Pass the Cisco CCIE Wireless 350-101 Questions and answers with Dumpstech

The failure is occurring during WPA/WPA2 key management, not during mobility anchoring. The radioactive trace showsFailed to validate eapol mic. MIC mismatchfollowed byFailed to validate eapol key m2, which means the authenticator and supplicant derived different key material during the PSK handshake. Cisco’s Catalyst 9800 client-connectivity troubleshooting maps this log pattern directly to a wrong password condition and lists the corrective actions as fixing the password on the endpoint or on the SSID/WLAN. The11r MIC validation failedphrase does not automatically make 802.11r the root cause; it only shows that the failed MIC validation occurred while Fast Transition key logic was in use. Disabling 802.11r would be a workaround only for client capability or FT interoperability issues, but the trace points to PSK mismatch. Removing the anchor WLC would break the intended DMZ anchoring design, and matching WLANs on foreign and anchor is required for anchor deployments, but it would not produce this EAPOL M2 MIC failure. The correct remediation is to ensure the client-entered PSK matches the WLAN PSK. Reference topics: WPA/WPA2-PSK authentication, EAPOL 4-way handshake, Catalyst 9800 radioactive trace analysis, and client connectivity troubleshooting.

To implement a guest Wi-Fi network on a Cisco 9800 WLC with the requirements mentioned, the solution must ensure that guests are isolated from the corporate LAN and are redirected to a login page before being able to access the internet. Additionally, access needs to be restricted to web browsing only, with no need for preshared keys or certificates.

Option A: "Create a WLAN that uses a web policy and points to a consent parameter map."This is necessary to enforce the login page and redirect users to a webauth page. By creating a WLAN with web policy, you ensure that users are redirected to a captive portal where they can accept the terms and conditions or login to the network. This solution also helps in segregating the guest network from the corporate network, as users are contained within their VLAN.

Option E: "Deploy a WLAN policy that points wireless users to a webauth parameter map."Web authentication (webauth) is an essential part of guest access. Deploying a WLAN policy with webauth ensures that users are directed to the login page (a webauth parameter map), allowing them to authenticate before browsing the internet.

Other options:

Option Bwould block mDNS, but it does not directly address the need for a login page or VLAN segregation.

Option Cis important for enforcing access control policies, but it doesn't fulfill all the requirements of the login page and limited access (web browsing only).

Option Dis unrelated to the requirement of providing access only to web browsing, as it primarily addresses peer-to-peer traffic blocking, which is not directly tied to web access control.

Therefore, the correct solution involves combining a web policy with a webauth parameter map for login page redirection (A and E).

A line-of-sight (LOS) RF connection requires a clear, unobstructed path between the transmitter and receiver. This ensures that the transmitted signal reaches the receiving device without attenuation, reflection, or diffraction caused by physical obstacles such as walls, furniture, or other structures. LOS conditions are critical for high-frequency RF links, particularly in the 5 GHz band, where signals cannot easily penetrate objects. While multipath propagation (Option A) and MIMO (Option B) techniques enhance throughput and reliability in non-line-of-sight environments, they do not satisfy the definition of LOS. Reflections (Option C) actually introduce delays, fading, and interference, which can degrade signal quality. In Cisco Wireless Core Technologies, understanding LOS is foundational for designing point-to-point wireless backhaul links, outdoor Wi-Fi deployments, and high-performance campus networks. Ensuring LOS minimizes path loss, maximizes received signal strength, and supports predictable coverage patterns. Proper site surveys, RF planning, and AP placement are used to maintain LOS where required, particularly for directional antennas or high-gain links. Reference topics:RF Fundamentals — Line-of-Sight (LOS), RF propagation, path loss, multipath effects, MIMO considerations.

The correct answer is30 dBm, which equals1 wattof conducted transmit power. In the United States, the 2.4-GHz ISM band used by 802.11b/g/n/ax Wi-Fi falls under FCC Part 15.247. The FCC rule permits digital modulation systems in the2400–2483.5 MHzband and specifies that the maximum conducted output power is1 Watt. Converting watts to dBm uses the formuladBm = 10 log10(mW): 1 watt equals 1000 mW, and10 log10(1000) = 30 dBm.

This is also consistent with Cisco wireless configuration behavior, where Cisco controller Radio Resource Management transmit-power limits use dBm values and support a configurable transmit-power range up to30 dBm. The key distinction is that30 dBm is conducted transmit power, while36 dBmcommonly represents an EIRP value when antenna gain is included, such as 30 dBm transmitter output plus 6 dBi antenna gain. Cisco RF fundamentals emphasize that antenna gain affects coverage and radiated energy, so transmit power and EIRP must not be confused. Reference topic:RF Fundamentals — dBm, mW conversion, regulatory domains, transmit power, antenna gain, and EIRP.

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.

Optimized roaming is a Cisco WLC feature designed to reduce sticky-client behavior. A sticky client remains associated to an AP even after moving far enough away that another AP would provide better RF service. Cisco describes optimized roaming as actively monitoring client data RSSI and disconnecting clients when received signal strength falls below the configured threshold. The official Catalyst 9800 documentation states that optimized roaming “disassociates client when the RSSI is lower than the set threshold,” which directly matches option A.

This function does not calculate device location through peer-to-peer beaconing, does not depend on external experience services, and is not static load balancing. It is an RF/client-roaming enforcement mechanism controlled by the wireless infrastructure. In practical operation, the AP/WLC evaluates client signal quality and, when the configured optimized roaming criteria are met, forces the client to disconnect so it can reassess the RF environment and roam to a better AP. Cisco also notes that optimized roaming helps maintain client connectivity by managing disassociationn based on RSSI and data-rate thresholds. Reference topics:Client Connectivity Configuration — client roaming behavior, sticky-client mitigation, RSSI thresholds, and WLC roaming optimization

In a Cisco wireless fabric architecture, fabric edge nodes are responsible for terminating user data traffic at the network edge. These nodes act as the first point of contact for client devices, handling tasks such as encryption/decryption, VLAN tagging, Quality of Service (QoS) enforcement, and traffic forwarding to the appropriate destination within the fabric. The design centralizes control-plane functions in fabric control nodes, while edge nodes focus on data-plane operations to reduce latency and optimize network performance. Option A, authenticating TLS connections for management, is handled by management or control-plane components rather than edge nodes. Option B, enabling multicast snooping, is a network switch function but not a core responsibility of fabric edge nodes. Option D, converting Layer 2 to Layer 3 addresses, is part of routing functions and not a dedicated role of the wireless fabric edge node in client data processing. Cisco Wireless Core Technologies emphasize that by terminating user data at the edge, fabric edge nodes enable efficient traffic handling, secure processing, and scalable wireless deployment, which is critical in high-density enterprise environments. Reference topics:Wireless Network Operation — Cisco wireless fabric architecture, fabric edge node role, user data termination, data-plane operations.

The correct configuration approach is to enableApplication Visibility and Controlon thepolicy profile. On the Catalyst 9800, WLANs are not configured as isolated monolithic objects; the WLAN profile is mapped to a policy profile through a policy tag, and many client traffic services are applied from that policy profile. Cisco defines AVC as the wireless feature set that identifies and monitors applications using DPI, creates rules to manage application bandwidth and usage, and integrates with Flexible NetFlow for per-application or per-protocol statistics. Cisco further states that AVC benefits from NBAR running on the AP or controller, and that the NBAR2 engine analyzes and recognizes traffic flows.

Operationally, Cisco’s 9800 AVC guide shows that AVC is enabled by navigating toConfiguration > Services > Application Visibilityand selecting the relevantPolicy Profile. It also shows the CLI form under the policy profile:wireless profile policy AVC_testingfollowed byip nbar protocol-discovery, with verification showingNBAR Protocol Discovery : Enabled. Options A and B are incorrect because the feature is not enabled directly on the WLAN. Option C is generic and incomplete; the Cisco feature construct is AVC. Reference topics:AVC, NBAR2, Flexible NetFlow, Catalyst 9800 policy profiles, and wireless application visibility.

Bridge mode in a Cisco wireless mesh deployment allows access points to operate as mesh infrastructure nodes, typically as a Root AP (RAP) or Mesh AP (MAP), so Ethernet segments can be connected across a wireless backhaul. Cisco’s mesh design documentation states that in a point-to-point bridging scenario, a mesh AP can extend a remote network by using the backhaul radio “to bridge two segments of a switched network.” This directly maps to option A: point-to-point communication between network segments.

In Catalyst 9800 mesh deployments, Cisco documents converting an AP to bridge mode withcapwap ap mode bridge, after which the AP rejoins the controller in bridge mode and can be assigned a mesh role. Cisco also defines the RAP as the AP with the wired connection toward the WLC, while the MAP joins through its radio path toward the RAP. Option B is incorrect because bridge mode does not force all traffic to 2.4 GHz; Cisco mesh backhaul can use configured backhaul radios. Option C describes RRM/TPC behavior, not bridge mode. Option D incorrectly associates mesh bridge mode with WAN edge functions. Reference topics:Wireless Network Implementation — mesh AP roles, RAP/MAP operation, wireless backhaul, and Ethernet bridging.

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A high-gain patch antenna is a directional antenna that concentrates RF energy into a defined coverage area rather than radiating equally in all directions. Cisco’s Wireless RF Reference Guide explains that antenna gain determines how RF power is radiated and that higher-gain antennas do not create additional transmit power; they focus existing power in a given direction. Cisco also distinguishes omnidirectional high-gain patterns, which flatten coverage, from directional antennas, which focus energy toward a target area.

That makes option C correct: a patch antenna imparts a focused beam, typically useful for covering a hallway, warehouse aisle, seating section, point-to-point link, or defined flat service area. Cisco’s antenna documentation also states that higher-gain antennas provide longer coverage distance but with a coverage-area tradeoff, especially in a particular direction. Option A is incorrect because antenna gain does not restrict operation to a single narrow frequency; frequency support is determined by antenna design and radio band. Option B describes channel overlap, not antenna behavior. Option D does not describe a standard patch antenna radiation pattern. Reference topics:RF Fundamentals — antenna gain, directional antennas, patch antenna radiation patterns, beamwidth, and coverage-cell design.