Quiz: SAP BI/BW -- beginner level

SearchSAP.com's quiz series is designed to help you evaluate your BI/BW skill set. This quiz is the first part of the three-part series written by SAP BI/BW expert Jay Narayanan.

It is a beginner-level quiz and it covers SAP BI/BW architecture, modeling, extraction and information retrieval.
Note: This quiz is based on the BW release 3.5, which is a part of SAP NetWeaver 2004.

Look for the upcoming quizzes in this series.

* SAP BI/BW Quiz – Intermediate level -- Available May, 2006
* SAP BI/BW Quiz – Advanced level -- Available June, 2006

How to take the quiz:

* After reading the question, note the letter of your answer.
NOTE: Some questions may have more than one appropriate answer!
* Check your answers by clicking the link to the answer key at the end of the quiz.
* To learn more about a topic and the correct response to the question, open the link that follows the response on the answer page.

Want to learn even more about BI and BW? Submit your score for a chance to win a copy of this month's featured book, SAP BW Data Modeling!

1. The following transactions are relevant to the data sources in an SAP BW source system.

a. RSA3
b. RSA4
c. RSA5
d. RSA6

2. True or False? A reference characteristic will use the SID table and master data table of the referred characteristic.

a. True
b. False

3. The following statements are not true about navigational attributes.

a. An attribute of an info object cannot be made navigational if the attribute-only flag on the attribute info object has been checked.
b. Navigational attributes can be used to create aggregates.
c. It is possible to make a display attribute to navigational in an info cube data without deleting all the data from the info cube.
d. Once an attribute is made navigational in an info cube, it is possible to change it back to a display attribute if the data has been deleted from the info cube.

4. True or False? It is possible to create a key figure without assigning currency or unit.

a. True
b. False

5. The following statements are true for compounded info objects.

a. An info cube needs to contain all info objects of the compounded info object if it has been included in the info cube.
b. An info object cannot be included as a compounding object if it is defined as an attribute only.
c. An info object can be included as an attribute and a compounding object simultaneously.
d. The total length of a compounded info object cannot exceed 60.

6. The following statements are true for an info cube.

a. Each characteristic of info cube should be assigned to at least one dimension.
b. One characteristic can be assigned to more than one dimensions.
c. One dimension can have more than one characteristic.
d. More than one characteristic can be assigned to one line item dimension.

7. The following statements are true for info cubes and aggregates.

a. Requests cannot be deleted if info cubes are compressed.
b. A request cannot be deleted from an info cube if that request (is compressed) in the aggregates.
c. Deleting a request from the cube will delete the corresponding request from the aggregate, if the aggregate has not been compressed.
d. All of the above.

8. The following statements are true regarding the ODS request deletion.

a. It is not possible to delete a request from ODS after the request has been activated.
b. Deleting an (inactive) request will delete all requests that have been loaded into the ODS after this request was loaded.
c. Deleting an active request will delete the request from the change log table.
d. None of the above.

9. The following statements are true for aggregates.

a. An aggregate stores data of an info cube redundantly and persistently in a summarized form in the database.
b. An aggregate can be built on characteristics or navigational attributes from the info cube.
c. Aggregates enable queries to access data quickly for reporting.
d. None of the above.

10. True or False? If an info cube has active aggregates built on it, the new requests loaded will not be available for reporting until the rollup has been completed successfully.

a. True
b. False

11. What is the primary purpose of having multi-dimensional data models?

a. To deliver structured information that the business user can easily navigate by using any possible combination of business terms to show the KPIs.
b. To make it easier for developers to build applications, that will be helpful for the business users.
c. To make it easier to store data in the database and avoid redundancy.
d. All of the above.

12. The following statements are true for partitioning.

a. If a cube has been partitioned, the E table of the info cube will be partitioned on time.
b. The F table of the info cube is partitioned on request.
c. The PSA table is partitioned automatically with several requests on one partition.
d. It is not possible to partition the info cube after data has been loaded, unless all the data is deleted from the cube.

13. The following statements are true for OLAP CACHE.

a. Query navigation states and query results are stored in the application server memory.
b. If the same query has been executed by another user the result sets can be used if the global cache is active.
c. Reading query results from OLAP cache is faster than reading from the database.
d. Changing the query will invalidate the OLAP cache for that query.

14. The following statements are true about the communication structure.

a. It contains all the info objects that belong to an info source.
b. All the data is updated into the info cube with this structure.
c. It is dependent on the source system.
d. All of the above.

15. The following statements are untrue about ODSs.

a. It is possible to create ODSs without any data fields.
b. An ODS can have a maximum of 16 key fields.
c. Characteristics and key figures can be added as key fields in an ODS.
d. After creating and activating, an export data source is created automatically.

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