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| Section | Weight | Objectives |
|---|---|---|
| WLAN High Availability and Security Design | 20% | - Management and monitoring design - High availability design
|
| Mobility Design | 25% | - Guest mobility and BYOD design - Roaming optimization
|
| Wireless Infrastructure Design | 30% | - Wired-wireless integration design
|
| Wireless Site Survey | 25% | - Design requirements collection and constraint evaluation
- Pre-deployment survey and validation - RF propagation and attenuation analysis |
The advent of our Cisco 300-110 study guide with three versions has helped more than 98 percent of exam candidates get the certificate successfully. Rather than insulating from the requirements of the Designing Cisco Wireless Networks 300-110 Real Exam, our 300-110 practice materials closely co-related with it.
NEW QUESTION # 38
An engineer is conducting a Layer 2 site survey. Which type of client must the engineer match to the survey?
Answer: C
Explanation:
When conducting a Layer 2 site survey, it is recommended to match the survey to the worst client available.
This ensures that the wireless network is designed to provide adequate coverage and performance even for clients with the poorest RF capabilities, thereby providing a consistent user experience for all devices. The worst client typically has fewer antennas, lower receiver sensitivity, and less sophisticated chipsets. By designing to its limitations, the engineer guarantees that every device in the environment meets the minimum performance threshold. Using the best client (Option A) or an average client (Option C) would result in coverage gaps for less capable devices. A phone client (Option B) may have unique characteristics but is not a universally applicable standard for general survey purposes. Reference: WLSD Study Guide - Site Survey Methodology, Client Selection for Survey, Layer 2 Pre-Deployment Survey.
NEW QUESTION # 39
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?
Answer: D
Explanation:
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.
NEW QUESTION # 40
A network engineer is designing a new wireless network. The network must include these requirements: * optimized performance * avoid interference * availability in high-density areas * roaming Which two approaches must be taken? (Choose two.)
Answer: A,D
Explanation:
The design requirements - optimized performance, interference avoidance, high-density support, and roaming capability - collectively point to a dual-band strategy using narrow channel widths. For 5 GHz operation (Option A), 20 MHz channels are the correct choice for high-density and campus-scale deployments. The 5 GHz band has significantly more non-overlapping channels compared to 2.4 GHz (up to
24 non-overlapping 20 MHz channels in UNII-1, UNII-2, and UNII-3), enabling a robust channel reuse plan with minimal co-channel interference and excellent roaming cell separation. Wider 5 GHz channels (Options C and E - 80 MHz and 40 MHz) would consume multiple channel blocks, dramatically reducing the number of available non-overlapping channels and increasing co-channel interference in dense deployments. For 2.4 GHz operation (Option B), 20 MHz channels are mandatory - there are only three non-overlapping 20 MHz channels (1, 6, 11) in the 2.4 GHz band. Using 40 MHz channels in 2.4 GHz (Option D) eliminates all non- overlapping channel separation, causing massive co-channel interference and is universally contraindicated in enterprise designs. Reference: WLSD Study Guide - Channel Planning, High-Density Design, Frequency Band Selection.
NEW QUESTION # 41
A customer purchases this Cisco equipment for a new branch office: ?20 Cisco Catalyst 9120 APs ?five Catalyst 9130 APs ?a single Catalyst 9300 Series Switch The customer wants to extend its existing wired and wireless fabric-enabled network to the branch office and manage all devices via a centrally deployed Cisco Catalyst Center (formerly DNA Center). Which Cisco Catalyst Center licenses are required for the branch office equipment?
Answer: B
Explanation:
Cisco Catalyst Center uses a tiered licensing model -- Essentials and Advantage -- applied to both switching and wireless infrastructure. To enable a fully fabric-enabled (SD-Access) deployment with centralized management, the Cisco Catalyst Advantage license is required across all device types. The Advantage tier unlocks Software-Defined Access fabric capabilities including macro and micro- segmentation, integration with Cisco ISE for policy enforcement, AI/ML-driven analytics via DNA Spaces and Assurance, and automated provisioning. The Essentials license provides only basic device management, inventory, and software image management -- it does not unlock SD-Access fabric functionality. Since the branch design specifically extends an existing fabric-enabled network, the Essentials tier for either the switch or APs would create a licensing gap preventing full fabric participation.
NEW QUESTION # 42
During a site survey for a new wireless deployment in a multifloor office building, an engineer must identify sources of interference and ensure optimal AP placement for 5 GHz coverage. While walking the site with a spectrum analyzer, the engineer notices periodic spikes in the noise floor on several channels and inconsistent signal strengths reported by the survey tool, despite visually unobstructed paths. Which action must the engineer take next to accurately assess and mitigate the Layer 1 interference?
Answer: B
Explanation:
Layer 1 interference analysis is foundational to the Cisco site survey methodology. When a spectrum analyzer reveals periodic noise floor spikes across multiple channels with no clear line-of-sight obstruction, the root cause is almost certainly a non-802.11 device - candidates include cordless phones, video cameras, microwave equipment, or radar systems triggering DFS events. The correct engineering response is systematic documentation: capture the time of occurrence, the specific frequency or frequency range, and the geographic location of the interference signature. This triangulation data enables correlation with physical devices present in the facility. Simply increasing transmit power (Option A) raises the noise floor for neighboring cells and worsens co-channel interference. Using WLC monitoring tools (Option B) is insufficient because the WLC cannot detect non-802.11 energy at Layer 1. Adjusting the channel plan (Option C) without fully characterizing the interferer is premature. Only Option D follows the correct Cisco survey methodology for Layer 1 analysis, leading to actionable AP placement adjustments. Reference: WLSD Study Guide - Wireless Site Survey Methodology, Layer 1 Spectrum Analysis, Interference Identification and Mitigation.
NEW QUESTION # 43
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