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Selective retest techniques may be more economical than the “retest-all”technique.How many selective retest techniques are there?

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Selective retest techniques may be more economical than the “retest-all”technique.How many selective retest techniques are there?

(a) two

(b) three

(c) four

(d) five

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Right choice is (b) three

For explanation: The three categories include: Coverage, Minimization and Safe techniques.

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