350-101 VCE Exam Download

For in-depth wireless troubleshooting using a Cisco 9176 AP, the correct operational mode is thesniffer mode. This mode allows the AP to capture all RF frames, including management, control, and data frames, across all configured channels, and forward these to a remote protocol analyzer such as Wireshark. Sniffer mode is distinct from other AP modes because the AP does not serve clients in this state; its sole function is passive packet capture for analysis of interference, RF performance, and client behavior. The commandap name < ap_name > mode snifferexecuted on the WLC explicitly sets this mode.

Monitor mode (option A) is used to observe client behavior and RF environment, but it does not provide complete over-the-air packet capture. Local mode (option C) is the standard AP mode for client connectivity and normal CAPWAP operation. Rogue-detector mode (option D) is used to identify unauthorized APs and clients but does not capture traffic for external analysis.

Cisco documentation and technical guides for Catalyst APs clearly differentiate these modes, noting thatsniffer mode provides full frame capture without client services, making it ideal for troubleshooting complex wireless performance issues in high-density deployments. Reference topic:Wireless Network Operation — AP modes, sniffer mode configuration, RF troubleshooting, and protocol analyzer integration.

The correct method issoftware image management workflows, specifically Cisco Catalyst Center Software Image Management, commonly referenced as SWIM. Cisco documents SWIM as the mechanism used to manage software upgrades and maintain consistency of image versions across the network. It provides an image repository, golden-image assignment, image distribution, activation, readiness checks, and scheduled execution. Cisco’s wireless automation guidance specifically states that SWIM is used to update Catalyst 9800 Series Wireless Controller software by distributing the image from the Catalyst Center repository to wireless controllers and upgrading the images running on those controllers; both stages can run immediately or be scheduled for a defined maintenance window.

Option C is also validated by Catalyst Center’s update-status and workflow views. Cisco documentsImage Update Statusas the view that shows all update tasks, filters by in-progress, success, or failure, and displays a progress bar for active updates. The workflow view then exposes distribution and activation task status, timing, prechecks, postchecks, checksum verification, and AP pre-image download details. Inventory snapshots and templates do not execute controller firmware upgrades, and “lifecycle workflow” is too generic. Reference topics:Wireless Monitoring and Management — Catalyst Center SWIM, image compliance, golden images, controller upgrade automation, and update progress reporting.

The missing command must create the RADIUS server group context before the existingserver name external-radiuscommand can bind the defined RADIUS server into that group. Cisco’s Catalyst 9800 802.1X configuration workflow shows the exact CLI sequence: define the RADIUS server, then enteraaa group server radius < radius-grp-name > , then addserver name < radius-server-name > . The Catalyst 9800 configuration guide likewise states that the RADIUS server-group identification is created withaaa group server radius server-group, followed by the server name assignment.

In this exhibit,external-radiusis already declared underradius server, andaaa authentication dot1x CLIENT_GROUP group RADIUS-GRPalready points the 802.1X method list to the server group namedRADIUS-GRP. Therefore, the box must containaaa group server radius RADIUS-GRPso thatserver name external-radiusis syntactically valid and functionally associates the external server with the group. Cisco also identifies dot1x authentication lists as the AAA method type used for 802.1X SSIDs, with “group” directing authentication to an external RADIUS server. Reference topics:Client Connectivity Configuration — WPA2-Enterprise, 802.1X/EAP, AAA method lists, RADIUS server groups, and Catalyst 9800 WLAN security

IEEE 802.11ax, also known as Wi-Fi 6, introduces several advancements to improve network performance, particularly in dense environments. Among these,OFDMA (Orthogonal Frequency Division Multiple Access)is a key feature introduced by 802.11ax. OFDMA allows more efficient use of the available spectrum by enabling multiple users to share the same channel simultaneously. This is done by subdividing the channel into smaller sub-channels, allowing data to be transmitted to multiple devices at the same time, improving overall throughput and reducing latency.

Option A: 60 GHz utilizationrefers to Wi-Fi standards like 802.11ad and 802.11ay, which use the 60 GHz band, but 802.11ax focuses on improving efficiency in the 2.4 GHz and 5 GHz bands, not the 60 GHz band.

Option B: Wi-Fi multimediais related to Wi-Fi features that prioritize multimedia traffic, but it is not a new attribute specifically introduced by 802.11ax.

Option D: MIMO (Multiple Input, Multiple Output)is a technology that allows multiple antennas to be used at both the transmitter and receiver, and while MIMO is supported in 802.11ac, it was enhanced in 802.11ax withMU-MIMO (Multi-User MIMO)for uplink, not a new technology introduced by 802.11ax.

Therefore,OFDMA(Option C) is the correct answer, as it is a key feature that 802.11ax introduces to improve network efficiency and capacity.