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最新的 IBM Specialist A2090-421 免費考試真題:

1. An important top level Job Sequence has been modified. It controls a process flow consisting of sub Job Sequences, Routines and Parallel Jobs. You must set up a new project to test the top level Job Sequence. You are not allowed to move any repository objects that are not impacted by the top level Job Sequence.
What two options would identify only the repository objects impacted by the change made to the top level Job Sequence? (Select two)

A) Select the top Level Job Sequence and Dependency of (deep).
B) Repository Advanced Find Where Used
C) On Export check Include dependencies of
D) Click Impact Analysis Icon on Designer Client Toolbar.

2. What three element Names are required to create Shared metadata? (Choose three.)

A) Host System
B) Database
C) Project Name
D) Database Instance
E) Schema

3. How are Shared Table definitions created from the DataStage Client?

A) This cannot be done from the DataStage Client
B) Using the "Shared Table Creation Wizard" from the DataStage Client.
C) Using the "Save" button on the "Table Properties" panel
D) Using the "Save" button on the columns tab on the Stage/Link editor
E) No need to, DataStage table definitions are automatically saved as shared metadata.

4. A DataStage job uses an Inner Join to combine data from two source parallel datasets that were written to disk in sort order based on the join key columns. Which two methods could be used to dramatically improve performance of this job? (Choose two.)

A) Explicitly specify hash partitioning and sorting on each input to the Join stage.
B) Set the environment variable $APT_SORT_INSERTION_CHECK_ONLY.
C) Add a parallel sort stage before each Join input, specifying the "Don't Sort, Previously Grouped" sort key mode for each key.
D) Disable job monitoring.
E) Unset the Preserve Partitioning flag on the output of each parallel dataset.

5. Which two data repositories can you use for user authentication within the Information Server Suite? (Choose two.)

A) the IBM Suite User Configuration file specified within the dsenv file
B) the local operating system directory
C) the IBM Information Server user directory
D) the IBM Metadata repository

問題與答案：