350-601 Storage Network Practice Question
A data center engineer is designing a storage network for a virtualized environment with 100 hosts and 50 storage arrays. Each host requires 4 Gbps of bandwidth to storage, and each storage array provides 8 Gbps. All devices use 16 Gbps FC links. What is the minimum number of 16 Gbps FC links required to support the total bandwidth demand without oversubscription?
⚠ Common exam trap
Cisco often tests the concept of aggregate bandwidth versus per-device bandwidth, leading candidates to incorrectly multiply host count by link speed or storage array count by link speed instead of summing the total bandwidth demand and dividing by link speed.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
25
The total bandwidth demand from hosts is 100 hosts × 4 Gbps = 400 Gbps. Each storage array provides 8 Gbps, so total storage bandwidth is 50 arrays × 8 Gbps = 400 Gbps. Since all links are 16 Gbps FC, the minimum number of links required to carry 400 Gbps without oversubscription is 400 / 16 = 25 links. This assumes full-duplex links and no oversubscription in the fabric.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
50
Why it's wrong here
50 links would provide 800 Gbps, which is double the requirement.
- ✗
200
Why it's wrong here
200 links are excessive for the bandwidth requirement.
- ✗
100
Why it's wrong here
100 links are more than needed; demand is 400 Gbps.
- ✓
25
Why this is correct
25 links provide 400 Gbps of bandwidth (16 Gbps each) to meet total demand.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-601 exam.