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IBM InfoSphere Information Server for Data Quality Fundamentals Technical Mastery Test v1 Sample Questions:

1. In DataStage Sequential File Stage, how is a NULL value represented?

A) As defined by the Developer in the extended properties of the field
B) By a 'NULL' string
C) A -1 for an integer field and an empty string for a VARCHAR field
D) By a space character

2. In DataStage, Table Definitions can be imported through __________.

A) DataStage Director
B) Information Server Web Console
C) DataStage Administrator
D) DataStage Designer

3. In order for a customer to show whether differences in the distribution of counts in a particular table are significant or whether they are merely due to chance, which one of the following should be done?

A) Determine that the weighted base is less than the actual un-weighted base
B) Insert the standard deviation in the table and make sure it is greater than 1
C) Run a statistical test such as column proportions test or column means test
D) Calculate the standard error in the table to make sure it is less than 1

4. Which description below about the Sort Stage is invalid?

A) It has a property to create a Key Change Column
B) All the incoming records must have different values for sorting key
C) Sort can be executed in sequential mode or parallel mode
D) Sort Stage uses temporary disk space while performing sort

5. With DataStage Designer you CANNOT __________.

A) Create and reuse Table Definitions
B) Design jobs that extract, integrate, and transform the data for data warehouse
C) Compile and execute the DataStage jobs
D) Configure the deployment model

Solutions: