IBM InfoSphere DataStage v8.5 - C2090-421

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IBM C2090-421 Exam Syllabus Topics:

IBM InfoSphere DataStage v8.5 Sample Questions:

1. Which three of the following are valid options for the dsjob command? (Choose three.)

A) Accessing log files
B) Stopping a job
C) Purging log files
D) Compiling a job
E) Setting an alias for a job

2. What two features enable a job with a Sequential File stage to read from sequential files with different numbers of columns and types? (Select two)

A) Schema File property
B) Subrecord data type
C) Runtime Column Propagation
D) Vector data type

3. Which statement is true about the Web Services Pack?

A) Web Services Pack makes a service request using SOAP.
B) Web Services Pack communicates by Enterprise Java Beans.
C) Web Services Pack generates a WSDL.
D) Web Services Pack is configured from within the Information Services Director application.

4. Input rows to a Transformer contain a product name field and a field with a list of colors the product can be ordered with. The colors are separated by the pipe character (|). Here is an example of an input row: "Shirt"| ....| "Red, Blue, Black"|... For each input row, you want to output multiple output rows, one for each color in the list. For the above example input row, three rows are to be output, one per color: "Shirt" ... "Red", "Shirt" ... "Blue", "Shirt" ... "Black".
Which three operations will you need to accomplish this? (Choose three.)

A) Use the SaveInputRecord() to save the input row for processing in the loop. Use the GetInputRecord() to extract the row for each iteration of the loop.
B) Use the LastRowInGroup() function to determine when the last color in the color list has been processed.
C) Use the @ITERATION variable to determine which color in the ColorList field to extract using the Field function.
D) Specify the following loop condition: @ITERATION <= n, where n is a stage variable initialized with number of loop iterations.
E) Use the Count() function over the ColorList field to determine the number of loop iterations.

5. A job needs to split a single Data Set into three Data Sets based on conditions that are supplied at runtime. Which stage would allow you to parameterize the conditions for splitting the input data set?

A) Split Vector stage
B) Switch stage
C) Transformer stage
D) Filter stage

Solutions: