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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Microsoft Dynamics 365 Business Central Developer |
| Exam Number: | MB-820 |
| Exam Format: | Active screen, Build list, Multiple choice, Case studies, Drag and drop |
| Exam Duration: | 90 minutes |
| Passing Score: | 700 (on a scale of 1–1000) |
| Exam Price: | $165 USD |
| Certificate Validity Period: | 1 year |
| Real Exam Qty: | 40–60 |
| Available Languages: | English |
| Recommended Training: | Microsoft Learn: Dynamics 365 Business Central Developer Learning Paths |
| Exam Registration: | Microsoft Learn Exam Registration Pearson VUE |
| Sample Questions: | Microsoft MB-820 Sample Questions |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | Recommended: 1–2 years experience developing Business Central solutions, familiarity with AL language, Visual Studio Code, and development lifecycle |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/resources/study-guides/mb-820 |
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NEW QUESTION # 172
You create a codeunit that works with a table named Boxes. You plan to filter the records and then modify them.
You get an error that you do not have permission to work with the Boxes table.
You need to assign the Indirect permissions for the Boxes table to the codeunit.
Which four code blocks should you use in sequence to assign the correct permission? To answer, move the appropriate code blocks from the list of code blocks to the answer area and arrange them in the correct order.
Answer:
Explanation:
1 - TableData
2 - Boxes =
3 - Permissions
4 - RIM
NEW QUESTION # 173
You have an XMLport that exports items from a database to an XML file.
You need to change the export format from XML to CSV.
What should you do?
Answer: C
Explanation:
https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/properties/devenv-format-property
NEW QUESTION # 174
A company plans to change a field on the Resource Card page in a Base Application.
You need to hide the field "Unit Price" from the Resource Card page.
Which code snippet should you use?
Answer: C
Explanation:
To hide the field "Unit Price" from the Resource Card page in Microsoft Dynamics 365 Business Central, you need to modify the visibility property of the field using the modify keyword, which allows you to change the properties of an existing field on a page.
* modify("Unit Price") is the correct way to target an existing field on a page (like the Resource Card page).
* The line Visible = false; makes the field invisible on the page.
Here's a breakdown of why each option is right or wrong:
* Option A:
* Uses addlast("Unit Price"), which is incorrect because you are not adding a new field; you're modifying an existing one. Also, Visible = false is correct for hiding a field, but the wrong method (addlast) is used.
* Option B:
* Uses modify("Unit Price") with Enabled = false;. This would disable the field (make it non- editable), not hide it. The field would still be visible, so this does not meet the requirement.
* Option C:
* Uses addlast("Unit Price"), which is incorrect, and Enabled = false;, which would disable the field, not hide it.
* Option D:
* modify("Unit Price") { Visible = false; } is the correct syntax for hiding the field on the page.
Correct Code Snippet:
modify("Unit Price")
{
Visible = false;
}
This hides the "Unit Price" field from the Resource Card page.
NEW QUESTION # 175
A company is deploying Business Central on-premises.
The company plans to use a single-tenant deployment architecture.
You need to describe how the data is stored and how the Business Central Server is configured.
In which two ways should you describe the single-tenant architecture? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Answer: B,D
Explanation:
In a single-tenant deployment architecture of Business Central on-premises, the following characteristics describe how the data is stored and how the Business Central Server is configured:
* The application and the business data are stored in the same database (B): In a single-tenant architecture, each tenant (which typically corresponds to a single customer) has its own dedicated database. This database contains both the application objects (such as pages, reports, codeunits, etc.) and the business data (such as customer, vendor, and transaction records). This setup ensures that each tenant's data is isolated and can be managed independently.
* The application and business data are stored in separate databases (D): While (B) is a characteristic of a single-tenant deployment, it's important to clarify that in some configurations, the application objects can be stored in a separate database from the business data. This approach can be used for easier maintenance and upgrades of the application code without affecting the business data. However, each tenant still has its own set of databases, maintaining the single-tenancy model.
The other options provided do not accurately describe a single-tenant architecture:
* Each customer has their own Business Central Server (A): This statement might be misleading. In a single-tenant deployment, while each customer has their own database, they do not necessarily have their own Business Central Server instance. Multiple databases (tenants) can be hosted on a single server instance, although they are not shared across customers.
* Multiple customers share a single Business Central Server (C) and Multiple customers share multiple Business Central Server instances (E): These options describe a multi-tenant architecture rather than a single-tenant one. In a multi-tenant setup, multiple customers (tenants) can share the same server instance and even the same application database, with data isolation ensured at the application level.
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.
NEW QUESTION # 176
You create a 'Contoso Post" procedure to send an http POST request in JSON format. You publish the procedure to your environment.
You write the following procedure code:
The procedure does not work as expected.
You need to find and fix all errors in HTTP class usage.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Statements:
* Replace line 16 with ResponseText := ResponseMessage
* answer: NoThe correct way to handle the response is to use ReadAs or similar methods to read the content from the response, not just assign the ResponseMessage directly to ResponseText.
Hence, this statement is incorrect.
* In line 13, change the 'text/plain' value to 'application/json'
* answer: YesSince the procedure is expected to send a POST request with JSON content, changing the content type to 'application/json' is correct. This ensures that the server understands the content is in JSON format.
* Replace line 14 with Client.DefaultRequestHeaders.Add('Authorization', 'Bearer ' + Token);
* answer: NoIn AL, the authorization headers are managed through HttpHeaders, and the Client.
DefaultRequestHeaders method is not available in AL. Therefore, this statement is incorrect.
* In line 10, replace WriteFrom with ReadAs
* answer: NoWriteFrom is the correct method for sending the request content, as it writes data from the RequestText variable to the HttpContent. ReadAs is used for reading the response, not for writing the request content.
NEW QUESTION # 177
......
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