Implement Data Synchronization with Dataverse PL-400 Practice Questions (Page 6)

Questions 26–30

1. 26application · medium

   A developer is synchronizing data from an external system to Dataverse. The external system sends records that may be new or existing. The developer wants to use a single message to insert or update records. Which message should the developer use?

   • AUpsertRequest
   • BRetrieveRequest
   • CCreateRequest
   • DUpdateRequest
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2. 27foundation · easy

   In code, how can you reference a record using an alternate key when performing an operation?

   • ABy setting the entity's Id property to the alternate key value
   • BBy using a QueryExpression with a condition on the alternate key
   • CBy creating an EntityReference with the alternate key name and value
   • DBy passing the primary key GUID to the RetrieveRequest
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4. 28expert · hard

   A developer is implementing a sync that uses an alternate key on the 'Email' attribute of the Contact table. The developer notices that some UpsertRequest calls fail with a duplicate key error. What is the most likely cause?

   • AThe Email attribute contains duplicate values in the source data.
   • BThe alternate key is not indexed.
   • CThe UpsertRequest is using the primary key instead of the alternate key.
   • DChange tracking is not enabled on the table.
   Reveal Solution Discussion Select an answer first
5. 29foundation · easy

   In a data synchronization strategy, what is the benefit of combining change tracking with UpsertRequest?

   • AIt allows the client to retrieve only changes and then apply them without checking for existence first
   • BIt guarantees that no duplicate records are ever created
   • CIt automatically deletes records that are no longer in the source system
   • DIt eliminates the need for alternate keys
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6. 30application · medium

   A developer needs to synchronize Invoice records from an external billing system. The billing system uses an InvoiceNumber string as the unique identifier. The developer wants to use the UpsertRequest message with an alternate key. What must be true about the InvoiceNumber column in Dataverse for the alternate key to be created?

   • AThe column must be of type integer and auto-numbered.
   • BThe column must be a lookup to another table.
   • CThe column must be the primary key of the table.
   • DThe column must have a unique constraint and cannot be a primary key.
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