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IBM Assessment: IBM InfoSphere DataStage v9.1 Assessment Sample Questions:
1. Which partitioning method requires a key?
A) Round Robin
B) Sort Merge
C) Modulus
D) Same
2. What are the valid join operations for the Join stage? (Choose two.)
A) Bottom inner join
B) Inner join
C) Right outer join
D) Top outer join
E) Where join
3. Which requirement must be met to read from a database in parallel using the ODBC connector?
A) Configure environment variable $APT_PARTITION_COUNT.
B) ODBC connector always reads in parallel.
C) Configure environment variable $APT_MAX_TRANSPORT_BLOCK_SIZE.
D) Set the Enable partitioning property to Yes.
4. What is the purpose of the APT_DUMP_SCORE environment variable?
A) It is an environment variable that turns on the job monitor.
B) It is an environment variable that enables the collection of runtime performance statistics.
C) There is no such environment variable.
D) It is a reporting environment variable that adds additional runtime information in the job log.
5. In the exhibit, a Funnel stage has two input links. Input 1 (Seq_File) comes from a Sequential File stage with "Readers per Node" set to "2". Input 2 (Dataset) comes from a dataset created with 3 partitions. In the Funnel stage, the funnel type is set to "Sequence".
The parallel configuration file contains 4 nodes. How many instances of the Funnel stage run in parallel?
A) 1
B) 6
C) 2
D) 4
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B,C | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: D |
