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Exam 300-425 topic 1 question 78 discussion

Actual exam question from Cisco's 300-425
Question #: 78
Topic #: 1
[All 300-425 Questions]

An enterprise is using two wireless controllers to support the wireless network. The data center is located in the head office. Each controller has a corporate
WLAN configured with the name Copr-NET392267230WLC-1 and Corp-NET68371638WLC-2. The APs are installed using a round-robin approach to load balance the traffic. What should be changed on the cofiguration to optimize roaming?

  • A. Use the same WLAN name for the corporate network on both controllers.
  • B. Move all access points to one controller and use the other as N+1 HA.
  • C. Move the controllers to an external data center with higher internet speeds.
  • D. Place the access points per floor on the same controller.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by hypergammaspacemonkey at Aug. 26, 2021, 11:43 a.m.

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maksim_churyukin
Highly Voted 7 months, 2 weeks ago
"For a wireless client to seamlessly roam between mobility group members (WLCs), a given WLAN SSID and security configuration must be consistent across all WLCs comprising the mobility group" Enterprise Mobility 8.5 Design Guide, Ch2, p2-57 So the WLANs' names should be the same, the answer is A
upvoted 13 times
Liselot
6 months, 2 weeks ago
I agree. They are talking about WLAN Names (SSIDs) here. Not the Mobility Group Name
upvoted 4 times
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ulfjvw
Highly Voted 2 months ago
Selected Answer: A
roaming requires same SSID
upvoted 5 times
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Farhad123
Most Recent 1 month ago
A is the correct one. To optimize roaming: Using a shared SSID on both controllers allows devices to perceive the network as a single entity and roam seamlessly between APs. Placing APs per floor on one controller only benefits that floor and does not resolve the issue of differing SSIDs between controllers. Moving all APs to one controller and using the other as N+1 HA removes load balancing and does not address the SSID mismatch.
upvoted 1 times
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ASV2020
9 months ago
Answer: B
upvoted 1 times
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hypergammaspacemonkey
10 months, 4 weeks ago
I'd suggest A because of inter-floor roaming and bleed-through.
upvoted 2 times
Coffee313
10 months, 3 weeks ago
Seems like the WLCs are not in the same mobility domain so if the WLANs will have the same names - roaming will be slow. I think the best option os to configure HA SSO, so my answer is B.
upvoted 2 times
ulfjvw
2 months ago
n+1 is not SSO...
upvoted 1 times
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C (25%)
B (20%)
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