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IBM A2090-421 Exam Syllabus Topics:

IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which two properties can be set to read a fixed width sequential file in parallel? (Choose two.)

A) Set the Execution mode to "Parallel".
B) Set the "Number of Readers Per Node" optional property to a value greater than 1.
C) Set the "Read from Multiple Nodes" optional property to a value greater than 1.
D) Set Read Method to "File Pattern".

2. A customer requests you to configure a Sequential File stage in a clustered environment. The stage must read a varying number of files each run in a single pass and append the name of the file the row was read from when an error occurs. What three steps are required to achieve this? (Select three)

A) Set environment variable $APT_SEQ_FILE_INCL_FILENAMES.
B) Specify multiple "File" properties.
C) Specify File Name Column property.
D) Set environment variable $APT_IMPORT_PATTERN_USES_FILESET.
E) Specify a file pattern option along with a file name mask that captures entire file list.

3. A copy of a production job was moved into a development project and modified to improve performance. You must prepare a report for a code review that documents the changes to the job.
How would you gather the information for this report? (Select two)

A) Compare Within
B) DSMakeJobReport
C) Cross Project Compare
D) diffapicmdline.exe

4. Which of the following describes a type two update in a Slowly Changing Dimensions (SCD) stage?

A) An update that replaces the existing column value if a specified condition is satisfied.
B) An update that retains the existing column value in a list and adds the new value to the list.
C) An update that overwrites the existing column value.
D) An update the retains the existing column value in an historical row and creates a new row with the new value.

5. 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 Information Server user directory
D) the IBM Metadata repository

Solutions: