Review the exhibit. What can be determined about this SmartZone? (Choose three.)

The exhibit shows a virtual SmartZone (vSZ) configuration running in a VMware environment with three separate virtual NICs (vNICs), each mapped to a different port group: Management, Control, and Cluster.
According to RUCKUS One Online Help -- SmartZone Interface Configuration and RUCKUS AI Documentation -- SmartZone High-Scale Architecture, this design is specific to vSZ-H (High-Scale) deployments, which require three distinct network interfaces for distributed control, management, and cluster synchronization.
The three NIC mappings confirm physical or virtual separation of traffic for scalability and redundancy (A and E). vSZ-E (Essentials) requires only two interfaces (Management and Control) and does not use a dedicated cluster interface, distinguishing it from vSZ-H (D).
There is no indication of a four-node cluster in the exhibit, and SmartZone appliances typically show node counts under the Cluster Dashboard, not at the NIC configuration stage.
Thus, based on the configuration, this is a vSZ-H system with three NICs and three port groups, each serving a dedicated function.
RUCKUS One Online Help -- SmartZone vSZ-H Network Interface Roles
RUCKUS Analytics 3.5 User Guide -- Controller Connectivity and Cluster Interfaces
RUCKUS AI Documentation -- vSZ-H Deployment Topologies and Port Group Mapping
Which technology listens to clients on both horizontal and vertical planes to determine the best signal to use for each client?
PD-MRC (Polarization Diversity -- Maximal Ratio Combining) is a patented RUCKUS technology that enhances Wi-Fi signal reception by listening to client transmissions on both the horizontal and vertical polarization planes. This approach helps overcome signal degradation caused by multipath, reflections, and client device orientation.
According to the RUCKUS One Online Help and RUCKUS AI technical documentation, PD-MRC dynamically selects and combines the signal from both polarization domains to maximize the received signal-to-noise ratio (SNR). This technology works synergistically with BeamFlex, RUCKUS's adaptive antenna system, to provide optimal signal gain and link reliability per client.
SmartCast is used for traffic prioritization and QoS management, ChannelFly handles dynamic channel selection using machine learning, and Tx Beamforming optimizes transmit signal direction. However, none of these specifically analyze both horizontal and vertical planes simultaneously.
Therefore, PD-MRC is the correct answer---it provides improved reception performance and overall RF robustness, especially for mobile clients in variable orientations.
RUCKUS One Online Help -- BeamFlex and PD-MRC Overview
RUCKUS Analytics 3.5 User Guide -- RF Performance and Signal Quality Metrics
RUCKUS AI Documentation -- Advanced RF Technologies: BeamFlex, PD-MRC, and ChannelFly
An admin has created a RUCKUS GRE tunnel profile in SmartZone.
Why is the new tunnel unavailable in the GRE Tunnel Profile dropdown when configuring the WLAN?
In SmartZone, Generic Routing Encapsulation (GRE) tunnels are used to encapsulate client traffic and forward it to a remote gateway, typically for security or centralized routing.
As described in RUCKUS One Online Help -- GRE Tunneling Configuration, a tunnel profile becomes available for WLAN association only when it is explicitly linked to an AP Zone. This ensures that all APs in the zone can apply the correct tunnel endpoint and keying parameters.
If a GRE profile is not mapped to a zone, it will not appear in the WLAN configuration dropdown, even if successfully created.
Other options are incorrect because SmartZone supports GRE for WLANs by design, split-tunnel profiles are optional, and tunnel count limitations are far higher than typical enterprise use.
RUCKUS One Online Help -- GRE Tunnel Profile Configuration and Zone Binding
RUCKUS Analytics 3.5 User Guide -- Tunnel Status and Performance Metrics
RUCKUS AI Documentation -- GRE Tunneling Architecture and Troubleshooting
Load Balancing can be configured to balance clients across access points based on which two criteria? (Choose two.)
Client Load Balancing in RUCKUS WLANs is designed to optimize client distribution among nearby access points, preventing over-association to a single AP and improving overall airtime efficiency.
According to the RUCKUS One Online Help -- Load Balancing and Band Steering and RUCKUS Analytics 3.5 User Guide -- Client Distribution Analysis, SmartZone load balancing can be configured using two key parameters:
Client RSSI (B): The system evaluates the signal strength of a client device relative to multiple APs to ensure that it connects to the most suitable AP, not necessarily the strongest or first one detected.
Client Count (C): Balances client connections by redistributing associations when one AP exceeds a configured threshold compared to its neighbors.
AP capacity and device type are not direct load-balancing criteria, and proximity is implicitly derived from RSSI measurements rather than configured explicitly.
Therefore, the correct answers are B (Client RSSI) and C (Client count).
RUCKUS One Online Help -- Client Load Balancing Configuration
RUCKUS Analytics 3.5 User Guide -- AP Load and Client Distribution Monitoring
RUCKUS AI Documentation -- Load Balancing and Client Steering Optimization
Which task will throttle download speeds on all ChromeOS devices on the STUDENT SSID and segment their device traffic into a separate VLAN?
To throttle download speeds for specific device types---such as ChromeOS devices---and assign them to a dedicated VLAN, the appropriate configuration is to create a Device Policy and apply it to the target WLAN.
According to the RUCKUS One Online Help -- Device Policy Management, and RUCKUS AI documentation -- Policy Control and Device Analytics, Device Policies can classify client devices based on operating system, MAC OUI, or fingerprinting data. Once identified, administrators can enforce rate limits, VLAN tagging, and access restrictions for that device type.
By applying this policy to the STUDENT SSID, all detected ChromeOS clients will have bandwidth limits applied and their traffic segmented into the configured VLAN for management and security isolation.
Other options---such as Layer 2 ACLs or Application Control Policies---manage packet-level permissions or app-level prioritization, not per-device bandwidth or VLAN segmentation. Creating a new WLAN is unnecessary since RUCKUS policy management allows dynamic device-based enforcement on a single SSID.
RUCKUS One Online Help -- Device Policy and VLAN Assignment by OS Type
RUCKUS Analytics 3.5 User Guide -- Client Behavior and Policy Enforcement Analytics
RUCKUS AI Documentation -- Policy Control: Device Classification and Rate Limiting
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