300-425関連資格知識、300-425資料的中率

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Cisco 300-425 Exam Syllabus Topics:

Section	Weight	Objectives
WLAN High Availability	20%	- Controller high availability 1. Stateful switchover, SSO, N+1, LAG 2. Georedundancy and disaster recovery - AP and service redundancy 1. SSID and service continuity 2. AP failover, RRM, load balancing
Wireless Site Survey	25%	- Requirements collection and constraint evaluation 1. Physical environment and interference analysis 2. Client density, application types, AP selection - Survey types and execution 1. Tools: Ekahau, AirMagnet, Planner, spectrum analysis 2. Predictive, pre-deployment, post-deployment, Layer 1 surveys
Wired and Wireless Infrastructure Design	30%	- Physical infrastructure 1. Controller placement, port planning, redundancy 2. AP power, cabling, switch capacity, mounting, grounding - Logical infrastructure 1. Architecture choice: centralized, distributed, cloud-managed 2. Licensing, VLAN, QoS, security design - Radio frequency design 1. High-density, bridging/mesh design 2. Channel planning, power management, antenna selection
Mobility Design	25%	- Location services 1. Integration with analytics 2. Designing for location accuracy - Roaming and mobility groups 1. Mobility group roles and configuration 2. Intra-controller, inter-controller, inter-domain roaming - Mobility tunneling 1. Optimization for voice/video 2. Data and control path validation

>> 300-425関連資格知識 <<

実際的Cisco 300-425｜更新する300-425関連資格知識試験｜試験の準備方法Designing Cisco Enterprise Wireless Networks資料的中率

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Cisco Designing Cisco Enterprise Wireless Networks 認定 300-425 試験問題 (Q91-Q96):

質問 # 91
The wireless team must configure a new voice SSID for optimized roaming across multiple WLCs with Cisco 8821 phones. Which two settings accomplish this goal? (Choose two.)

A. Configure AVC profile on new SSID.
B. Use Cisco Centralized Key Management for authentication.
C. Configure AP groups between WLCs.
D. Use AVC to tag traffic voice traffic as best effort.
E. Configure mobility groups between WLCs.

正解：B、E

解説：
For optimized roaming across multiple Wireless LAN Controllers (WLCs) with Cisco 8821 phones, configuring mobility groups between WLCs allows for seamless roaming and sharing of security contexts. Additionally, using Cisco Centralized Key Management (CCKM) for authentication reduces the time required for re-authentication during roaming, providing a more efficient transition between access points3

質問 # 92
Why is 802.11a connectivity reduced in an X-ray room?

A. X -rays within these rooms cause multipath issues.
B. X-rays impact the 802,11a UNll-2 channels that cause access points to dynamically change channels.
C. X-ray rooms exhibit increased signal attenuation.
D. X-rays create significant non-Wi-Fi interference on the 802.11a band.

正解：C

解説：
The connectivity of 802.11a, which operates in the 5 GHz band, is reduced in X-ray rooms primarily due to the increased signal attenuation caused by the lead and other dense materials used in the construction of these rooms to shield against X-ray radiation. These materials effectively block or weaken the radio signals used for wireless communication portable X-ray machines, sending high-resolution images, sometimes in real time, echography machines, and electrocardiography [ECG] machines). These devices may also use the same spectrum as Wi-Fi but with other protocols and, therefore, become sources of interference for your system.

質問 # 93
Refer to the exhibit.

A WLC SSO pair is set up. Which failure scenario causes a split-brain scenario?

A. VSL is down.
B. One distribution port on the active WLC is down.
C. Two distribution ports on the active WLC are down.
D. RP is down.

正解：A

質問 # 94
A customer with two Cisco 5520 WLCs that work as a primary and secondary had some switching issues and the primary controller lost connectivity. Immediately all APs went to discovery and joined the secondary controller. After recovering from the issue, the primary controller is online, but no APs return to it. All APs remain in the secondary controller. Which setting advises the APs to return to their primary controller?

A. AP multicast mode
B. broadcast forwarding
C. AP heartbeat timeout
D. AP fallback

正解：D

質問 # 95
Why is 802.11a connectivity reduced in an X-ray room?

A. X -rays within these rooms cause multipath issues.
B. X-rays impact the 802,11a UNll-2 channels that cause access points to dynamically change channels.
C. X-ray rooms exhibit increased signal attenuation.
D. X-rays create significant non-Wi-Fi interference on the 802.11a band.

正解：C

解説：
portable X-ray machines, sending high-resolution images, sometimes in real time, echography machines, and electrocardiography [ECG] machines). These devices may also use the same spectrum as Wi-Fi but with other protocols and, therefore, become sources of interference for your system.

質問 # 96
......

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