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Exam 400-007 topic 1 question 118 discussion

Actual exam question from Cisco's 400-007
Question #: 118
Topic #: 1
[All 400-007 Questions]

Various teams in different organizations within an enterprise are preparing low-level design documents to capture network parameters using a Waterfall project model:
• hardware sizing and power consumption
• Layer 2 and layer 3 services parameters
• configuration of all control plane protocols

Input from relevant stakeholders was captured at the start of the project, and the project scope has been defined based on the parameters above. What impact will it have on documentation and project deliverables if the stakeholders ask to have changes earned out in the network before the information has been captured?

  • A. Significant effort and time are required
  • B. Rework is expected before the delivery
  • C. This provides more opportunity to think outside the box
  • D. This provides a flexible approach to incorporate changes
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by biddid2 at March 20, 2023, 4:31 p.m.

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Nery
1 week, 6 days ago
Selected Answer: A
The correct answer is: A. Significant effort and time are required because the Waterfall project model, changes after the project scope and initial design have been defined typically cause significant disruption. The model is linear, meaning each phase must be completed before moving to the next, and it’s not designed to easily accommodate changes once the design work has started.
upvoted 1 times
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Fl3p
5 months, 1 week ago
I would say D. Waterfall itself isn't very flexibel. However if changes are carried out before the project start this would be a flexible way to perform the changes without rework during the project phase.
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JamesBlunt
9 months, 1 week ago
what exactly does this mean "... if the stakeholders ask to have changes earned out in the network before the information has been captured?"
upvoted 3 times
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biddid2
1 year ago
Selected Answer: B
B can be acceptable, depend on the point of view.
upvoted 2 times
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biddid2
1 year ago
Selected Answer: C
A may be correct for extra effort and time to review, approve new change and redo documentation. Significant or not depend on how large the change. B is wrong as change raised before first step. No implemenation work did before except documentation. C always correct. The main point is the occur timing. This question is at very early stage and should be the best timing. D is wrong as no flexible for Waterfall model, all steps depend on previous step.
upvoted 1 times
ezeddeanyousif
6 months, 2 weeks ago
"What impact will it have on documentation and project deliverables". What does C have to do with this point?
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biddid2
1 year ago
Redo work is expected for whole project, but the situation of the question is more focus on very early stage. Waterfall can require that a phase be fully completed before proceeding to the next one, and it’s extremely difficult to go back if you miss anything. That means you and your team must check every box before moving on, or there could be a lot of rework needed. This could easily derail your schedule since there are many dependent relationships between tasks—every day of delay is another day added to your overall schedule. https://www.clearpointstrategy.com/blog/waterfall-project-management
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