IBM Assessment: InfoSphere DataStage v8.5 認定 A2090-421 試験問題:

1. What role must a user have to delete shared metadata assets from the repository?

A) Common Metadata Administrator
B) Information Analyzer User
C) Common Metadata User
D) DataStage Administrator
E) Business Glossary Administrator

2. In which two situations is it appropriate to use a Sparse Lookup? (Choose two.)

A) When reference data is significantly larger than the streaming data (100:1).
B) When invoking a stored procedure within a database per row in the streaming link.
C) When accessing DB2 data using the DB2 API stage.
D) When the output of the Lookup stage needs to be hashed partitioned.

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

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

4. You have been given operational requirements to introduce data recovery to one of your parallel job designs. Additionally, you have been told that you are to use flat files as your intermediate data structure. Which two tasks will accomplish these objectives? (Choose two.)

A) Break up the design by splitting it into at least two parallel jobs.
B) Use the Hash File stage to write and read data between parallel jobs.
C) Enable checkpoint restartability in each of your parallel stages.
D) Use the Sequential stage to export and import data between jobs.

5. You found there were common functional requirements in the data mapping specification. The required functions are same but the record formats are different. Which action will allow you to effectively implement common logic?

A) Create parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary columns needed for the logic.
B) Create separate jobs and choose appropriate job within a job sequence.
C) Create parallel routines.
D) Create parallel shared containers and define columns combining all data formats.

質問と回答：