Wgu d278 oa | objective assessment | 163 questions and answers | 2025 update | 100% correct.

WGU D278 Units 8 & 9 Actual Exam with
Questions and Correct Answers 2025




Analysis ,Phase ,- ,CORRECT ,ANSWER-defines ,a ,program's ,goals

Design ,Phase ,- ,CORRECT ,ANSWER-Defines ,specifics ,of ,how ,to ,build ,a ,program

Implementation ,phase ,- ,CORRECT ,ANSWER-involves ,writing ,the ,program

Testing ,Phase ,- ,CORRECT ,ANSWER-checks ,that ,the ,program ,correctly ,meets ,the
,goals


Example ,of ,analysis ,phase: ,- ,CORRECT ,ANSWER-The ,program ,should ,support
,mean, ,median, ,max ,and ,min ,calculations


Example ,of ,design ,phase: ,- ,CORRECT ,ANSWER-Each ,calculation ,will ,be ,a ,function.
,The ,use ,types ,a ,letter ,to ,invoke ,each ,calculation.


Example ,of ,implementation ,phase: ,- ,CORRECT ,ANSWER-A ,programmer ,writes ,each
,function ,using ,statements


Example ,of ,testing ,phase: ,- ,CORRECT ,ANSWER-A ,programmer ,checks ,that ,each
,function ,works.


Waterfall ,approach ,- ,CORRECT ,ANSWER-Building ,a ,program ,by ,going ,through ,each
,phase ,sequentially ,and ,not ,returning ,to ,a ,finished ,phase.


Agile/Spiral ,approach ,- ,CORRECT ,ANSWER-Building ,a ,program ,by ,doing ,small
,amounts ,of ,each ,SDLC ,Phase ,repeatedly, ,adding ,more ,each ,time


SDLC ,- ,CORRECT ,ANSWER-Software ,Development ,Life ,Cycle

Objects ,- ,CORRECT ,ANSWER-A ,grouping ,of ,data ,(variables) ,and ,operations ,that
,can ,be ,performed ,on ,that ,data ,(functions)


Abstraction ,- ,CORRECT ,ANSWER-means ,to ,have ,a ,user ,interact ,with ,an ,item ,at ,a
,high-level, ,with ,lower-level ,internal ,details ,hidden ,from ,the ,user ,(aka ,information
,hiding ,or ,encapsulation)