IBM C2090-421 : InfoSphere DataStage v8.5

C2090-421 pass collection

Exam Code: C2090-421

Exam Name: InfoSphere DataStage v8.5

Updated: Aug 02, 2026

Q & A: 194 Questions and Answers

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IBM C2090-421 Exam Syllabus Topics:

SectionWeightObjectives
Data Integration and Connectivity15%- Specialized stages and connectors
- Database connectivity and stages
- File handling and formats
Environment and Configuration25%- Configuration files and environment variables
- Distributed and asymmetric environments
- Project setup and administration
Administration and Deployment10%- Monitoring and logging
- Version control and migration
- Job packaging and deployment
Job Design and Development30%- Partitioning and collecting methods
- Transformer and derivation logic
- Stage configuration and properties
- Parallel job design principles
Performance and Tuning20%- Buffer and sort tuning
- Job optimization and scaling
- Resource management

IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which two statements are true about project-level configuration for National Language Support (NLS)? (Select two)

A) Change the Parallel job project map.
B) Choose appropriate NLS map in the stage property.
C) Change the Parallel job project locale.
D) Choose NVarChar for string fields.


2. What are the three features of Information Server that allow you to deploy DataStage objects? (Select three)

A) Designer Client Export
B) $APT_COPY_TRANSFORMER
C) dscc.exe
D) Information Server Manager
E) istool


3. Which Oracle data type conversion is correct?

A) Oracle data type NUMBER converts to DECIMAL(38, 0) in Oracle Enterprise stage.
B) Oracle data type NUMBER(6, 0) converts to INT32 in Oracle Enterprise.
C) Oracle data type NUMBER(15, 0) converts to INT32 in Oracle Enterprise stage.
D) Oracle data type RAW converts to RAW in Oracle Enterprise stage.


4. You are required to use a Make Vector stage in your job. What three requirements must be met in order to use this stage? (Choose three.)

A) Input columns must all be of the same data type.
B) Input columns that do not have a name of form <column_name>0 to <column_name>n, where <column_name> is the column name and 0 and n are the first and last of its consecutive numbers will not be included in the vector and will be dropped.
C) Columns must be in consecutive order.
D) Input columns must form a numeric sequence.
E) All columns are combined into a vector of the same length as the number of columns.


5. When you configure a domain for source code integration a source control workspace is created. What are two reasons for the source control workspace? (Choose two.)

A) default directory for istool exports.
B) provides a place to store the archive created by IS source code control integration
C) directory for deployment package files
D) local transfer area for assets being submitted to the source control system


Solutions:

Question # 1
Answer: A,B
Question # 2
Answer: C,D
Question # 3
Answer: A
Question # 4
Answer: A,D,E
Question # 5
Answer: B,D

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