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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which two statements are true about the usage of scratch disk? (Choose two.)

A) If "buffer" scratch disk pool is defined, the framework uses this disk pool and the default disk pool.
B) The Sort stage always uses the scratch disk.
C) The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual data set records.
D) You can define multiple scratch disk spaces to distribute disk I/O.

2. You are required to use a Make Vector stage in your job. What three requirements must be met in order to use this stage? (Choose three.)

A) Input columns must form a numeric sequence.
B) Input columns must all be of the same data type.
C) All columns are combined into a vector of the same length as the number of columns.
D) Columns must be in consecutive order.
E) Input columns that do not have a name of form <column_name>0 to <column_name>n, where <column_name> is the column name and 0 and n are the first and last of its consecutive numbers will not be included in the vector and will be dropped.

3. The Teradata Enterprise stage uses a distributed FastExport to access data. What is a limitation to distributed FastExport?

A) Non-data access (e.g., pseudo-tables like DATE or USER) is allowed.
B) The use of the USING modifier is allowed.
C) Multiple-AMP requests are allowed.
D) Aggregates and most arithmetic operators in the SELECT statement are allowed.

4. In which two operations can you create DataStage projects? (Choose two.)

A) During DataStage installation.
B) When adding new projects from DataStage Administrator.
C) When creating a project in the IBM Information Server Console.
D) When exporting and importing a DataStage project from DataStage Director.

5. You are responsible for the projects Source Code Repository. When a developer notifies you that changes are ready to deploy you must first check them in. You will use the Information Server Source Code integration features to check in the changed assets. How will you identify the DataStage assets the developer modified in order to send them to the workspace?

A) Use Designer client Advanced Find, specify a modification date and the developer's username in the Modified by fields.
B) From the workspace perspective select the project Right-click then Refresh from repository, specify a modification date and the developer's username in the Modified by fields.
C) From the Information Server Manager Select the project then right-click on Synchronize with source code control system.
D) From Information Server Manager use Search with advanced options, specify a date modified and the developer's user name in the Modified by fields.

Solutions: