What software design methodology uses paired programmers?

A.
Agile

B.
Extreme Programming (XP)

C.
Sashimi

D.
Scrum

Explanation:
Answer B is correct; Extreme Programming (XP) is an Agile development method that uses pairs of programmers who work off a detailed specification. There is a high level of customer involvement.

Incorrect Answers and Explanations: A, C, and D: Answers A, C, and D are incorrect. Agile describes numerous development methodologies, including XP: XP is a better answer because it is more specific. Sashimi is a Waterfall Model variant. Scrum is a different Agile methodology that uses small teams.