350-401 Architecture Practice Question
A network engineer is configuring a Cisco Wireless LAN Controller (WLC) for a high-density auditorium. The engineer wants to ensure that clients can roam seamlessly between access points while maintaining consistent security policies. Which Cisco wireless architecture feature should be enabled to allow controllers to share client context and facilitate inter-controller roaming?
⚠ Common exam trap
Test-takers frequently confuse FlexConnect, which is for branch survivability, with Mobility Group, which enables inter-controller roaming.
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
✓
Mobility Group
A Mobility Group is a set of Cisco WLCs configured to share client context and support seamless roaming. When a client roams between controllers, the controllers exchange information via the mobility group, ensuring that security policies and client state are maintained. This is critical in high-density environments with multiple controllers. Mobility Express, FlexConnect, and OfficeExtend serve different purposes.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
FlexConnect
Why it's wrong here
FlexConnect allows access points to switch traffic locally and survive WAN outages, typically for branch deployments. It does not provide inter-controller roaming or client context sharing across controllers. While useful for branch offices, it is not the feature for seamless roaming in a campus auditorium.
- ✗
OfficeExtend
Why it's wrong here
OfficeExtend is a solution for teleworkers, allowing an access point at a remote location to connect back to the corporate WLC. It does not facilitate inter-controller roaming in a campus environment. It is designed for remote home office connectivity, not high-density auditorium roaming.
- ✓
Mobility Group
Why this is correct
A Mobility Group allows multiple Cisco WLCs to share client context and coordinate roaming. When a client roams between access points on different controllers, the controllers exchange information via the mobility group, enabling seamless roaming with consistent security. This is essential for high-density environments with multiple controllers.
- ✗
Mobility Express
Why it's wrong here
Mobility Express is a virtual controller embedded in Cisco access points, designed for small deployments without a dedicated WLC. It does not support inter-controller roaming across multiple physical controllers. It is not suitable for a high-density auditorium with multiple controllers.
Go deeper
Related to this question
Learn chapter
SDN Controllers and Cisco ACI
Key term
Cisco AP Modes
Cisco AP Modes are different operational states a wireless access point can use, determining how it handles traffic, management, and security in a network.
Key term
FlexConnect
Cisco FlexConnect is a wireless architecture that allows branch office access points to operate independently, forwarding traffic locally when the controller connection is lost.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Cisco exam blueprint
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.