IBM P2090-008

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IBM InfoSphere Streams Technical Mastery Test v1 Sample Questions:

1. Which two commands can be used to create a Streams instance? (Choose two.)

A) streamtool mkinstance --numhosts 10.10.187.156,10.10.187.157
B) streamtool mkinstance --hosttags host1,host2,host3,host4
C) streamtool mkinstance --hosts 10.10.187.156,myhost1
D) streamtool mkinstance --hosts streamsadmin
E) streamtool mkinstance --hosts 10.10.187.156,127.0.0.1

2. In the logic clause of an SPL operator invocation body, what is the purpose of the state label?

A) To restore operator state from a database.
B) To persist in-memory state within that operator.
C) To modify the state of another Streams application.
D) To share state across all the operators.

3. Which streamtool command is used to remove PE and runtime log data?

A) getlog
B) removelog
C) clearlog
D) cleanlog

4. Which of the following best represents the process and threading model for a standalone SPL program?

A) Multiple processes each with a single thread.
B) Multiple processes each with multiple threads.
C) A single process with only a single thread.
D) A single process with one or more threads.

5. When a tumbling window is full, how will it behave?

A) It will expel the oldest tuples, execute the operator behavior, and flush all processed tuples before starting from scratch.
B) It will execute the operator behavior and expel the oldest tuples before processing the next tuple.
C) It will expel triggered tuples, execute the operator behavior, and flush unprocessed tuples before starting from the end.
D) It will execute the operator behavior and flush all stored tuples before starting over from scratch.

Solutions: