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IBM A2090-303 Exam Syllabus Topics:

IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:

1. Which statement is true about Information Server logging?

A) Severity levels specify the threshold for saving events in the metadata repository.
B) You can activate or de-activate the logging configuration in DataStage Administrator.
C) Multiple configurations can be active at the same time.
D) You must log into the Information Server Web Console as a DataStage administrator in order to configure logging.

2. Which DB2 to InfoSphere DataStage data type conversion is correct when reading data with the DB2 Connector stage?

A) VARCHAR, 32768 to SQL_VARCHAR
B) CHAR FOR BIT DATA to SQL_VARBINARY
C) BIGINT to SQL_BIGINT (INT32)
D) XML to SQL_WVARCHAR

3. You are processing groups of rows in a Transformer. The first row in each group contains "1" in the Flag column and "0" in the remaining rows of the group. At the end of each group you want to sum and output the QTY column values. Which technique will enable you to retrieve the sum of the last group?

A) Output the sum that you generated up to the previous row each time you process a row with a
"1" in the Flag column.
B) Output the sum that you generated each time you process a row for which the LastRow()
function returns True.
C) Output a running total for each group for each row. Follow the Transformer stage by an
Aggregator stage. Take the MAX of the QTY column
for each group.
D) Output the sum that you generated up to the previous row each time you process a row with a
"1" in the Flag column. Use the FirstRow()
function to determine when the group is done.

4. In a file defining a partial schema, which two properties define the record? (Choose two.)

A) position
B) length_of_record
C) intact
D) delim
E) record_delim_string

5. Which step is required to change from a normal lookup to a sparse lookup in an ODBC Connector stage?

A) Change the partitioning to hash.
B) Sort the data on the reference link.
C) Replace columns at the beginning of a SELECT statement with a wildcard asterisk (*).
D) Change the lookup option in the stage properties to "Sparse".

Solutions: