300-365 Question #34: Real Exam Question with Answer & Explanation

The correct answer is B: Modify the corporate WLAN to the Platinum QoS policy.. Cisco WLC WLAN QoS policies (Platinum through Bronze) control traffic priority, and assigning Platinum to the corporate WLAN and Bronze to the guest WLAN is the correct way to guarantee corporate users a better experience.

Guest Access Deployment

Question

A network engineer must ensure that corporate wireless users have a better experience than guest wireless users. Which two configurations fulfil requirement? (Choose two.)

Options

AOverride per-SSID bandwidth contracts on the corporate WLAN to reserve bandwidth.
BModify the corporate WLAN to the Platinum QoS policy.
CEnable 802.1ptag on the Gold QoS pofccyto honor prioritized traffic.
DAdjust the guest WLAN radio policy to 802.11 b/g only.
EChange the guest WLAN to the Bronze QoS policy.

Explanation

Cisco WLC WLAN QoS policies (Platinum through Bronze) control traffic priority, and assigning Platinum to the corporate WLAN and Bronze to the guest WLAN is the correct way to guarantee corporate users a better experience.

Common mistakes.

A. Per-SSID bandwidth contract overrides enforce throughput caps on a WLAN but do not establish queue-based traffic prioritization, which is the mechanism needed to guarantee a better experience for corporate users.
C. Enabling 802.1p tagging on the Gold QoS policy affects how tagged frames are honored by downstream wired infrastructure, but it does not configure the priority difference between the corporate and guest WLANs on the controller.
D. Restricting the guest WLAN radio policy to 802.11 b/g only lowers the maximum guest data rate but does not implement QoS-based prioritization to guarantee corporate users a superior experience.

Concept tested. Cisco WLC WLAN QoS policy priority differentiation

Reference. https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/wlan_qos.html

Topics

#QoS policy#WLAN differentiation#platinum QoS#bronze QoS

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