300-365 · Question #46
A wireless engineer wants to enable optimized roaming for their 5GHz wireless network with these settings: -72dBm RSSI value, 25% coverage exception level percentage, and a minimum of 50 packets…
The correct answer is A. config advanced 802.11a coverage data fail-percentage 25 D. config advanced 802.11a optimized-roaming enable. For a 5GHz wireless network, optimized roaming and coverage exception settings must use 802.11a commands; the correct pair enables optimized roaming and sets the coverage exception percentage on the 5GHz radio.
Question
A wireless engineer wants to enable optimized roaming for their 5GHz wireless network with these settings: -72dBm RSSI value, 25% coverage exception level percentage, and a minimum of 50 packets received. Which two commands achieve these settings? (Choose two.)
Options
- Aconfig advanced 802.11a coverage data fail-percentage 25
- Bconfig advanced 802.11b optimized-roaming enable
- Cconfig advanced 802.11b coverage data rssi-threshold -72
- Dconfig advanced 802.11a optimized-roaming enable
- Econfig advanced 802.11a coverage data rssi-threshold -72
How the community answered
(21 responses)- A71% (15)
- B19% (4)
- C5% (1)
- E5% (1)
Why each option
For a 5GHz wireless network, optimized roaming and coverage exception settings must use 802.11a commands; the correct pair enables optimized roaming and sets the coverage exception percentage on the 5GHz radio.
The command 'config advanced 802.11a coverage data fail-percentage 25' correctly sets the coverage exception level percentage to 25% on the 5GHz (802.11a) radio, which is one of the required parameters for the optimized roaming configuration.
This command targets 802.11b, which maps to the 2.4GHz band, not the 5GHz band required by the scenario.
This command applies the RSSI threshold to 802.11b (2.4GHz) rather than 802.11a (5GHz), making it ineffective for the specified 5GHz network.
The command 'config advanced 802.11a optimized-roaming enable' correctly enables the optimized roaming feature on the 5GHz (802.11a) radio band, which is the primary command needed to activate the feature.
Although this command correctly targets 802.11a (5GHz), 'coverage data rssi-threshold' configures the coverage hole detection RSSI threshold, which is a separate feature from optimized roaming and does not apply the RSSI parameter in the optimized roaming context.
Concept tested: Cisco WLC 5GHz optimized roaming CLI configuration
Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/optimized_roaming.html
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