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C2020-625 - IBM Cognos 10 BI Data Warehouse Developer - Dump Information

Vendor : IBM
Exam Code : C2020-625
Exam Name : IBM Cognos 10 BI Data Warehouse Developer
Questions and Answers : 84 Q & A
Updated On : August 16, 2017
PDF Download Mirror : C2020-625 Brain Dump
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C2020-625 Questions and Answers

C2020-625


  1. User-defined folders cannot be exported.

  2. During importing, duplicate components are automatically renamed.

  3. User-defined folders cannot be imported.

  4. During importing, dependent components are automatically selected.


Answer: D


QUESTION: 75

To reduce memory usage, what should be done when setting up dimension breaking for a fact build?


  1. Ensure that each data source is sorted by the same set of dimensions, in the same sequence.

  2. Specify at least one aggregate rule for each dimension element for which breaking is enabled.

  3. Disable the hash table and page pool for the fact build.

  4. Disable late arriving facts processing for the fact build.


Answer: A


QUESTION: 76

When executed, what will the following command line string do?"c:\program files\cognos\c8\bin\rundsjob.exe" -P "ODBC" "DSN=DS_Advanced;DBMS=(other)" "Inventory_Fact_Data" -

VTRACE_VALUES=PROGRESS,DETAIL,INTERNAL,SQL,EXECUTEDSQL,USER,V ARIA BLE


  1. Execute a fact build called Inventory_Fact_Data.

  2. Add tables (such as INTERNAL) to the Inventory_Fact_Data database.

  3. Execute a JobStream called Inventory_Fact_Data.

  4. Create a database called Inventory_Fact_Data and add a connection to it.


Answer: C


QUESTION: 77

A DataStream includes two different data sources: "Golf Equipment" and "Other Equipment." For each incoming row, the developer wants to add a value that indicates the


data source that the row comes from. What should the developer do?


  1. Create a static member for each data source in the underlying hierarchy.

  2. Add a literal to each data source that references the data source name.

  3. Specify the source identity property for each data source in the DataStream.

  4. Add a derivation to the transformation model to create a new column.


Answer: B


QUESTION: 78

How can a developer nest a JobStream within another JobStream?


  1. Execute the first JobStream from the command line, and reference the second JobStream in the command.

  2. Add a procedure node to the JobStream.

  3. Execute the first JobStream using the Data Movement Service, and include the second JobStream in the resulting task.

  4. Add a JobStream node to the JobStream.


Answer: D


QUESTION: 79

A developer wants to ensure that each incoming row of fact data has a corresponding location code from a dimension table. What should the developer create?


  1. Lookup

  2. Dimensional determinant

  3. Member determinant

  4. Identifier


Answer: A


QUESTION: 80

When creating dimensions, what is commonly used to track historical changes?


  1. Level filters


  2. Surrogate keys

  3. Output filters

  4. Derived dimensions


Answer: B


QUESTION: 81

A developer has added a data source connection to a Data Manager catalog. This connection points to a relational database. The developer wants to view the contents of this database, such as the number of tables that it contains. What tool could the administrator use?


  1. SQLTerm

  2. SQLTXT Designer

  3. ODBC Administrator

  4. Reference Explorer


Answer: A


QUESTION: 82

Several conformed dimensions have been defined and must now be delivered to the data warehouse. Which is the best way to do this?


  1. Deliver the dimension tables through dimension builds.

  2. Run the necessary CREATE TABLE statements in SQLTXT.

  3. Deliver the dimension tables as part of a metadata collection.

  4. Create a metadata dimension and add it to a metadata star.


Answer: A


QUESTION: 83

A dimension table contains the following data:


If late arriving fact processing is enabled, what will be the value of the surrogate key assigned to the last row of fact data?


A. 11110

B. 11111

C. 11112

D. 11113


Answer: B


QUESTION: 84

Which of the following is an advantage of using conformed dimensions in a data warehouse?


  1. Conformed dimensions do not require the use of surrogate keys.

  2. Conformed dimensions enable users to drill from one area of their business to another.

  3. Conformed dimensions enable database views to be reused across the data warehouse.

  4. Conformed dimensions do not require the use of lookups.


Answer: B


IBM C2020-625 Exam (IBM Cognos 10 BI Data Warehouse Developer) Detailed Information

C2090-625 Test Information / Examination Information


Number of questions : 84
Time allowed in minutes: 90
Required passing score : 78%
Languages : English


C2090-625 Objectives


Test C2090-625: IBM Cognos 10 BI Data Warehouse Developer

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  • Overview- selected tab,
  • Objectives
  • Test preparation
  • Sample / Assessment Test
  • Note: This test will be withdrawn on Sep 30 2017.

    The IBM Cognos 10 BI Data Warehouse Developer exam covers key concepts, technologies, and functionality of the Cognos products. In preparation for an exam, we recommend a combination of training and hands-on experience, and a detailed review of product documentation.

    Data Manager and Data Warehousing (4%)

    1. Identify how Data Manager can be used
    2. Distinguish between OLTP systems and data warehouses

    Catalogs and Data Source Connections (12%)

    1. Describe the process of creating a catalog
    2. Identify how to use SQLTerm
    3. Describe how to configure text files using SQLTXT Designer
    4. Describe how to package catalog components
    5. Describe how to navigate through catalog components
    6. Describe how to export catalog metadata to Cognos 8

    Dimensions and Basic Hierarchies (7%)

    1. Determine appropriate situations for using a hierarchy
    2. Describe the use of the Reference Explorer tool
    3. Describe the use of the Date Hierarchy wizard

    Basic Dimension Builds and Fact Builds (12%)

    1. Describe the types of builds
    2. Describe the use of the Dimension Build wizard
    3. Describe the process of creating a fact build
    4. Describe the modification of build settings

    Derivations and Derived Dimensions (6%)

    1. Identify the benefits of creating a derivation
    2. Determine the appropriate location to create a derivation
    3. Identify when it would be useful to create a derived dimension

    Conformed Dimensions (10%)

    1. Describe the advantages of conformed dimensions
    2. Describe surrogate keys
    3. Describe how to deliver conformed dimensions
    4. Describe how to check data integrity

    Hierarchies and Lookups (8%)

    1. Describe ways to modify hierarchies and lookups
    2. Describe how to manipulate data using hierarchies and lookups

    Dimensional History and Late Arriving Data (10%)

    1. Describe the use of slowly changing dimensions (SCDs)
    2. Describe the handling of late arriving fact and dimension data

    Data Delivery and Data Processing (22%)

    1. Describe delivering fact and dimension data
    2. Describe how to merge and aggregate fact data
    3. Describe how to restrict fact data delivery
    4. Describe how to implement job control
    5. Describe how to pivot fact data

    User-Defined Functions (UDFs) and Variables (5%)

    1. Describe how to create UDFs
    2. Describe the use of variables

    Troubleshooting and Tuning (4%)

    1. Describe options to address memory and performance issues
    2. Describe how to interpret the log files

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