300-425測試 & 300-425認證

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Cisco 300-425 Exam Syllabus Topics:

Section	Objectives
Wireless Troubleshooting and Optimization	- Common RF and client connectivity issues - Performance monitoring and tuning
Mobility and Roaming Design	- Fast secure roaming (802.11r, OKC) - Layer 2 and Layer 3 roaming
Wireless Network Architecture	- Cloud and on-prem deployment models - Cisco wireless architecture components (WLC, AP modes) - Centralized vs distributed design models
Quality of Service and Performance Design	- QoS classification and marking - Voice and video optimization over wireless
Wireless Site Survey & Design Methodologies	- Coverage and capacity planning - Requirements gathering and design considerations - Site survey types and tools
Wireless Security Design	- Authentication methods (WPA2/WPA3, 802.1X) - Guest access design considerations - Cisco ISE integration
RF Design and Wireless Standards	- Antenna types and placement design - RF fundamentals (channels, bandwidth, interference) - 802.11 standards and amendments

>> 300-425測試 <<

信賴可靠300-425測試是最快捷的通過方式Designing Cisco Enterprise Wireless Networks

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最新的 CCNP Enterprise 300-425 免費考試真題 (Q48-Q53):

問題 #48
A customer has a centralized wireless deployment with N+1 high availability and few open authentication SSIDs configured. After fail over, all APs are broadcasting all SSIDs, but the clients are assigned IP addresses from a different subnet. The WLANs on both WLCs are configured with the same dynamic interfaces. Which feature must be incorporated in the wireless design of the second controller?

A. AP Groups
B. VLAN Select
C. RF Protocol
D. AAA Override

答案：B

問題 #49
An engineer must ensure that the wireless network can accomplish fast secure roaming by way of caching keys on the access points. Which key caching mechanism is enabled by default on a Cisco AireOS WLC?

A. SKC
B. OKC
C. 802.11r
D. CCKM

答案：D

解題說明：
Section: Mobility
Explanation

問題 #50
An engineer as performing a Layer 1 passive wireless site survey utilizing a channel analyzer software in the
2.4 GHz spectrum. Which chart indicates the ratio of interference present during the duration of the capture?

答案：B

解題說明：
In a Layer 1 passive wireless site survey, the chart that indicates the ratio of interference present during the duration of the capture in the 2.4 GHz spectrum is typically a Duty Cycle chart or an Interference chart. These charts display the percentage of time that energy, possibly from interfering sources, is present on a channel.
The correct answer would show fluctuations in signal levels over time, highlighting periods where interference might be affecting the channel's clarity.

問題 #51
An engineer must create data-link redundancy for the company's Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

A. The same port has multiple untagged dynamics interfaces.
B. All interface traffic passes as long as one port is up.
C. Ports are grouped into multiple LAGs.
D. Packets are always sent out on the same port they are received on.
E. Full bandwidth of all links is available.
F. Interface connection to two separate nonstacked switches is available.

答案：B,C,E

解題說明：
LAG-based redundancy is chosen for its ability to provide continuous connectivity as long as one port in the LAG is operational (B), utilize the full bandwidth capacity of all the links in the LAG (E), and allow for the grouping of ports into multiple LAGs for increased redundancy and bandwidth (F). Reference: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

問題 #52
A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)

A. The rate of retransmitted packets must be 20 percent or below.
B. The client device must have at least an -65 dBm RSSI.
C. The client device must have at least an -67 dBm RSSI.
D. The coverage area must have a noise floor that does not exceed -87 dBm.
E. The rate of retransmitted packets must be 15 percent or below.

答案：B,C

解題說明：
Voice services on a wireless network require a strong and stable signal, as well as low interference and retransmission rates. An RSSI (Received Signal Strength Indicator) of at least -67 dBm is considered the minimum for acceptable voice quality, and -65 dBm is even better, providing a buffer for signal fluctuation. A noise floor of -87 dBm would be too high and could interfere with signal clarity. Retransmission rates should be kept as low as possible; 15% or below is a good target to ensure efficient communication.
CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide

問題 #53
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300-425認證: https://www.kaoguti.com/300-425_exam-pdf.html

此外，這些KaoGuTi 300-425考試題庫的部分內容現在是免費的：https://drive.google.com/open?id=171ahdUOVPuf8DdW-VhURsrMDTGLq4HVF