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| Section | Objectives |
|---|---|
| Topic 1: Troubleshooting and Validation | - Validation tools and post-deployment testing - Wireless performance troubleshooting methodologies |
| Topic 2: Cisco Wireless Architecture | - Lightweight Access Point (LAP) deployment models - Controller-based architecture (WLC) - Mobility groups and roaming design |
| Topic 3: High Availability and Performance Optimization | - Load balancing and RF optimization - Redundancy design for controllers and APs |
| Topic 4: Wireless Security Design | - WPA2/WPA3 enterprise security design - Guest access and segmentation strategies - 802.1X authentication and RADIUS integration |
| Topic 5: Wireless Site Survey and Requirements Analysis | - Physical environment assessment and constraints - Coverage and capacity planning - Business and technical requirements gathering |
| Topic 6: RF Fundamentals and Design Principles | - RF behavior and propagation - Channel planning and interference mitigation - Antenna types and placement strategies |
現在、試験がシミュレーションテストを提供するような統合システムを持っていることはほとんどありません。 300-110学習ツールについて学習した後、実際の試験を刺激することの重要性が徐々に認識されます。この機能により、300-110練習システムがどのように動作するかを簡単に把握でき、300-110試験に関する中核的な知識を得ることができます。さらに、実際の試験環境にいるときは、質問への回答の速度と品質を制御し、エクササイズの良い習慣を身に付けることができるため、300-110試験に合格することができます。
質問 # 92
A customer is planning to replace older access points with Cisco 4800 Series Access Points. Unaware of the infrastructure requirements, the client has an engineer investigate the inline power requirement. Which IEEE
802.3 standard complies with the Cisco 4800 Series Access Points?
正解：C
解説：
The Cisco Aironet 4800 Series Access Point is a tri-radio, high-performance access point designed for high- density environments. It draws significantly more power than older dual-radio APs and requires IEEE 802.3bt (also known as PoE++), which provides up to 90W per port at the Power Sourcing Equipment. IEEE 802.3af (Type 1 PoE) delivers only 15.4W and 802.3at (Type 2 PoE+) provides up to 30W - both are insufficient for full functionality of the 4800 series, which has a dedicated third scanning radio that requires the additional power budget provided by 802.3bt. IEEE 802.3ac is a standard related to VLAN tagging and is entirely unrelated to Power over Ethernet. Engineers designing wired infrastructure for Cisco 4800 deployments must ensure switches support 802.3bt Type 3 or Type 4 to guarantee full AP functionality across all three radios simultaneously. Reference: WLSD Study Guide - Wired Infrastructure Design, PoE Standards and Power Budget Planning, Cisco 4800 Series AP Specifications.
質問 # 93
An engineer is designing guest access where guest traffic from foreign controllers on the internal network must terminate in the DMZ. Which two requirements must the design satisfy? (Choose two.)
正解：D、E
解説：
Auto-anchor guest tunneling requires that the guest WLAN be configured identically on both the foreign and anchor controllers (Option B) - the SSID, security settings, and WLAN ID must match, because the anchor applies its own policy to the tunneled session and a mismatch causes the client to be dropped or assigned incorrect policy. A mobility tunnel between the two controllers (Option D) is the transport that carries the guest traffic from the internal foreign controller to the DMZ anchor, allowing the client's data to bypass the internal network entirely and terminate on the DMZ segment. Controllers must be configured as mobility peers of each other, but they do not need to share a mobility group name for auto-anchor to function, and they explicitly do not need to be in the same Layer 2 VLAN - the whole point of the design is that the anchor sits in a separate, firewalled DMZ subnet. RF group leadership is unrelated to guest tunneling.
質問 # 94
An engineer is implementing a wireless design for a manufacturing company with a Catalyst
9800, a stack of two Catalyst 9300-48HX switches, and 9166 APs. Each AP must be named using the Zone-053424189-01X string where X is the area number. The engineer needs to connect the APs to the switch stack using PoE. How many APs must the engineer connect to the stack so that they run with full functionality?
正解：A
解説：
The Cisco Catalyst 9300-48HX is a high-density PoE switch specifically designed for Cisco Catalyst 9100 Series AP deployments. The 48HX variant features 48 Multi-Gigabit PoE ports with IEEE 802.3bt (PoE++) support, providing up to 90W per port. The Cisco 9166 Access Point is a Wi-Fi 6E AP that requires IEEE 802.3bt (PoE++) power to achieve full radio functionality -- enabling all three radios including the 6 GHz radio. In a two-switch stack of 48HX units, the total PoE budget is designed and rated to support full-port utilization with Cisco 9100 series APs simultaneously. The design intent is to connect APs to all ports on all switches -- maximizing the deployment density and ensuring every AP runs with full functionality. Connecting to only half the ports on one switch (Option B), half of each switch (Option C), or all ports on only one switch (Option D) would underutilize the infrastructure and fail to achieve the full deployment density that the switch stack was architected to deliver. The AP naming scheme requiring sequential area numbering requires all APs to be connected and fully operational across the entire stack.
質問 # 95
A university lecture hall has a Cisco wireless high-density network with this configuration: ?5 GHz only ?20-MHz channels ?UNII-1, UNII-2, and UNII-2E channels ?TPC minimum = 8 ?TPC maximum = 14 The lecture hall is 200 feet by 100 feet and has 16 Cisco APs that use directional antennas. Which feature must be included in the design to mitigate and reduce high-channel utilization from rogue APs?
正解：B
解説：
Receive Start of Packet (RxSOP) is a Cisco proprietary mechanism that defines the minimum received signal threshold at which an access point will acknowledge an 802.11 frame and begin processing it. In a high-density lecture hall environment with 16 APs and directional antennas on a constrained channel plan, rogue APs operating on the same or adjacent channels contribute directly to elevated channel utilization by causing unnecessary medium contention, virtual carrier sensing via NAV, and clear channel assessment deferral. By raising the RxSOP threshold on the legitimate APs, the engineer creates a higher signal floor requirement -- only signals above the configured RxSOP level are processed. Signals from distant rogue APs, arriving below this threshold, are silently discarded rather than processed, preventing them from consuming airtime through CCA deferral and NAV mechanisms.
質問 # 96
A customer has two Cisco wireless controllers named WLC-A and WLC-B. Each controller is in a different building on a campus. The WLCs have different Layer 3 interfaces and broadcast the same SSIDs from their respective APs. Users must remain connected to the same VLAN and maintain their IP addresses during roaming from the APs attached to WLC-A and WLC-B. Which action accomplishes the requirement?
正解：D
解説：
The requirement for users to retain their VLAN assignment and IP address when roaming between buildings managed by different WLCs is a Layer 3 roaming scenario. In Cisco ' s wireless architecture, IP address preservation across controller boundaries is achieved through inter-controller mobility - specifically the foreign-anchor mobility tunnel mechanism. When a client roams from Building A (WLC-A) to Building B (WLC-B), WLC-B becomes the foreign controller and WLC-A becomes the anchor controller. WLC-B tunnels the client ' s traffic back to WLC-A, allowing the client to retain its original IP address even while physically associated to an AP managed by WLC-B. This requires creating a mobility group between WLC-A and WLC-B with both controllers configured with the same mobility group name - the group name is the trust identifier that permits the mobility tunnel and anchor-foreign relationship to form. An SSO cluster (Option B) creates redundancy between two WLCs operating as one logical entity, not inter-building roaming between independent controllers. 802.11r (Option C) accelerates re-association but does not preserve IP addresses across different Layer 3 subnets. AP groups (Option D) control SSID and VLAN assignments but do not enable inter-controller IP preservation. Reference: WLSD Study Guide - Inter-Controller Mobility, Layer 3 Roaming, IP Address Preservation.
質問 # 97
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