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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. A client needs to process a flat file where a set of values in the import data columns should be treated as Null. What is the best way to handle multiple Null values using a Sequential File stage?

A) On the Output Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property.
B) On the Input Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.
C) On the Input Link format tab, specify a separator character in the dependent Null field value separator property and then use this separator to delimit the null values in the Null field value property. Click here to input option.
D) On the Output Link format tab, specify the null values in double quotes separated by a comma in the Null field value property.

2. Which three of the following are valid schema formats? (Choose three.)

A) Total Columns
B) Aggregator Columns
C) Decimal Columns
D) Raw Columns
E) Integer Columns

3. Your job uses the MQ connector stage to read messages from an MQ queue. The job should retrieve the message ID into the MessageID field and parse the payload into two fields: Name is to get the first ten characters, Description is to get the remaining characters.
What will accomplish this?

A) First column is MessageID as Binary 24; second column is Name as Binary 10; select WSMG. MSPAYLOAD data element; third column is Description as VarBinary 200; select WSMG.MSPAYLOAD data element.
B) First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; column is Description as VarBinary 200; third column is Name as Binary 10.
C) First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; second column is Name; select WSMG.MSPAYLOAD data element; third column is Description; select WSMG.MSPAYLOAD data element.
D) First column is MessageID; select the WSMQ.MSGID data element for the Message ID field; second column is Name as Binary 10; third column is Description as VarBinary 200.

4. A job design consists of an input SequentialFile stage, followed by a Peek stage, a Transformer stage, a Sort stage and finally an output Dataset stage. The job executes on an SMP system with a configuration file defined with 4 nodes.
The environment variable $APT_DISABLE_COMBINATION is set to "True". How many processes will this job create?

A) 12
B) 19
C) 17
D) 21

5. Which statement is true about buffering?

A) The framework uses /tmp by default for buffering on Unix systems.
B) The buffer operator uses both memory and disk storage.
C) In a clustered environment, using a disk space on an NFS mount for buffering improves performance.
D) The "buffer" scratch disk pool needs to be defined to allow the framework to perform data buffering.

Solutions: