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Cisco 300-425 Practice Test - Questions Answers, Page 9
List of questions
Question 81
During a post-deployment site Survey, issues are found with non wi-Fi interference. What should the engineer use to identify the source of the Interference?
Network analysis module
Wireless intrusion prevention
Wireshark
Cisco spectrum expert
Question 82
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 using to identify the end-to-end network performance?
GPS assisted
Spectrum analysis
Passive
Active ping
https://support.ekahau.com/hc/en-us/articles/115004973067-Spectrum-Analysis-Surveys
Question 83
A customer is looking for a network design with Cisco Hyperloctation using AP4800 for location tracking via a custom mobile app Issues appeared in the past with refresh rates for location updates. What needs to be implemented to meet these requirements?
Cisco CMX SDK in the location app
redundant CMX and fetch location in round-robin fashion.
device Bluetooth via the app
Cisco FastLocate technology
Question 84
How does AP failover priority for access points function when configured with priority 1 or 4?
When configured with priority 1, the access point is assigned with the highest priority level and it is marked as critical. This access point fails over before other access points with the lower priority when there is primary controller failure.
When configured with priority 4, the access point is assigned with the highest priority level and it is marked as critical. This access point fails over before other access points with the lower priority when there is primary controller failure.
When configured with priority 4, the access point is assigned with the lowest priority level and it is marked as low. This access point fails over after other access points with the higher priority when there is primary controller failure.
When configured with priority 1, the access point is assigned with the medium priority level and it is marked as medium. This access point fails over after other access points with the higher priority when there is primary controller failure.
Question 85
An engineer Is trying to determine the most cost-effective way to deploy high availability for a campus enterprise wireless network that currently leverages three wireless LAN controllers. Which architecture should the engineer deploy?
N+1 solution without SS0
N+1 with SSO
N+N solution without SSO
N+N with SSO
https://www.cisco.com/c/en/us/td/docs/wireless/technology/hi_avail/N1_High_Availability_Deployment_Guide/N1_HA_Overview.html?
Question 86
Refer to the exhibit. An enterprise is using wireless as the main network connectivity for clients. To ensure service continuity. a pair of controllers will be installed in a datacentre. An engineer is designing SSO on the pair of controllers. What needs to be included in the design to avoid having the secondary controller go into maintenance mode?
The Keep alive timer is too low. which causes synchronization problems.
The connection between the redundancy ports is missing.
The redundancy port must be the same subnet as the redundancy mgmt.
The Global Configuration of SSO is set to Disabled on the controller.
'There are few scenarios where the Standby WLC may go into Maintenance Mode and not be able to communicate with the network and peer: * Non reachability to Gateway via Redundant Management Interface * WLC with HA SKU which had never discovered peer * Redundant Port is down * Software version mismatch (WLC which boots up first goes into active mode and the other WLC in Maintenance Mode)' High Availability (SSO) Deployment Guide -- Cisco
Question 87
Campus users report a poor wireless experience. An engineer investigating the issue notices that in high-density areas, the wireless clients fail to switch the AP to which are automatically connected. This sticky client behavior is causing roaming issues. Which feature must the engineer configure?
Load balancing and band select
optimized roaming
Layer 3 roaming
Layer 2 roaming
https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/80/hdx_final/b_hdx_dg_final/high_density_experience_features_added_in_release_8_0.html
Question 88
What is the attenuation value of a human body on a wireless signal?
3 dB
4 dB
6 dB
12 dB
Signal AttenuationSignal attenuation or signal loss occurs even as the signal passes through air. The loss of signal strength is more pronounced as the signal passes through different objects. A transmit power of 20 mW is equivalent to 13 dBm. Therefore, if the transmitted power at the entry point of a plasterboard wall is at 13 dBm, the signal strength is reduced to 10 dBm when exiting that wall. This table shows the likely loss in signal strength caused by various types of objects.
Signal Attenuation Caused By Various Types of Objects
Object in Signal Path
Signal Attenuation through Object
Plasterboard wall
3 dB
Glass wall with metal frame
6 dB
Cinder block wall
4 dB
Office window
3 dB
Metal door
6 dB
Metal door in brick wall
12 dB
Human body
3 dB
Each site surveyed has different levels of multipath distortion, signal loses, and signal noise. Hospitals are typically the most challenging environment to survey due to high multipath distortion, signal losses and signal noise. Hospitals take longer to survey, require a denser population of access points, and require higher performance standards. Manufacturing and shop floors are the next hardest to survey. These sites generally have metal siding and many metal objects on the floor, which result in reflected signals that recreate multipath distortion. Office buildings and hospitality sites generally have high signal attenuation but a lesser degree of multipath distortion.
https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wireless-lan-wlan/71642-vocera-deploy-guide.html
Question 89
An enterprise is using two wireless controllers to support the wireless network. The data centre is located in the head office Each controller has a corporate WLAN configured with the nameCopr-NET390595865WLC-1 and Copr-NET6837l638WLC-2. The APs are installed using a round-robin approach to load balance the traffic. What should be changed on the configuration to optimize roaming?
Move all access points to one controller and use the other as N+1 HA.
Use the same WLAN name for the corporate network on both controllers.
Use the same WLAN name for the corporate network on both controllers.
Place the access points per floor on the same controller.
Question 90
An engineer is conducting a Layer 2 site survey. Which type of client must the engineer match to the survey?
best client available
phone client
normal client
worst client available
https://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html
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