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IBM Assessment: InfoSphere DataStage v8.5 Sample Questions:

1. Which two statements are true about the use of named node pools? (Choose two.)

A) Named node pools constraints will limit stages to be executed only on the nodes defined in the node pools.
B) Using appropriately named node pools forces DataStage to use named pipes between stages.
C) Clustered environments must have named node pools for data processing.
D) Named node pools can allow separation of buffering from sorting disks.

2. You are using the Change Capture stage in your job design to identify changes made to the input link (before image) to obtain the results in the output link. This job will be using a multi-node configuration file when executed. By default, the Change Capture stage produces an output change link with which two characteristics? (Choose two.)

A) Table Definition based on the after input link
B) added column named Difference_Value
C) added column named Change_Code
D) Table Definition based on the keys of the input link

3. External data conversions fall in two major types - automatic and manual. What are the three automatic conversions? (Select three)

A) Modify operator
B) Flat Text files
C) Relational data
D) Sequential File stage
E) SAS data

4. Which condition is required to use the LastRowInGroup() function to determine a key break on a field?

A) The input data has to be sorted by the key field, but it is not required that DataStage be able to detect this. For example, the input data might be sorted before it is input to the job. (However, the job will abort at runtime if the data isn't sorted.)
B) The LastRowInGroup() function does not require the data to be either sorted or grouped by the key field. If necessary the LastRowInGroup() function will perform a sort.
C) The LastRowInGroup() function requires the data to be grouped by the key field, but the data does not have to be sorted.
D) The input data has to be sorted by the key field and DataStage must be able to detect that the data is sorted, for example, by the presence of a Sort stage.

5. 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 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.
C) 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.
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.

Solutions: