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Exam : IBM 000-419
Title : IBM InfoSphere Quality Stage v8 Examination


1. Click the Exhibit button.
The exhibit displays an example of distribution of weights for matched and unmatched records.
To further separate the distributions and improve the distinction of matched and unmatched records, which three statements are true? (Choose three.)
A. Add disagreement weight overrides which will decrease the match composite score.
B. Decrease the number of variables in the match to allow remaining match fields to have more discriminating power.
C. Add more variables to the match to provide additional information in calculating the match composite score.
D. Lower the clerical cutoff and increase the match cutoff.
E. Add agreement weight overrides which will increase the composite match score.
Answer: ACE

2. What are the two Match Specification probabilities that can be configured? (Choose two.)
A. m probability
B. u probability
C. r probability
D. pi probability
Answer: AB

3. When running Word Investigation, producing a pattern report will help you do what?
A. Refine a standardization rule set.
B. Decide which fields to use for blocking fields.
C. Discover inconsistencies in data type representation.
D. Identify which patterns should survive.
Answer: A

4. In a sample data set of 10,000,000 records, the Social Security number has 90 percent distinct values. To ensure that the Social Security number does not over-discriminate based upon its rare occurrence, which statement is true?
A. Change the u-probability on the match command screen from .01 to .0000001.
B. Set special variable handling "CRITICAL".
C. Set special variable handling "NOFREQ".
D. Do not use the Social Security number in a match command.
Answer: C

5. What is a result when you increase the match cut-off setting?
A. It minimizes the false positives.
B. It minimizes the false negatives.
C. It adds agreement weight.
D. It subtracts agreement weight.
Answer: A

6. Some records in the Name column may contain a valid data value such as "Jane Doe" and some records contain a NULL. The Name column is not used as a blocking variable. Which action can be performed in the match specification to penalize records for containing a NULL in the name column?
A. Increase the Match Cut-off setting.
B. Change the Data Source Missing Weight.
C. Add a Weight Override for disagreement weight.
D. Change the Weight Override Conditional Data setting.
Answer: B

7. Which two steps occur when executing a match? (Choose two.)
A. summing records
B. isolating a subset of records to process using blocking strategy
C. incrementing a group of records using hashing strategy
D. scoring records
Answer: BD

8. You are obtaining product data from a new parts vendor. In your processing design you are using the Reference Match stage to ensure these new parts are valid. This stage can deliver up to six outputs as a result of this match processing. What are three of these outputs? (Choose three.)
A. Data Duplicate
B. Data Filtered
C. Clerical
D. Sorted
E. Match
Answer: ACE

9. Click the Exhibit button.
Examine the statistics shown in the exhibit.
How many candidate groupings were processed for the data in Match Pass - CUSTOMER_ZIP3?
A. 4
B. 19
C. 14
D. 23
Answer: C

10. When testing a reference match specification, which two statements accurately describe what should be performed? (Choose two.)
A. Match frequencies must be generated to have no overlap.
B. Match frequencies must be generated for the source file.
C. Match frequencies must be generated for the reference file.
D. Match frequencies must be generated to have some overlap.
Answer: BC