Free Cisco 820-605 Actual Exam Questions - Question 11 Discussion
It’s C since use cases focus on goal-driven system-user interactions, not just steps.
C. The key difference is that C highlights the interaction between a role and the system with a goal in mind, which is central to use cases. A and D are more vague or focused on instructions without the purpose-driven interaction. B just lists steps without emphasizing the goal or system involvement, so it feels incomplete compared to C.
B/C? B talks about customer steps but misses the goal and system interaction part, which seems key. C covers both roles and goals, so it feels more complete than B or D.
C. The mention of interactions between a role and a system to achieve a goal captures the essence of use cases better than just user steps or instructions. That's what sets it apart from B and D.
C