procedure returns false for purchase order PO-00001 even though it has purchase lines.
You need to fix the code to get the correct result.
For each of the following statements, select Yes if the statement is true Otherwise, select No.
NOTE- Each correct selection is worth one point.
Antwort:
Begründung:
Explanation:
No
No
Yes
No
Explanation:
1. The Bug: The issue lies in Line 06 : PurchaseLine.SetRange( " No. " , PurchaseHeader. " No. " );.
* In the Purchase Line table, the field " No. " represents the Item Number (or G/L Account number, etc.).
* The field that links the line to the Purchase Header is " Document No. " .
* Because the code filters the Item Number using the Document Number (e.g., searching for an Item named " PO-00001 " ), it finds no records. IsEmpty() returns true, and the function returns false.
2. Analysis of Options:
* Add Clear(PurchaseLine)... (No): The variable PurchaseLine is a local variable declared within the procedure. In AL, local record variables are automatically initialized when the procedure starts.
Clearing it manually is redundant and does not fix the logic error.
* Add PurchaseLine.SetFilter( " Line No. " , ' > 0 ' )... (No): While this is a valid filter to ensure you don ' t pick up empty lines, it does not solve the problem. The code is already failing because of the incorrect filter on line 06. Adding another filter won ' t find records that have already been excluded by the wrong " No. " filter.
* Change the filter on line 06 from " No. " to " Document No. " (Yes): This is the correct fix. To link a Purchase Line to a Purchase Header, you must join PurchaseHeader. " No. " to PurchaseLine. " Document No. " .
* Remove " not " in line 07 (No): The logic exit(not PurchaseLine.IsEmpty()); is correct.
* If lines exist, IsEmpty() is false. not false is true. (Correct result)
* If you remove " not " , the function would return true when the order is empty, which is the opposite of what is needed.
92. Frage
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