MB-820 – Q&A PDF Exam

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Purpose of this document This study guide should help you understand what to expect on the exam and includes a summary of the topics the exam might cover and links to additional resources. The information and materials in this document should help you focus your studies as you prepare for the exam. About the exam Languages Some exams are localized into other languages. You can find these in the Schedule Exam section of the Exam Details webpage. If the exam isn’t available in your preferred language, you can request an additional 30 minutes to complete the exam. Note The bullets that follow each of the skills measured are intended to illustrate how we are assessing that skill. Related topics may be covered in the exam. Note Most questions cover features that are general availability (GA). The exam may contain questions on Preview features if those features are commonly used. Skills measured Audience profile As a Microsoft Dynamics 365 Business Central developer, you’re responsible for designing, developing, testing, and maintaining solutions based on Dynamics 365 Business Central. In this role, you develop apps that extend Business Central, including customizing or adding extra functionality. You also integrate Business Central with other applications, such as Microsoft Power Platform products. Plus, you need to ensure that data remains current during an upgrade process. As a Business Central developer, you’re responsible for troubleshooting and debugging issues in the system. This may involve: Identifying the root cause of a problem. Fixing bugs. Testing the solution to ensure that it works as expected. You may be required to optimize the performance of the system by: Identifying bottlenecks. Improving code quality. You must have applied knowledge of Business Central and the application language (AL), the development environment, and other tools to develop extensions for it. You need some knowledge of how to install and upgrade the system. You should also understand: Industry terminology. The Business Central role in relationship to Microsoft 365 and Dynamics 365. As a developer, you should have knowledge of: AppSource, Business Central–related technologies, frameworks, and services to build solutions. Technologies for application lifecycle management (ALM), including source control management (SCM) and continuous integration and continuous delivery (CI/CD). Skills at a glance Describe Business Central (10–15%) Install, develop, and deploy for Business Central (10–15%) Develop by using AL objects (35–40%) Develop by using AL (15–20%) Work with development tools (10–15%) Integrate Business Central with other applications (10–15%) Describe Business Central (10–15%) Describe the Business Central architecture Describe the components and capabilities of Business Central Describe the core solution and extensions approach for Business Central Describe the update lifecycle for customizations of Business Central Differentiate Business Central Online and Business Central on-premises features Describe Business Central apps Differentiate between the base app and the system app Describe the functionality of apps Describe the process of bringing an app to AppSource Install, develop, and deploy for Business Central (10–15%) Install and configure a Business Central development environment Describe the development environment for Business Central Install and configure the development environment Manage JSON configuration files Manage multiple AL extensions in one workspace Create, debug, and deploy an extension in Business Central Debug an extension with Visual Studio Code Deploy an extension Create or modify a Business Central extension in Visual Studio Code Manage multilanguage development Maintain extensions Develop by using AL objects (35–40%) Build and extend tables and pages in Business Central Develop Role Center pages Identify different page types Build and extend page objects Build and extend tables Build and extend enums Build and extend reports Substitute a report Create a report layout Create document reports Design the data model of a report Implement multilanguage in reports Use report triggers, functions, and processing-only reports Develop the report request page Design and create an XMLport Configure different XMLport properties Define nodes and their properties Use XMLports in AL code Develop codeunits Create and access codeunits Use events and triggers Implement interfaces Create installation and upgrade codeunits Work with entitlement and permission set objects Create and extend permission sets Override entitlements with inherent permissions Troubleshoot permission sets Create queries in Business Central Link and join data items Apply filters in query objects Use queries instead of record variables Aggregate data in query objects Use a query to create a report Develop by using AL (15–20%) Customize the UI experience and implement onboarding techniques Create profiles in AL Use and create views in AL Develop the UI by using the user assistance model Integrate assisted setup Create teaching tips and in-app tours to onboard users Create an onboarding checklist Describe the essential development standards Implement the data process model in Business Central Define the different functional table types and characteristics Use document standards in Business Central Implement master data standards and design patterns Use AL to extend Business Central Create custom procedures Differentiate data types Manage files Manipulate data by using code Describe the basics of the AL Use the different types of expressions Work with AL built-in functions and AL statements Work with variables and define them in AL code Manage errors Use access modifiers to limit access Work with development tools (10–15%) Implement semi-automated test processes and run standard Business Central tests Test applications in Business Central Install and run the Test Toolkit Develop test codeunits and procedures Manage and analyze telemetry Monitor and analyze telemetry Configure telemetry Create custom telemetry signals Integrate Business Central with other applications (10–15%) Access Representational State Transfer (REST) services from within Business Central Use the different HTTP classes and their functions Get data from and send data to an external REST service Use and read JSON Implement APIs Create and work with APIs Manage UI interaction when working with web services Use Read-Scale Out to improve performance Sample Question and Answers New Topic: Topic 1 , Case Study Alpine Ski House Overview 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 8usiness 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 â– ‘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 â» 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: â– Quality â– Quantity â– 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. QUESTION 1 HOTSPOT You need to download a stored picture from the Room Incident page. 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. Answer: Explanation: var TempBlob: Codeunit “Temp Blob”; IncidentOutStream: OutStream; IncidentInStream: InStream; ImageFilter, FileName: Text; begin Make The Best Choice Chose – Joogate Make yourself more valuable in today’s competitive computer industry Joogate’s preparation material includes the most excellent features, prepared by the same dedicated experts who have come together to offer an integrated solution. We provide the most excellent and simple method to pass your Microsoft Microsoft Dynamic 365 MB-820 exam on the first attempt . will prepare you for your exam effectively. MB-820 Study Guide. 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