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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. To better understand the data flowing through a job, it is desirable to have structural information about the datasets captured in the job log. Which environment variable can provide this information?

A) $APT_PM_PLAYER_MEMORY
B) $OSH_STDOUT_MSG
C) $APT_NO_PART_INSERTION
D) $OSH_PRINT_SCHEMAS

2. 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 Read Method to "File Pattern".
D) Set the "Read from Multiple Nodes" optional property to a value greater than 1.

3. A customer wants to select the entire order details for the largest transaction for each of 2 million customers from a 20 million row DB2 source table containing order history. Which parallel job design would satisfy this functional requirement?

A) Partition on customer key, sort on customer key and transaction amount, remove duplicates on customer key.
B) Partition and sort the input to a RemoveDuplicates stage using the customer key and transaction amount columns. Remove duplicates on customer key.
C) Partition and sort the input to a Filter stage by customer number. Filter with the clause "MAX(transaction_amount)".
D) Use a Sort Aggregator stage with calculated column based on the maximum value of transaction amount column.

4. 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; 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.
B) 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.
C) 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.
D) 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.

5. 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) 8
C) 9
D) 16

Solutions: