300-110考題免費下載 & 300-110熱門考古題

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300-110考題免費下載, 300-110熱門考古題, 300-110考古題介紹, 300-110真題, 300-110權威考題

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Cisco 300-110 Exam Syllabus Topics:

Section Objectives
Cisco Wireless Architecture - Lightweight Access Point (LAP) deployment models
- Mobility groups and roaming design
- Controller-based architecture (WLC)
RF Fundamentals and Design Principles - Channel planning and interference mitigation
- Antenna types and placement strategies
- RF behavior and propagation
Wireless Security Design - Guest access and segmentation strategies
- WPA2/WPA3 enterprise security design
- 802.1X authentication and RADIUS integration
Troubleshooting and Validation - Validation tools and post-deployment testing
- Wireless performance troubleshooting methodologies
High Availability and Performance Optimization - Load balancing and RF optimization
- Redundancy design for controllers and APs
Wireless Site Survey and Requirements Analysis - Coverage and capacity planning
- Physical environment assessment and constraints
- Business and technical requirements gathering

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最新的 CCNP Wireless 300-110 免費考試真題 (Q12-Q17):

問題 #12
A school deploys a Cisco wireless infrastructure in its classrooms to support a high density of mobile devices. The network administrator wants to bond channels in groups of two and only allow APs to send 802.11 management frames at 24 Mbps. What should be included in the design to accomplish this objective?

  • A. Set the channel width for 802.11a to 40 MHz and set data rates to 24 Mbps and Supported.
  • B. Set the channel width for 802.11b to 40 MHz and set data rates to 24 Mbps and Supported.
  • C. Set the channel width for 802.11a to 40 MHz and set data rates to 24 Mbps and Mandatory.
  • D. Set the channel width for 802.11b to 40 MHz and set data rates to 24 Mbps and Mandatory.

答案：C

解題說明：
For a high-density classroom deployment using 5 GHz with channel bonding in groups of two (40 MHz channels), the correct configuration is to set the channel width for 802.11a (5 GHz) to 40 MHz and set the 24 Mbps data rate to Mandatory. Channel bonding refers to combining two adjacent 20 MHz channels into a single 40 MHz channel, doubling the channel width. Since the requirement specifies 5 GHz operation (where high-density design is appropriate), this must be applied to the 802.11a radio profile, not 802.11b (which operates only on 2.4 GHz). Setting 24 Mbps as Mandatory ensures that APs transmit management frames (beacons, probe responses, and other control frames) only at 24 Mbps -- this is how the 'only allow APs to send 802.11 management frames at 24 Mbps' requirement is implemented.


問題 #13
A wireless engineer is using Ekahau site survey to validate that an existing wireless network is operating as expected. Which type of survey should be used to identify end-to-end network performance?

  • A. Passive
  • B. GPS assisted
  • C. Spectrum analysis
  • D. Active ping

答案：D

解題說明：
An active ping survey is used to validate network performance by sending and receiving data packets to measure end-to-end network performance, including latency, packet loss, and throughput. Ekahau site survey tools can perform active ping surveys to test the connectivity and performance of the wireless network while the surveyor walks the floor plan, producing a geographically correlated map of network performance metrics. This differs fundamentally from passive surveys, which only measure signal strength from beacons.


問題 #14
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?

  • A. Increase the transmit power of all APs to compensate for the signal fluctuations and re-run the survey to verify the visual line-of-sight and signal strength measurements.
  • B. Document the affected channels and locations, then attempt to adjust the channel plan to avoid the frequencies that experience the most interference during initial deployment.
  • C. Use the spectrum analyzer to document the time, frequency, and location of the noise spikes, then correlate them with possible non-Wi-Fi interferers and adjust AP placement accordingly.
  • D. Use the wireless controller monitoring tools in combination with the site survey tool heatmap output to determine AP locations and capture the Layer 1 spectrum analysis for ongoing analysis.

答案：C

解題說明：
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.


問題 #15
A customer wants to provide wireless coverage in a parking lot outside of a building. An engineer determines that three APs are required. The APs can be mounted on the light poles in the parking lot because there are cable routes already in place for these locations. The closest wiring closet is approximately 200 meters away.
Which setup powers and connects the APs back to the customer network?

  • A. category 6 UTP cabling and Cisco UPOE
  • B. fiber connectivity with 802.3af
  • C. fiber connectivity with an AC/DC power module
  • D. Category 6 UTP cabling and PoE+

答案：C

解題說明：
This question hinges on a fundamental network engineering constraint: the maximum transmission distance of copper Ethernet cabling. IEEE 802.3 standards specify a maximum segment length of 100 meters (328 feet) for all standard PoE and Ethernet over Category 5e, 6, or 6A UTP copper cabling. The parking lot light poles are approximately 200 meters from the closest wiring closet - more than double the maximum copper distance. This immediately eliminates Options A and D, which specify Category 6 UTP cabling: at 200 meters, UTP copper cannot reliably carry Ethernet at any supported speed, and PoE cannot be delivered over this distance regardless of standard. The correct solution is fiber optic connectivity between the wiring closet and the parking lot, combined with a local AC/DC power module at each pole location. Fiber optic cabling supports single-mode runs of kilometers and multi-mode runs of hundreds of meters at Gigabit speeds - easily spanning 200 meters. At the AP mounting location on the light pole, an AC/DC power module (powered from the pole ' s existing electrical supply) converts AC power to the DC power the AP requires.
Option B (fiber with 802.3af) is incorrect because PoE cannot be delivered over fiber - 802.3af requires copper cabling for simultaneous power and data delivery. Reference: WLSD Study Guide - Outdoor AP Deployment, Fiber vs. Copper Distance Limitations, Outdoor Power Solutions.


問題 #16
A network engineer must review the design for a Cisco wireless deployment at a hospital. The deployment will have two Cisco 9800 WLCs configured with SSO, one Cisco 9800 WLC joined to the SSO controllers using a mobility tunnel, and one Cisco 9800 WLC that will be used as a service/dev controller and not joined using a mobility tunnel. Which high availability option must be incorporated in the design to ensure that APs choose the service/dev controller last when trying to associate?

  • A. secondary
  • B. primary
  • C. tertiary
  • D. AP failover priority

答案：C

解題說明：
In Cisco's AP controller preference hierarchy, each AP can be configured with a primary, secondary, and tertiary controller designation. The AP will attempt to join controllers in this exact order: primary first, secondary second, and tertiary third. When no controllers from the preference list are available, the AP may fall back to any reachable controller through standard CAPWAP discovery. In this hospital deployment, the service/development controller must be the controller of last resort -- it should only receive AP associations when all other options are exhausted.
Configuring the service/dev controller as the tertiary controller in the APs' preference configuration ensures exactly this behavior:
APs will attempt the SSO pair (primary) first, then the third production WLC joined via mobility tunnel (secondary), and only then the service/dev controller (tertiary). This prevents development traffic from disrupting production service, and ensures production APs do not inadvertently join the service environment during partial outages.


問題 #17
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