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IBM Websphere Datastage V.8.0 Sample Questions:

1. Which three statements are true about stage variables? (Choose three.)

A) Stage variables can be set to null.
B) Stage variables can be defined either global to the job or local to the stage.
C) Expressions evaluating a variable can include other variables or the variable being evaluated itself.
D) Stage variables can be initialized with spaces.
E) Stage variables are executed in order from top to bottom.

2. You are working on a job in which a sequential file cannot be read in parallel. In an attempt to improve job performance, you first define a single large string column for the non-parallel sequential file read. Which stage may be used to parse the large string in parallel?

A) The Column Export stage
B) The Column Import stage
C) The Make Vector stage
D) The Split Vector stage

3. A customer must compare the value of a decimal field to that of an integer field to determine whether to drop a row of data. What would be the correct stage to use for this requirement?

A) The Filter stage
B) The Transformer stage
C) The Compare stage
D) The Switch stage

4. You would like to verify that a job in the QA project is identical to the one in development project. How can you do this?

A) Compare the job description annotation fields of the two jobs.
B) Compare the job version number.
C) Select the job in question and use the cross project compare utility.
D) From the repository tree, select the cross project compare utility.

5. You are assigned to write a job which reads a sequential file, applies business logic, and writes the results to one or more flat-files. However, the number and names of the input columns may vary from one input file to the next. You are guaranteed that a core set of columns required to perform the business logic will always be present, though not necessarily in the same place on the input record. Which two features would you use to build this job? (Choose two.)

A) Data Set
B) $APT_EXPORT_INCLUDE_SCHEMA
C) Runtime Column Propagation
D) Schema File

Solutions: