350-601 Storage Network Practice Question
During a fabric reconfigure event, which behavior is expected if all switches are running the same Cisco SAN-OS version and have the same domain ID configuration?
⚠ Common exam trap
Watch out — candidates often assume identical domain IDs will simply cause a re-election or a forced reassignment, but Cisco tests that the fabric segments instead, as the principal switch cannot resolve the conflict without manual intervention.
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
✓
A domain ID conflict will cause a segmentation of the fabric.
When all switches in a fabric reconfigure event run the same Cisco SAN-OS version and have the same domain ID configured, a domain ID conflict occurs because the principal switch cannot assign a unique domain ID to each switch. This conflict causes the fabric to segment, as the principal switch isolates the conflicting switch into a separate principal switch selection process, preventing a stable merged 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.
- ✗
The principal switch selection will re-elect based on highest WWN.
Why it's wrong here
If domain IDs are same, WWN is tiebreaker but there may be conflict.
- ✗
The principal switch will force a new domain ID assignment.
Why it's wrong here
If configured with same static domain ID, it will not automatically change.
- ✓
A domain ID conflict will cause a segmentation of the fabric.
Why this is correct
Duplicate domain IDs cause fabric segmentation; the switches will not merge.
- ✗
The fabric will merge without any issues as long as VSANs match.
Why it's wrong here
Duplicate domain IDs cause segmentation regardless of VSAN matching.
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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.