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Exam 400-007 topic 1 question 10 discussion

Actual exam question from Cisco's 400-007
Question #: 10
Topic #: 1
[All 400-007 Questions]


Refer to the table. A customer investigates connectivity options for a DCI between two production data centers to aid a large-scale migration project. The migration is estimated to take 20 months to complete but might extend an additional 10 months if issues arise. All connectivity options meet the requirements to migrate workloads. Which transport technology provides the best ROI based on cost and flexibility?

  • A. DWDM over dark fiber
  • B. MPLS
  • C. CWDM over dark fiber
  • D. Metro Ethernet
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Suggested Answer: D 🗳️
by Rim007 at Oct. 14, 2023, 1:45 a.m.

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XalaGyan
11 months, 3 weeks ago
Selected Answer: D
the hint here is cost and you calculated that well. Also keep in mind ROI. a dark fiber will be laid out for you and only you. meaning once migration done, no other customer can use that dark fiber, therefore both dark fiber options will be removed. remaining MPLS and Metro. Here MetroEthernet is way cheaper than MPLS. Answer D
upvoted 1 times
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walkwolf3
1 year, 1 month ago
Selected Answer: D
Cost for 30 months dwdm 53 cwdm 37.5 mpls 64 metro 21.5 The cost of Metro is lowest, so the answer is Metro.
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walkwolf3
1 year, 1 month ago
Unit are times of 10,000
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Rim007
1 year, 2 months ago
Selected Answer: D
This is correct answer D
upvoted 1 times
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