C-BW4H-2505 Lab Questions & Latest C-BW4H-2505 Braindumps Files
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SAP C-BW4H-2505 Certification Exam Questions in 3 User-Friendly Formats
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SAP C-BW4H-2505 Exam Syllabus Topics:
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SAP Certified Associate - Data Engineer - SAP BW/4HANA Sample Questions (Q16-Q21):
NEW QUESTION # 16
Which are purposes of the Open Operational Data Store layer in the layered scalable architecture (LSA++) of SAP BW/4HANA? Note: There are 2 correctanswers to this question.
Answer: A,C
NEW QUESTION # 17
You are allowed to run a BW query, but the data selection is only partially covered by your authorizations.
What happens related to the BW query in this scenario?
Answer: A
NEW QUESTION # 18
You created an Open ODS View on an SAP HANA database table to virtually consume the data in SAP BW
/4HANReal-time reporting requirements have now changed you are asked to persist the data in SAP BW
/4HANA.Which objects are created when using the "Generate Data Flow" function in the Open ODS View editor? Note: There are 3 correctanswers to this question.
Answer: A,B,C
NEW QUESTION # 19
An upper-level CompositeProvider compares current values with historic values based on a union operation.
The current values are provided by a DataStore object (advanced) that is updated daily. Historic values are provided by a lower-level CompositeProvider that combines different open ODS views from DataSources.
What can you do to improve the performance of the BW queries that use the upper-level CompositeProvider?
Note: There are 2 correct answers to this question.
Answer: B,C
Explanation:
Improving the performance of BW queries that use a CompositeProvider involves optimizing the underlying data sources and their integration. Let's analyze each option to determine why A and D are correct:
* Explanation: CompositeProviders are powerful tools for combining data from multiple sources, but they can introduce performance overhead due to the complexity of union operations. Replacing the lower- level CompositeProvider with a DataStore object (advanced) simplifies the data model and improves query performance. The DataStore object can be preloaded with the combined historic data, eliminating the need for real-time union operations during query execution.
* In SAP BW/4HANA, DataStore objects (advanced) are optimized for high-performance data storage and retrieval. They provide faster access compared to CompositeProviders, especially when dealing with static or semi-static data like historic values.
2. Use a join node instead of the Union node in the upper-level CompositeProvider (Option B) Explanation: Replacing a Union node with a Join node is not always feasible, as these operations serve different purposes. A Union combines data from multiple sources into a single dataset, while a Join merges data based on matching keys. If the data model requires a Union operation, replacing it with a Join would fundamentally alter the query logic and produce incorrect results.
Reference: The choice between Union and Join depends on the business requirements and data relationships.
Performance improvements should focus on optimizing the existing Union operation rather than replacing it with an incompatible operation.
3. Replace the DataStore object (advanced) for current data with an Open ODS view that accesses the current data directly from the source system (Option C)Explanation: Accessing current data directly from the source system via an Open ODS view can introduce latency and increase the load on the source system.
Additionally, this approach bypasses the benefits of staging data in a DataStore object (advanced), such as data cleansing and transformation. For optimal performance, it is better to retain the DataStore object for current data.
Reference: SAP BW/4HANA emphasizes the use of DataStore objects (advanced) for staging and processing data before it is consumed by queries. This ensures consistent performance and reduces dependency on external systems.
4. Use the "Generate Dataflow" feature for the Open ODS views and load the historic data to the newly generated DataStore objects (advanced) (Option D)Explanation: The "Generate Dataflow" feature automates the process of creating dataflows for Open ODS views. By loading historic data into newly generated DataStore objects (advanced), you consolidate the data into a single, optimized storage layer. This eliminates the need for complex unions and improves query performance.
Reference: SAP BW/4HANA provides tools like "Generate Dataflow" to streamline data modeling and integration. Using DataStore objects (advanced) for historic data ensures efficient storage and retrieval.
ConclusionThe correct answers areA (Replace the lower-level CompositeProvider with a new DataStore object (advanced) and fill it with the same combination of historic data)andD (Use the "Generate Dataflow" feature for the Open ODS views and load the historic data to the newly generated DataStore objects (advanced)). These approaches simplify the data model, reduce query complexity, and improve overall performance.
NEW QUESTION # 20
In an SAP HANA smart data integration flowgraph, which transformation options are available?Note: There are 3 correctanswers to this question.
Answer: A,C,E
NEW QUESTION # 21
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Candidates who become SAP C-BW4H-2505 certified demonstrate their worth in the SAP field. C-BW4H-2505 certification is proof of their competence and skills. This is a highly sought after credential and it makes career advancement easier for the candidate. To become SAP C-BW4H-2505 Certified, you must pass the SAP Certified Associate - Data Engineer - SAP BW/4HANA (C-BW4H-2505) Exam. For this task, you need actual and updated C-BW4H-2505 Questions.
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