WGU D278 Units 8 & 9 Question and
answers verified to pass 2025/2026
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.
answers verified to pass 2025/2026
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.
