C_BW4H_2404 Exam Dumps - SAP Certified Associate - Data Engineer - Data Fabric

ï‚·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.

ï‚·References:SAP Operational Data Provisioning documentation (SAP Help Portal).

Exceptions in BW queries are used to define threshold-based highlighting for key figures.

Steps to Implement:

Define an exception in the BW query for the key figure.

Set threshold values and assign appropriate formatting (e.g., colors, symbols).

Enable visualization in SAP Analysis for Microsoft Office to display deviations.

References:

SAP Help Portal – Exception Threshold Definition

SAP Analysis for Microsoft Office Documentation

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

Simplify Transformations (Answer A):

InfoSources act as logical layers that allow breaking down complex transformations into manageable steps without needing intermediate storage.

Direct Access (Answer D):

InfoSources facilitate real-time access to source data for reporting and analytics without persisting the data.

Delta Extraction Information (Option B):Delta logic is managed at the DataSource level, not by InfoSources.

Multiple Sequential Transformations (Option C):DTPs handle single transformations at a time, even when InfoSources are used.

Incorrect Options:References:

SAP BW/4HANA InfoSource Functionality Guide

Open ODS View (Answer C):

Supports fields and InfoObjects, enabling flexibility in hybrid data modeling.

DataStore Object (Advanced) (Answer D):

Advanced DSOs allow combining fields and InfoObjects for data storage and reporting.

Composite Provider (Answer E):

Composite Providers integrate both fields and InfoObjects for dynamic data consumption.

Hierarchy (Option A):Hierarchies are specific to InfoObjects.

InfoObject Key Figure (Option B):Key figures cannot directly mix fields and InfoObjects.

Incorrect Options:References:

SAP BW/4HANA Modeling Guide

SAP Help Portal – Hybrid Data Modeling with Fields and InfoObjects

Core Layer as Main Storage:

The Flexible Enterprise Data Warehouse Core layer stores harmonized and consistent data.

It ensures data quality, integration, and consistency across the enterprise.

Purpose of Core Layer:

Provides a single version of truth for enterprise data.

Acts as the primary layer for analytics and reporting.

Open ODS Layer (Option A):Focuses on raw data and real-time reporting.

Data Acquisition Layer (Option B):Handles the initial data ingestion process.

Virtual Data Mart Layer (Option D):Serves as a reporting layer, not for main storage.

Incorrect Options:References:

SAP BW/4HANA LSA++ Overview

SAP Data Engineering Documentation

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

Create New Calculated Fields (Answer B):

Composite Providers allow defining calculated fields to derive new metrics or data fields from existing data, enabling advanced analytics.

Integrate SAP HANA Calculation Views (Answer D):

SAP HANA calculation views can be combined with BW data sources for seamless integration in Composite Providers.

Combine InfoProviders with Joins and Unions (Answer E):

Composite Providers allow the integration of multiple InfoProviders using Joins and Unions, offering flexibility in combining data sources.

Join ABAP CDS Views (Option A):Joins on CDS views are done within CDS modeling, not Composite Providers.

Define Restricted Key Figures (Option C):Restricted key figures are typically defined in queries, not directly in Composite Providers.

Incorrect Options:References:

SAP BW/4HANA Composite Provider Documentation

SAP BW Modeling Guide