With deterministic Wireless LAN Controller redundancy design, the different options available to the designer have their own strengths. Which statement is an example of such a strength?

With deterministic Wireless LAN Controller redundancy design, the different options available to the designer have their own strengths. Which statement is an example of such a strength?
A . Dynamic load balancing, or salt-and-pepper access point design, avoids the potential impact of oversubscription on aggregate network performance.
B . N+N redundancy configuration allows logically grouping access points on controllers to minimize intercontroller roaming events.
C . N+N+1 redundancy configuration has the least impact to system management because all of the controllers are colocated in an NOC or data center.
D . N+1 redundancy configuration uses Layer 3 intercontroller roaming, maintaining traffic on the same subnet for more efficiency.

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Answer: B