350-601 Storage Network Practice Question
An engineer needs to design a resilient Fibre Channel SAN that eliminates single points of failure between two MDS switches and a storage array with two controllers. What is the minimum number of FC port channels required to achieve this goal?
⚠ Common exam trap
Cisco often tests the misconception that you need a port channel per controller or per switch, leading candidates to overcount; the trap here is that two port channels—one from each switch to both controllers—are sufficient to eliminate all single points of failure.
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
✓
Two
To eliminate single points of failure between two MDS switches and a dual-controller storage array, you need two Fibre Channel port channels. Each port channel connects one MDS switch to both storage controllers, providing redundancy for both the switch and the controller paths. This design ensures that if one switch or one controller fails, the other port channel maintains connectivity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Three
Why it's wrong here
Unnecessary; two suffices.
- ✓
Two
Why this is correct
Two port channels allow each controller to connect to both switches.
- ✗
One
Why it's wrong here
One port channel would connect only one controller to only one switch.
- ✗
Four
Why it's wrong here
Overkill; two is sufficient for redundancy.
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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.