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QUESTION 12
A junior programmer asks you to review an order of operator precedence so that a math operation evaluates appropriately.
Which list is ordered correctly?
A. unary, multiplicative, additive, logical, relational
B. shift, relational, additive, unary, logical
C. unary, multiplicative, additive, relational, logical
D. equality, multiplicative, additive, relational, unary
Answer: C
Explanation:
QUESTION 13
You are an Independent Software Vendor (ISV) developer who is creatinga new module in a solution. Aspart of the solution, you create a new menu.
You need the menu to appear in the list of modules available on the navigation pane.
What should you do to achieve this goal?
A. Create an extension of the MainMenu menu, and add a menu reference to the new menu.
B. Create an extension of the NavPaneMenu menu, and add a menu reference to the new menu.
C. Create an extension of the CommonMenu menu, and add a menu reference to the new menu.
D. Create an extension of the StartPageMenu menu, and add a menu reference to the new menu.
Answer: A
QUESTION 14
You are developing a solution to insert and update records in a table named Table1, and you need to ensure that you handle the possible exceptions. Table1 does not have any unique indexes that include the ID or the Description fields.
The table has the following structure:
What is the output of the X++ code?
A. Max value
DDEerror
Data error
B. Break
C. Data error_RC
D. Max value
DDEerror
Error has occurred
Answer: D
QUESTION 15
You are an Independent Software Vendor (ISV) developer working on a solution that extends the
Commerce Runtime (CRT) to handle new requests for an app deployed to tablets and cell phones.
You are in the developer topology and need to troubleshoot an error and check for events.
Under which event log in Event Viewer should you look to see the events?
A. Commerce-RetailServer
B. Commerce-OnlineStore
C. Commerce-LoggingProvider
D. Commerce-ModernPos
Answer: D
Explanation:
Commerce-RetailServer?This log contains events that are logged by the Retail Server components.
Commerce-ModernPos?This log contains events that are logged byRetail Modern POS. These eventsinclude events from the TypeScript and C# (CRT) layer. Commerce-LoggingProvider?This log contains events that are loggedby all other Retail componentsthat aren’t included in the list earlier in this article.
QUESTION 16
You have built a package to deploy retail modifications into a source environment for multiple models.
What is a result of building this package?
A. Build artifacts are removed from the previous build.
B. The .NET module that contains the element is incorporated.
C. Only recently changed objects are rebuilt.
D. Only the elements for the current project are built.
Answer: A
Explanation:
“Copy and publish build artifacts” uploads the deployable package to VSTS artifacts location.
https://docs.microsoft.com/en-us/dynamics365/unified-operations/dev-itpro/perf-test/continuous-build-testautomation
QUESTION 17
You are working for a client in Microsoft Dynamics 365 for Finance and Operations. You design and build acustom package, and upload it to the Asset library in Lifecycle Services (LCS).
You need to apply the custom package to the client’s Tier 2 environment for testing by generating a runbook.
Which two files are required to generate the runbook? Each correct answer presents part of the solution.
A. the topology data file
B. the development installation service model data file
C. the hotfix installation information file
D. the service model file
Answer: AD
Explanation:
Runbook?The deployment runbook is a series of steps that is generated and used to apply the
deployable package to the target environment. Some of the steps are automated, and some are manual.
AXUpdateInstaller enables these steps to be run one at a time and in the correct order. AXUpdateInstaller.exe generate -runbookid=[runbookID] -topologyfile= [topologyFile] -servicemodelfile=[serviceModelFile] -runbook Here is an explanation of the parameters that are used in this command:
[runbookID]?A parameter that is specified by the developer who applies the deployable package.
[topologyFile]?The path of the DefaultTopologyData.xml file. [serviceModelFile]?The path of the DefaultServiceModelData.xml file. [runbookFile]?The name of the runbook file to generate (for example, AOSRunbook.xml).
QUESTION 18
You are an Independent Software Vendor (ISV) developer, and you are reviewing the code in a solution.
During the code review, you see the following:
using (var sr = new System.IO.StreamReader(_inputFilename))
{
var textFromFile = sr.ReadToEnd();
this.processFileDate(textFromFile);
}
Which two statements about the sr and textFromFile variables are true? Each correct answer presents a complete solution.
A. The variables storing .Net Framework objects have to be declared using the var keyword.
B. The var keyword indicates the variables can store values of any type.
C. The variables are valid within the block of code in which they were declared.
D. The var keyword infers the type of the variables from their initialization expression.
Answer: CD
QUESTION 19
You need to troubleshoot an issue by using the Async sync library.
Where should you go to access this library?
A. Real Time Service
B. Reatil Server
C. Retail Modern POS
D. Channel Database
Answer: C
Explanation:
Retail modern POS includes the Async library which downloads any available data packages and insertsthem into the offline database.
QUESTION 20
You have previously written a PurchOrderActivation class with the following logic:
class PurchOrderActivation
{
private static PurchOrderActivation construct()
{
return new PurchOrderActivation();
}
…
}
You need to instantiatePurchOrderActivationfrom a new class named PurchOrderActivationExtended, which extendsPurchOrderActivation.
What are two possible ways to instantiate thePurchOrderActivationclass in the initialize method of the PurchOrderActivationExtendedclass? Each correct answer presents a complete solution.
A. class PurchOrderActivationExtended extends PurchOrderActivation {
public void initialize()
{
PurchOrderActivation purchOrderActivation =
PurchOrderActivation::construct();
}
}
B. class PurchOrderActivationExtended extends PurchOrderActivation {
public void initialize()
{
var purchOrderActivation = new PurchOrderActivation(); }
}
C. class PurchOrderActivationExtended extends PurchOrderActivation {
public void initialize()
{
var purchOrderActivation = PurchOrderActivation::construct(); }
}
D. class PurchOrderActivationExtended extends PurchOrderActivation {
public void initialize()
{
PurchOrderActivation purchOrderActivation = new PurchOrderActivation ();
}
}
Answer: BD
QUESTION 21
You are a developer for an Independent Software Vendor (ISV).
You need to create new extended data types in Microsoft Dynamics 365 for Finance and Operations.
What are two best practices for extending a series of data types?Each correct answer presents acomplete solution.
A. An EDT should be created for each atomic entity being utilized.
B. Subtypes are not required for EDTs that do not contain any property changes.
C. You cannot extend the recID or tableID system data types.
D. You cannot use EDTs if one of them is a member of the parent extended data.
Answer: AB
Explanation:
Whenever possible, you will want to use EDTs and EDTs should be created for each atomic entity in thesituation that your application is modeling.You should only create subtypes when they are needed. In other words, when you are creating an EDTthat extends another EDT, but you aren’t changing any of its properties, you probably do not need tocreate a new subtype.
QUESTION 22
You are installing Microsoft Dynamics 365 for Retail at a store location.
You want to share a drawer between point-of-sale (POS) clients.
To achieve this goal, which component should you install on the computer connected to the cash drawer?
A. Hardware Station
B. Cloud POS
C. Commerce Runtime (CRT)
D. Retail Server
Answer: A
Explanation:
Retail hardware station provides services that enable retail POS clients and peripherals such as printers, cash drawers, and payment devices to communicate with retail server.
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