350-401 Question #786: Real Exam Question with Answer & Explanation

Question

When does a Cisco StackWise primary switch lose its role?

Options

• Awhen a stack member fails
• Bwhen the stack primary is reset
• Cwhen a switch with a higher priority is added to the stack
• Dwhen the priority value of a stack member is changed to a higher value

Explanation

Cisco StackWise Primary Switch Role Explanation

Option B is correct because the primary switch only loses its role when it is physically reset or powered off, at which point a new primary election occurs among the remaining stack members. Option A is wrong because if a member (non-primary) switch fails, the primary switch retains its role and the stack continues operating. Option C is incorrect because StackWise does not preempt the current primary - even if a switch with a higher priority joins the stack, the existing primary keeps its role until it is reset. Option D is similarly incorrect for the same preemption reason - changing a member's priority value takes effect only after the next stack election, not immediately.

🧠 Memory Tip: Think of the StackWise primary as a sitting president - no matter who is more "qualified" (higher priority), the current leader stays in office until they leave (reset). Priority only matters during the next election!

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