200-301 Question #1031: Real Exam Question with Answer & Explanation

Question

Refer to the exhibit. A Cisco engineer creates a new WLAN called lantest. Which two actions must be performed so that only high-speed 2.4-Ghz clients connect? (Choose two.)

Options

• AEnable the Broadcast SSID option.
• BEnable the Status option.
• CSet the Radio Policy option to 802 11g Only.
• DSet the Radio Policy option to 802.11a Only.
• ESet the Interface/Interface Group(G) to an interface other than guest.

Explanation

To configure a WLAN to exclusively support high-speed 2.4 GHz clients, the WLAN must be enabled and its radio policy set to 802.11g Only.

Common mistakes.

• A. Enabling 'Broadcast SSID' makes the WLAN visible to clients but does not impose restrictions on client connectivity based on radio frequency or speed.
• D. Setting the 'Radio Policy' to '802.11a Only' would restrict clients to the 5 GHz band, which contradicts the requirement for '2.4-Ghz clients'.
• E. Setting the Interface/Interface Group pertains to network access, VLAN assignment, and segmentation, not to restricting client connectivity by radio type or frequency band.

Concept tested. WLAN radio policy and activation

Reference. https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/b_cg85_chapter_01000.html

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