Free Microsoft MB-820 Practice Test & Real Exam Questions
A company uses Azure Application Insights for Business Central online in its production environment.
A user observes that some job queues go into the failed state and require manual intervention.
You need to analyze job queue lifecycle telemetry.
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.
A user observes that some job queues go into the failed state and require manual intervention.
You need to analyze job queue lifecycle telemetry.
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.
Correct Answer:
Explanation:
KQL Code Segment:
* First command (traces):
* The query begins with traces to analyze telemetry data logs. The next command determines how the results are filtered or displayed.
* take 100: This is the correct option to retrieve the top 100 rows from the traces table.
* Command for selecting fields:
* project: This command is used to select specific fields from the telemetry data, allowing you to retrieve and display only the fields relevant to the job queue telemetry.
* The correct answer is project, as it allows you to choose fields like jobQueueObjectId, jobQueueObjectType, etc., from the customDimensions table.
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.
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.
Correct Answer:
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.
You need to define the properties of the comments field of the Non-conformity 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.
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.
Correct Answer:
Explanation:
A company has extended Business Central.
You plan to submit the extension to AppSource.
You need to ensure that an application meets the technical requirements before submitting it for validation.
Which three actions should you perform? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
You plan to submit the extension to AppSource.
You need to ensure that an application meets the technical requirements before submitting it for validation.
Which three actions should you perform? Each correct answer presents a complete solution.
NOTE: Each correct selection is worth one point.
Correct Answer: B,D,E
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You need to create the Install codeunit that is requited in the extension used for installing or updating the Housekeeping app.
Which data type or declaration should you use? To answer, select the appropriate options in the answer area.
NOTE; Each correct selection is worth one point.
Which data type or declaration should you use? To answer, select the appropriate options in the answer area.
NOTE; Each correct selection is worth one point.
Correct Answer:
Explanation:
For the Install codeunit required for the extension used for installing or updating the Housekeeping app, you should use the following data type and declaration:
* Data type for information: ModuleInfo
* Start of the declaration of the method or procedure to perform the tasks: local procedure In AL language, which is used for developing extensions in Business Central, an Install codeunit is a special type of codeunit that is used to handle installation or upgrade logic for an extension.
* ModuleInfo is a data type that contains information about the current extension, such as its version. It is typically used within the OnInstallAppPerCompany or OnUpgradePerCompany triggers of an Install codeunit to determine if the app is being installed for the first time or upgraded.
* A local procedure within an Install codeunit is a method that is only accessible within the codeunit itself. It is not visible to other objects or extensions. This is suitable for tasks that are internal to the installation process and should not be exposed globally.
These selections align with the requirements of handling installation and update procedures in a controlled and encapsulated manner within Business Central extensions.
You need to access the RoomsAPI API from the canvas app.
What should you do?
What should you do?
Correct Answer: B
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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 Included Permission Sets property to Permission Set B and the Excluded PermissionSets property to Permission Set A.
Does the solution meet the goal?
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 Included Permission Sets property to Permission Set B and the Excluded PermissionSets property to Permission Set A.
Does the solution meet the goal?
Correct Answer: A
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A company has a task that is performed infrequently. Users often need to look up the procedure to complete the task.
The company requires a wizard that leads users through a sequence of steps to complete the task.
You need to create the page to enable the wizard creation.
Which page type should you use?
The company requires a wizard that leads users through a sequence of steps to complete the task.
You need to create the page to enable the wizard creation.
Which page type should you use?
Correct Answer: D
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