C-ABAPD-2309 sample questions

Question 1

A development team is building a side-by-side extension on SAP BTP for an SAP S/4HANA Cloud system. The extension needs to read product master data. To adhere to Clean Core principles, which of the following is the most appropriate method for accessing this data?

Accepted Answer

Consume a released OData API (e.g., API_PRODUCT_SRV) provided by SAP for the product master data.

Answer

Directly query the underlying database tables of the S/4HANA Cloud system using a remote connection.

Answer

Use an unreleased BAPI that provides the required data, as it offers better performance than OData APIs.

Answer

Set up a full data replication of the product master tables to a database on SAP BTP and query it locally.

Question 2

A developer is implementing a managed RAP Business Object with draft capabilities. They need to create a custom action that copies data from a related entity into the current draft instance. This action should be available on the UI for the user to trigger. What is the correct way to define this action in the Behavior Definition?

Accepted Answer

action ( instance ) copyRelatedData result [1] $self;

Answer

action ( static ) copyRelatedData result [1] $self;

Answer

determination copyRelatedData on modify { create; }

Answer

validation copyRelatedData on save { create; update; }

Question 3

You are designing a CDS data model for sales orders. You have a CDS view entity for Sales Order Headers (`Z_I_SalesOrderHeader`) and another for Sales Order Items (`Z_I_SalesOrderItem`). Each header can have multiple items. What is the most performant and semantically correct way to model this one-to-many relationship in the Sales Order Header CDS view to enable path expressions for accessing the items?

Accepted Answer

Define a composition to the item entity: `composition [0..*] of Z_I_SalesOrderItem as _Items on $projection.SalesOrder = _Items.SalesOrder;`

Answer

Define a simple association to the item entity: `association [0..*] to Z_I_SalesOrderItem as _Items on $projection.SalesOrder = _Items.SalesOrder;`

Answer

Use a LEFT OUTER JOIN in the SELECT statement of the header view to include item data.

Answer

Define an association with TO ONE cardinality: `association to one Z_I_SalesOrderItem as _Item on $projection.SalesOrder = _Item.SalesOrder;`

Question 4

A developer needs to create an in-app extension for a standard SAP Fiori app in S/4HANA Cloud. The requirement is to add a new custom field to the UI and implement logic to populate this field based on other standard fields. Which combination of extensibility tools and ABAP Cloud development model artifacts is required to achieve this? (Select TWO)

Accepted Answer

The 'Custom Fields and Logic' Fiori app to define the new field and enable it for the required UI and data sources.

Accepted Answer

A Business Add-In (BAdI) implementation created in ABAP Development Tools (ADT) to contain the custom calculation logic for the new field.

Answer

A classic user exit implemented in SE80 to inject the custom logic.

Answer

A modification to the standard SAP Fiori UI5 application project to add the new field.

Answer

A custom database table created in SE11 to store the calculated value.

Question 5

When implementing a behavior for a managed RAP business object, you need to automatically set the `CreatedOn` timestamp when a new instance is created. Which RAP behavior artifact is specifically designed for this purpose?

Accepted Answer

A determination defined with `determination setTimestamp on modify { create; }`.

Answer

A validation defined with `validation SetTimestamp on save { create; }`.

Answer

An action defined with `action ( internal ) setTimestamp`.

Answer

Logic placed within the `FINALIZE` method of the behavior pool class.

Question 6

True or False: In the ABAP Cloud development model, it is a recommended practice to directly call a standard SAP function module (e.g., `BAPI_SALESORDER_CREATEFROMDAT2`) from your custom code if it has not been officially released for cloud development.

Accepted Answer

False

Answer

True

Question 7

A consultant is reviewing an existing ABAP program for performance optimization. They find a LOOP AT statement on a large internal table that performs a READ TABLE on another large internal table inside the loop. Both tables are standard tables.

LOOP AT lt_sales_orders INTO ls_sales_order.
READ TABLE lt_customer_data INTO ls_customer_data
WITH KEY customer_id = ls_sales_order-customer_id.
" ... further processing
ENDLOOP.

Which of the following refactoring approaches offers the most significant performance improvement for this code snippet?

Accepted Answer

Change the `lt_customer_data` internal table to a `HASHED TABLE` with a unique key on `customer_id`.

Answer

Add the `BINARY SEARCH` addition to the `READ TABLE` statement.

Answer

Change the `lt_customer_data` internal table to a `SORTED TABLE` with a key on `customer_id`.

Answer

Replace the inner `READ TABLE` with a `LOOP AT lt_customer_data` with a `WHERE` clause.

Question 8

You are performing a code pushdown to a HANA database using a CDS Table Function. Which of the following statements about CDS Table Functions are correct? (Select TWO)

Accepted Answer

They are implemented using a native SQLScript method within an AMDP class.

Accepted Answer

They can be used directly in ABAP SQL SELECT statements just like a transparent table or CDS view.

Answer

They cannot accept input parameters, making them suitable only for static data retrieval.

Answer

The implementation logic is written in standard ABAP within the AMDP method.

Answer

They can only be created for the SAP HANA database and are not supported on other database platforms.

Question 9

A developer needs to implement a class that can calculate taxes for different countries. The base calculation logic is the same, but the tax rate is country-specific. The company plans to add support for more countries in the future without changing the existing code that calls the tax calculation service. Which object-oriented design principle is best suited for this requirement?

Accepted Answer

The Open/Closed Principle, using an interface or abstract base class for the calculator and concrete classes for each country.

Answer

The Singleton Pattern to ensure only one tax calculator instance exists.

Answer

The Liskov Substitution Principle to ensure subclasses are substitutable for their base classes.

Answer

The Interface Segregation Principle to create multiple client-specific interfaces.

Question 10

An architect is designing a Fiori application using the ABAP RESTful Application Programming Model (RAP). The application needs to display a list of purchase orders and their items. The business logic requires that whenever a purchase order's status is updated, the `LastChangedAt` timestamp for all its associated items must also be updated. Where should this logic be implemented according to RAP best practices? ```mermaid graph TD subgraph PurchaseOrderBO [Purchase Order BO] direction LR POHeader[Root: Purchase Order Header] --> POItem[Child: Purchase Order Item] end POHeader --triggers--> UpdateLogic{Update Logic} UpdateLogic --updates--> POHeader UpdateLogic --cascades_update--> POItem ```

Accepted Answer

In the behavior implementation of the purchase order header, using a determination on modify that reads and updates the associated child items.

Answer

In the frontend UI5 controller, which iterates through items and triggers an update for each one.

Answer

In the behavior implementation of the purchase order item, using a determination that reads the parent's status.

Answer

In a separate helper class that is called from both the header and item behavior implementations.

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