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IBM InfoSphere DataStage v9.1 Sample Questions:

1. A 100MB input dataset has even distribution across 400 unique key values. When you run with a 4-node configuration file, which two changes could improve sort performance in this scenario? (Choose two.)

A) Convert all numeric fields to varchars.
B) Specify "Restrict Memory Usage" to 60MB on the Sort stage properties.
C) Alter the Sort stage properties to perform a stable sort.
D) Specify Round Robin partitioning on the input link to the Sort stage.
E) Set $APT_TSORT_STRESS_BLOCKSIZE to 50M

2. You would like to pass values into parameters that will be used in a variety of downstream activity stages within a job sequence. What are two valid ways to do this? (Choose two.)

A) Add a Transformer stage variable to the job sequence canvas.
B) Place a parameter set stage on the job sequence.
C) Use local parameters.
D) Use the UserVariablesActivity stage to populate the local parameters from an outside source such as a file.
E) Check the "Propagate Parameters" checkbox in the Sequence Job properties.

3. You are responsible for deploying objects into your customers production environment. To ensure the stability of the production system the customer does not permit compilers on production machines. They have also protected the project and only development machines have the required compiler. What option will enable jobs with a parallel transformer to execute in the customers production machines?

A) Set $APT_COPY_TRANSFORM_OPERATOR
B) Use protected projects in the production environment.
C) Add $APT_COMPILE_OPT=-portable
D) Create a package with Information Server Manager and select the option to include executables.

4. Which DB2 to InfoSphere DataStage data type conversion is correct when reading data with the DB2 Connector stage?

A) CHAR FOR BIT DATA to SQL_VARBINARY
B) VARCHAR, 32768 to SQL_VARCHAR
C) BIGINT to SQL_BIGINT (INT32)
D) XML to SQL_WVARCHAR

5. Which two statements about using a Load write method in an Oracle Connector stage to tables that have indexes on them are true? (Choose two.)

A) Set the Upsert mode property to "Index".
B) The Load Write method uses "Rebuild" mode with no logging automatically.
C) The Load Write method uses the Parallel Direct Path load method.
D) Set the Index mode property to "Bypass".
E) Set the environment variable APT_ORACLE_LOAD_OPTIONS to "OPTIONS (DIRECT=TRUE, PARALLEL=FALSE)".

Solutions: