SAP C_BW4H_2404 SAP Certified Associate - Data Engineer - Data Fabric Exam Practice Test

Data Mart DataStore Object Properties:

Designed for flexible reporting scenarios where data is treated with minimal restrictions.

Key Behaviors:

Union for Reporting (Answer C):Combines inbound and active tables for reporting, allowing real-time insights.

Key Handling (Answer D):All characteristics are treated as part of the key, ensuring no duplicate records in the Data Mart.

Change Log Activation (Option A):The change log is irrelevant for Data Mart DSOs.

Query Results (Option B):Query results can be shown even before data activation.

Incorrect Options:References:

SAP BW/4HANA Advanced DataStore Object Documentation

SAP Data Mart Modeling Guide

A. Display Attributes:

Key date determines which version of a display attribute is visible in reports.

D. Hierarchies:

Time-dependent hierarchies reflect structures based on the key date in a query.

E. Navigation Attributes:

Time-dependent navigation attributes adapt dynamically to the key date.

References:SAP BW Query Key Date Features (SAP Help Portal).

A. S_RS_COMP:

This authorization object is required to manage components like queries in SAP BW/4HANA. It provides access to the query definition.

C. S_RS_COMP1:

This is an extended authorization object for query components that enables additional capabilities related to managing and changing query definitions.

References:SAP BW/4HANA Security Guide (SAP Help Portal).

A. RODPS_REPL_TEST:

This program tests the functionality of an ODP DataSource and helps validate the data delivered to SAP BW/4HANA.

C. RSA3 (Extractor checker):

This transaction checks the output of a DataSource in SAP ERP, allowing analysis and validation of data extraction logic.

References:SAP ERP extractor troubleshooting (SAP Help Portal).

Transaction ST01 (Answer A):

TheST01transaction is used to trace authorization checks and identify missing authorizations during query execution, including specific characteristic values.

RSUDO (Option B):Used for testing user authorizations but not for tracing.

STAUTHTRACE (Option C):General trace tool but not specific to SAP BW authorizations.

SU53 (Option D):Displays the last failed authorization check but does not provide detailed traces for BW queries.

Incorrect Options:References:

SAP BW Authorization Trace Documentation

SAP Help Portal – ST01 Authorization Trace Tool

Replace Lower-Level CompositeProvider (Answer A):

Using a DataStore object (advanced) for historical data improves performance by enabling optimized data storage, indexing, and query execution compared to a CompositeProvider.

Generate Dataflow for Historic Data (Answer D):

The "Generate Dataflow" feature allows you to extract data from Open ODS views and load it into new advanced DataStore objects, improving performance by reducing dependency on dynamic query processing.

Join Node Instead of Union (Option B):Joins are not suitable for comparing current and historic values.

Open ODS for Current Data (Option C):Open ODS views for current data may introduce latency and lack indexing optimizations.

Incorrect Options:References:

SAP BW/4HANA Modeling Guide

SAP Help Portal – Performance Optimization Techniques

Option A:

Data from BW bridge is imported into its designated space, shared with the customer space, and combined through additional views.

Option B:

BW bridge objects are directly imported into the customer space, simplifying data modeling by using additional views in the same space.

Option C:Sharing views from the customer space back to BW bridge is not standard practice.

Option D:Importing objects from customer space to BW bridge is against recommended workflows.

Incorrect Options:References:

SAP Datasphere BW Bridge Integration Guide

B. No hierarchy data related to business partner values:

Hierarchical relationships in SAP BW/4HANA must not reference the business partner values being deleted. These relationships are maintained at runtime and prevent deletion if still active.

C. No transaction data referring to business partner values:

Transactional dependencies must be cleared before deleting master data, as references in advanced DataStore Objects would cause inconsistency.

References:SAP BW/4HANA Master Data Deletion documentation (SAP Help Portal).

B. Python for complex transformation:

SAP Datasphere supports the use of Python for advanced and custom transformations during data processing.

C. Data combination with Union/Join operators:

Data Flow allows combining multiple data sources through Union or Join operators for seamless integration.

E. Target modes (Append/Truncate/Delete):

These target modes provide flexibility in managing data in the target table during the data flow execution.

References:SAP Datasphere Data Flow documentation (SAP Help Portal)

Explanation:

A generic DataSource must be released for ODP in SAP ERP to enable its replication in SAP BW/4HANA. Without this release, the ODP_SAP source system type cannot access the DataSource.

References:SAP Operational Data Provisioning documentation (SAP Help Portal).

ODP Source System Creation (Answer C):

In SAP BW/4HANA, an ODP source system must be defined with the context ODP_CDS to enable data extraction from ABAP CDS views.

Data Extraction Annotations (Answer D):

CDS views must include annotations for data extraction (@Analytics.dataCategoryand@Analytics.query), ensuring compatibility with the ODP framework.

Program RODPS_OS_EXPOSE (Option A):This program is used for Operational Data Providers (ODPs), not ABAP CDS.

Operational Data Provisioning Framework in BW (Option B):The framework must be configured in the source system, not BW/4HANA.

Incorrect Options:References:

SAP Help Portal – ODP Context for ABAP CDS Views

SAP BW/4HANA Extraction Guide

Attribute Only (Answer B):

InfoObjects set as "Attribute Only" cannot be used as navigational attributes.

High Cardinality (Answer C):

Characteristics with high cardinality cannot be converted into navigational attributes due to performance considerations.

Conversion Routine (Answer E):

Conversion routines like "ALPHA" in the main InfoObject prevent certain transformations of attributes.

Character String Data Type (Option A):This does not impact navigational attribute status.

Key Figure Definition (Option D):Key Figures are not relevant for attribute relationships.

Incorrect Options:References:

SAP BW/4HANA InfoObject Attribute Restrictions Documentation

Calendar Day (Answer A):

Can be used as a delta-specific field to track changes based on date.

Numeric Pointer (Answer C):

Tracks incremental changes using numerical increments.

Time Stamp (Answer E):

Enables precise tracking of delta changes using exact time values.

Request ID (Option B):Not relevant for delta-specific tracking.

Record Mode (Option D):Used for determining operation types (insert, delete, update), not for delta tracking.

Incorrect Options:References:

SAP S/4HANA Generic Delta Management Documentation

SAP BW/4HANA Delta-Specific Fields Overview

When the Read Access Type is set to "SAP HANA View" for an InfoObject in SAP BW/4HANA:

SAP HANA Calculation View Generation:

This setting enables the generation of an SAP HANA calculation view of the data categoryDimensionfor the InfoObject.

The view allows seamless integration and use of the InfoObject in other HANA-native modeling scenarios.

Purpose:

To enhance data access and leverage SAP HANA’s performance for analytics and modeling.

References:

SAP BW/4HANA InfoObject Configuration Documentation

SAP HANA Modeling Guide

Transitive Attributes Use Case:

Transitive attributes allow reporting on navigational attributes of other navigational attributes.

Scenarios:

For example, if a Product has a Supplier (navigational attribute), and the Supplier has a Country (navigational attribute), a transitive attribute enables reporting directly on the Country associated with a Product.

References:

SAP Help Portal – Transitive Attributes

SAP BW/4HANA Attribute Modeling Guide

A. RSECADMIN:

This transaction allows direct assignment of analysis authorizations to individual users for controlling access to data in SAP BW/4HANA.

D. PFCG with S_RS_AUTH:

Analysis authorizations can be assigned to roles via transaction PFCG using the authorization object S_RS_AUTH to integrate security roles effectively.

References:SAP BW/4HANA Analysis Authorization Management (SAP Help Portal).

B. Build views procedures using SQL script:

This is a core feature of SAP HANA modeling, where you can define Calculation Views or Procedures directly using SQL scripts for advanced data transformations and calculations.

Transitive Attribute (Answer A):

Using transitive attributes introduces additional joins in queries, increasing complexity and affecting performance.

Disabling Change Log (Answer B):

Unchecking the change log property can improve load performance but risks losing data change tracking, which may affect downstream reporting.

Include Characteristics Directly (Answer E):

Including a characteristic from the underlying DataMart DataStore object reduces runtime overhead compared to navigating attributes indirectly.

Move Characteristics (Option C):Moving characteristics within a DataStore object has minimal impact on performance.

Time-Dependent Attribute (Option D):Changing attributes to time-dependent adds metadata but does not significantly affect runtime performance.

Incorrect Options:References:

SAP BW/4HANA Performance Optimization Guide

B. Generate external views:

External views allow joining master data and transactional data in SAP HANA Calculation Views for flexible reporting.

C. Composite Provider with left outer joins:

Composite Providers allow combining data using joins, providing a flexible virtual data mart structure.

E. Open ODS View with associations:

Open ODS Views enable flexible modeling using associations between different master data entities.

References:SAP BW/4HANA modeling and reporting documentation (SAP Help Portal).

A. Reusing product dimension view:

Sharing dimensions ensures consistency across fact models for multiple business segments.

C. Reusing source connections in replication flows:

A shared source connection enables efficient use across multiple replication flows, reducing redundancy.

E. Using remote tables in SAP BW bridge space:

Shared access to remote tables across core spaces enhances data federation and integration.

References:SAP Datasphere object sharing use cases (SAP Help Portal).

Agile Models (Answer A):

SAP Datasphere empowers business users to connect multiple data sources and create flexible, user-friendly models without IT dependencies.

Restricted Calculated Columns (Answer D):

Users can define restricted or calculated columns for advanced analytics using existing data models, enhancing decision-making capabilities.

CSV Uploads (Answer E):

The platform allows users to directly upload external data sources, such as CSV files, to enrich their analysis and models.

Fiori Apps (Option B):Embedded Fiori apps are related to transactional systems, not Datasphere modeling.

System Resource Allocation (Option C):Resource allocation typically requires IT involvement.

Incorrect Options:References:

SAP Datasphere User Guide

Separating master data from transactional data in SAP BW/4HANA offers the following benefits:

Allowing Different Data Load Frequency (Answer B):

Master data and transactional data have different update cycles. Separating them allows each to be loaded and updated independently based on business requirements.

Ensuring Referential Integrity (Answer C):

Master data ensures consistent referencing for transactional records, maintaining data integrity in reports and analyses.

Providing Language-Dependent Texts (Answer D):

Master data supports multi-language text descriptions, enhancing usability in global environments.

Reducing Database Tables (Option A):The separation does not reduce database tables but organizes them more effectively.

Avoiding Generation of SID Values (Option E):SID generation is required for master data referencing and is a key feature, not an issue to avoid.

Incorrect Options:References:

SAP Help Portal – Master Data and Transactional Data Separation

SAP BW/4HANA Architecture Guide

In SAP BW queries, external hierarchy properties can be modified within the query definition to control the display and behavior of hierarchical data. The following properties can be customized:

Position of Child Nodes (Answer A):

Allows rearranging the order in which child nodes appear under their parent nodes.

This customization provides better alignment with user requirements or logical presentation of data.

Sort Direction (Answer B):

Enables sorting of nodes in ascending or descending order.

The sorting can be applied to meet reporting requirements and improve data readability.

Expand to Level (Answer C):

Controls the hierarchy's initial expansion level when the query is executed.

This is particularly useful for displaying specific levels of the hierarchy based on user preferences.

Display Text Nodes (Option D):Text node display is not directly adjustable via query definition.

Time Dependency (Option E):Time dependency of hierarchies is maintained during hierarchy creation but cannot be altered within the query definition.

Incorrect Options:References:

SAP Help Portal – Hierarchies in BW Queries

SAP BW Query Design Documentation

An HDB module is required to create and manage an HDI (HANA Deployment Infrastructure) container.

The HDB module includes the necessary configuration files and resources, such as.hdbcalculationviewor.hdbtablefiles, which define objects to be deployed in the HDI container.

Reference: SAP HANA HDI documentation (SAP Help Portal - HDI).