IBM 000-421 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 000-421
Exam Name/Title: InfoSphere DataStage v8.5
Certification Provider: IBM
Corresponding Certification: IBM Specialist

Exam Questions: 194
Updated On: May 26, 2026

Question #25

A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A. Filter stage

B. Switch stage

C. Split Vector stage

D. Transformer stage

Discussion 0

Correct Answer: A Vote an answer

Question #26

Which three methods can be used to import metadata from a Web Services Description Language (WSDL) document? (Choose three.)

A. Orchestrate Schema Definitions

B. Web Services WSDL Definitions

C. Web Service Function Definitions

D. Job Stage Column tab properties entered using "Load" feature

E. XML Table Definitions

Discussion 0

Correct Answer: B,C,E Vote an answer

Question #27

Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)

A. the IBM Suite User Configuration file specified within the dsenv file

B. the local operating system directory

C. the IBM Metadata repository

D. the IBM Information Server user directory

Discussion 0

Correct Answer: B,D Vote an answer

Question #28

Configuring the weighting column of an Aggregator stage affects which three options. (Choose three.)

A. Sum of Weights

B. Percent Coefficient of Variation

C. Sum

D. Corrected Sum of Squares

E. Maximum Value

Discussion 0

Correct Answer: A,B,C Vote an answer

Question #29

A job design consists of an input sequential file, a Modify stage, followed by a Filter stage and an output SequentialFile stage. The job is run on an SMP machine with a configuration file defined with three nodes. No environment variables were set for the job. How many osh processes will this job create?

A. 11

B. 16

C. 9

D. 8

Discussion 0

Correct Answer: C Vote an answer

Question #30

A 100MB input dataset has even distribution across 400 unique key values.
When run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Select two)

A. Alter the Sort stage properties to perform a stable sort.

B. Specify Round Robin partitioning on the input link to the Sort stage.

C. Set $APT_TSORT_STRESS_BLOCKSIZE to 50M

D. Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.

E. Convert all numeric fields to varchars.

Discussion 0

Correct Answer: C,D Vote an answer

Question #31

Your customer is using Source Code Control Integration for Information server and have tagged artifacts for version 1. You must create a deployment package from the version 1.
Before you create the package you will have to ensure the project is up to date with version 1.
What two things must you do to update the meta-data repository with the artifacts tagged as version 1? (Select two)

A. Right-click the asset and click Replace From Source Control Workspace.

B. Right-click the asset and click the Deploy command.

C. Right-click the asset and click the Team Import command.

D. Right-click the asset and click the Team command to update the Source Control Workspace with the asset.

Discussion 0

Correct Answer: C,D Vote an answer

Question #32

Your job sequence must be restartable. It runs Job1, Job2, and Job3 serially. It has been compiled with "Add checkpoints so sequence is restartable". Job1 must execute every run even after a failure. Which two properties must be selected to ensure that Job1 is run each time, even after a failure? (Choose two.)

A. Set the Job1 Activity stage to "Do not checkpoint run.".

B. In the Job1 Activity stage set the Execution action to "Reset if required, then run.".

C. Use the Nested Condition Activity with a trigger leading to Job1; set the trigger expression type to "Unconditional".

D. Set trigger on the Job1 Activity stage to "Unconditional".

Discussion 0

Correct Answer: A,B Vote an answer

Question #33

What two data sources support direct lookups? (Select two)

A. Teradata

B. DB2

C. SqIServer

D. ODBC

E. Oracle

Discussion 0

Correct Answer: B,E Vote an answer

Question #34

You are setting up project defaults. Which three items can be set in DataStage Administrator? (Choose three.)

A. default for Runtime Column Propagation

B. suite roles

C. default prompting options, such as Autosave job before compile

D. default for compile options

E. defaults for environment variables

Discussion 0

Correct Answer: A,D,E Vote an answer

Question #35

Which two statements are true about DataStage parallel routines? (Choose two.)

A. Parallel routines created as shared library functions are not supported.

B. Parallel routines are coded within a DataStage Designer editor.

C. Parallel routines can be written that are called from within the Transformer stage.

D. Parallel routines are written in DataStage Basic.

E. Parallel routines can be written that are called before or after a stage runs.

Discussion 0

Correct Answer: C,E Vote an answer

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Question #36

Which two tasks can the Slowly Changing Dimensions (SCD) stage perform? (Choose two.)

A. Look up whether a record with a matching business key value exists in a fact table. If it does not, retrieve a new surrogate key value and insert a new row into the fact table.

B. Look up whether a record with a matching business key value exists in a dimension table. If it does, mark the record as not-current, and generate a new record with new values for selected fields.

C. Look up whether a record with a matching business key value exists in a dimension table. If it does, add new values for selected fields to values lists for those fields.

D. Look up whether a record with a matching business key value exists in a dimension table. If it does not, retrieve a new surrogate key value and insert a new row into the dimension table.

Discussion 0

Correct Answer: B,D Vote an answer

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