70-463 · Question #89
70-463 Question #89: Real Exam Question with Answer & Explanation
The correct answer is B: Change the similarity threshold to 0.55.. The similarity threshold controls the minimum score required for a match to be accepted. Raising it from 0.50 to 0.55 makes the transformation stricter-only candidates with a higher similarity score are considered valid matches-which reduces incorrect (false positive) matches. Lo
Question
Options
- AChange the Exhaustive property to True,
- BChange the similarity threshold to 0.55.
- CChange the similarity threshold to 0.40.
- DIncrease the maximum number of matches per lookup.
Explanation
The similarity threshold controls the minimum score required for a match to be accepted. Raising it from 0.50 to 0.55 makes the transformation stricter-only candidates with a higher similarity score are considered valid matches-which reduces incorrect (false positive) matches. Lowering it to 0.40 (C) would accept even weaker matches and increase incorrect results. Setting Exhaustive to True (A) forces the engine to compare every input row against every row in the reference table, which dramatically degrades performance on a large reference table. Increasing the maximum number of matches per lookup (D) returns more candidates but does not raise the quality bar for what is accepted as a match.
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