IBM InfoSphere DataStage v8.5 認定 000-421 試験問題:
1. A customer requires reading a fixed-length sequential file in parallel where input rows can be identified. What two tasks must be done to meet these requirements? (Choose two.)
A) Set partitioning method to Same.
B) Ensure data has unique identifiers for data rows.
C) Set $APT_READ_MULTI_NODES to TRUE.
D) Specify Multiple readers per node.
2. Which three attributes are found for each segment in a Data Set descriptor file? (Select three)
A) Path names of all data files on all processing nodes.
B) Statistical information such as number of records in the segment and number of bytes.
C) Flag marking segment as valid or invalid.
D) Copy of the configuration file used when segment was created.
E) Schema of Data Set.
3. 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 and define columns combining all data formats.
B) Create parallel routines.
C) Create separate jobs and choose appropriate job within a job sequence.
D) Create parallel shared containers with Runtime Column Propagation (RCP) ON and define only necessary columns needed for the logic.
4. How are Shared Table definitions created from the DataStage Client?
A) Using the "Save" button on the columns tab on the Stage/Link editor
B) No need to, DataStage table definitions are automatically saved as shared metadata.
C) Using the "Save" button on the "Table Properties" panel
D) Using the "Shared Table Creation Wizard" from the DataStage Client.
E) This cannot be done from the DataStage Client
5. A job is using the Load method in the DB2 and Oracle Enterprise stage for parallel loading into a single table. The job fails at runtime and you see there are new table rows added. What would explain this result? (Select two)
A) Some partitions completed before failure.
B) Commit size is smaller than source data.
C) Load operations are parallel.
D) Load operations are sequential.
質問と回答：
| 質問 # 1 正解： B、D | 質問 # 2 正解： A、B、D | 質問 # 3 正解： D | 質問 # 4 正解： D | 質問 # 5 正解： B、C |
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