RUCKUS RCWA 問題集 練習問題・模擬試験｜日本語版＆英語版対応

Explanation: The RUCKUS H Series access points are specifically designed for environments such as hospitality, student housing, and multi-dwelling units, where compact, in-room installation is ideal. A distinctive feature of the H Series―such as the RUCKUS H550 and H510 models―is their PoE output port, allowing the AP to power downstream devices like IP phones, set-top boxes, or security cameras directly through Ethernet. This design minimizes cabling and infrastructure costs while maintaining enterprise-grade Wi-Fi performance. According to the RUCKUS One Online Help and the official RUCKUS AI documentation, the H550 supports 802.3af/at PoE input and provides 802.3af PoE output on one of its Ethernet ports. The feature is highlighted as part of RUCKUS’s integrated wired and wireless connectivity solution, combining dual-band Wi-Fi 6 access with switch-like wired connectivity for room-based deployments. The R Series and E Series are ceiling-mounted APs primarily used for large-area coverage and typically do not include PoE passthrough functionality. The M Series (outdoor mesh APs) are designed for outdoor coverage extension, also lacking this downstream PoE capability. Reference: RUCKUS One Online Help C Access Point Hardware Descriptions (H550, H510) RUCKUS Analytics 3.5 User Guide C Device Inventory and AP Capability Data RUCKUS AI Documentation C H550 Technical Overview (docs.cloud.ruckuswireless.com/RUCKUS-AI/userguide/index.html)

Explanation: When configuring an 802.1X-secured WLAN, RUCKUS systems such as SmartZone, RUCKUS One, or RUCKUS Cloud typically rely on an external RADIUS server for user authentication. However, in the event of a controller failure or connectivity loss to the RADIUS server, RUCKUS APs can continue to authenticate users locally if the local user database is enabled and configured. The Local Authentication Database allows APs or controllers to store a limited set of credentials that can be used when external AAA services are unavailable. This ensures continued access and redundancy for critical WLANs without requiring external dependency. According to RUCKUS One Online Help C WLAN Configuration and AAA Settings, enabling the Local Authentication Database provides fallback authentication for 802.1X clients during system or connectivity failures. In contrast, the proxy and non-proxy modes define how authentication requests are relayed to the RADIUS server, while Dynamic PSK (DPSK) is a separate authentication method that replaces 802.1X with per-user keys. Reference: RUCKUS One Online Help C WLAN Configuration: AAA Authentication and Fallback Options RUCKUS Analytics 3.5 User Guide C Client Authentication and WLAN Events Ruckus Cloud / RUCKUS AI Documentation C Authentication Mode Descriptions

Explanation: The Rule of 10s and 3s is a quick mental calculation used to convert between dBm (decibel-milliwatts) and milliwatts (mW), which represent power levels. The rule states that: Every 10 dB increase corresponds to a 10× increase in power. Every 3 dB increase corresponds to approximately a 2× increase in power. Starting from 0 dBm = 1 mW: +10 dBm = 10 mW +20 dBm = 100 mW Add 3 dB → 23 dBm = 100 mW × 2 ≈ 200 mW Thus, 23 dBm converts to approximately 200 mW. This principle is used throughout RUCKUS documentation for understanding EIRP (Effective Isotropic Radiated Power) and ensuring compliance with regulatory transmit power limits. According to RUCKUS One Online Help and RUCKUS AI user documentation, administrators often use this conversion when optimizing transmit power settings to balance coverage and interference. The rule helps design engineers translate dB settings into physical power outputs during Wi-Fi tuning and planning. Reference: RUCKUS One Online Help C Radio Settings and Transmit Power Configuration RUCKUS Analytics 3.5 User Guide C RF Metrics and Power Analysis RUCKUS AI Documentation C Understanding RF Signal Levels (docs.cloud.ruckuswireless.com/RUCKUS-AI/userguide/index.html)