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350-401 Practice Question: Which two statements about Cisco Wireless LAN…
Which two statements about Cisco Wireless LAN Controller (WLC) high availability (SSO) are true? (Choose two.)
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
✓
In an SSO pair, the standby WLC maintains synchronized client and AP state information via a dedicated link.
SSO uses a pair of WLCs in active/standby mode with stateful failover. The standby maintains synchronized client and AP state. A Layer 2 link is required between the two WLCs for the redundant management interface. SSO does not require identical hardware models, but they must be from the same platform family.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
In an SSO pair, the standby WLC maintains synchronized client and AP state information via a dedicated link.
Why this is correct
Correct because SSO uses a dedicated redundancy link to keep the standby WLC fully synchronized with the active WLC.
- ✓
SSO requires both WLCs to be connected to the same Layer 2 network for the redundant management interface.
Why this is correct
Correct because the redundant management interface must be on the same subnet to allow seamless failover.
- ✗
During a failover event, all client sessions are dropped and must re-associate with the new active WLC.
Why it's wrong here
Incorrect because SSO provides stateful failover; client sessions are preserved without requiring re-association.
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SSO can be configured between any two WLC models regardless of hardware platform.
Why it's wrong here
Incorrect because both WLCs must be from the same platform family (e.g., both 9800-40 or both 9800-80) to support SSO.
- ✗
SSO supports only a single AP per WLC pair.
Why it's wrong here
Incorrect because SSO supports the full AP capacity of the active WLC; the standby mirrors the same capacity.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 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 350-401 exam.