300-425 Exam Dumps Pass with Updated Nov-2026 Tests Dumps [Q135-Q157]

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300-425 Exam Dumps Pass with Updated Nov-2026 Tests Dumps

300-425 exam questions for practice in 2026 Updated 351 Questions

Cisco 300-425 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Wired and Wireless Infrastructure Design	30%	– Logical infrastructure 1. Architecture choice: centralized, distributed, cloud-managed 2. Licensing, VLAN, QoS, security design – Physical infrastructure 1. AP power, cabling, switch capacity, mounting, grounding 2. Controller placement, port planning, redundancy – Radio frequency design 1. High-density, bridging/mesh design 2. Channel planning, power management, antenna selection
Topic 2: Mobility Design	25%	– Mobility tunneling 1. Optimization for voice/video 2. Data and control path validation – Location services 1. Integration with analytics 2. Designing for location accuracy – Roaming and mobility groups 1. Intra-controller, inter-controller, inter-domain roaming 2. Mobility group roles and configuration
Topic 3: Wireless Site Survey	25%	– Survey types and execution 1. Tools: Ekahau, AirMagnet, Planner, spectrum analysis 2. Predictive, pre-deployment, post-deployment, Layer 1 surveys – Requirements collection and constraint evaluation 1. Physical environment and interference analysis 2. Client density, application types, AP selection
Topic 4: WLAN High Availability	20%	– AP and service redundancy 1. SSID and service continuity 2. AP failover, RRM, load balancing – Controller high availability 1. Georedundancy and disaster recovery 2. Stateful switchover, SSO, N+1, LAG

QUESTION 135
A customer has a central Cisco WLC that manages APs in FlexConnect mode. The wireless infrastructure supports multiple small branches. One branch deploys new CCX wireless phones that are authenticated by a central Cisco ISE via PEAP/IMSCHAPv2, and trac is switched locally. The customer must reduce the number of full authentication requests and optimize roaming for the new phones. Which action accomplishes the requirement?

Enable CCKM on the voice SSID and add APs to a FlexConnect group.

Enable Aironet IE on the voice SSID and add APs to an AP group.

Enable Aironet IE on the voice SSID and add APs to a FlexConnect group.

Enable CCKM on the voice SSID and add APs to an AP group.

QUESTION 136
A small customer has a legacy autonomous mode Wi-Fi deployment that provides a low-density and low- capacity service. The customer wants to update and replace this deployment with the latest Wi-Fi technology but has a fixed budget that will pay only to replace the APs. Which architectural controller deployment model suits this requirement?

fabric

cloud

embedded

unified

QUESTION 137
A network administrator uses GRE over IPSec to connect two branches together via VPN tunnel. Which one of the following is the reason for using GRE over IPSec?

GRE over IPSec provides better QoS mechanism and is faster than other WAN technologies

GRE over IPSec decreases the overhead of the header.

GRE supports use of routing protocol, while IPSec supports encryption.

GRE supports encryption, while IPSec supports use of routing protocol.

Following are the management protocols that the MPP feature supports.
These management protocols are also the only protocols affected when MPP is enabled.

QUESTION 138
A consulting engineer is preparing to survey a brownfield deployment for a 6000-sqft building with four floors that have APs. The entire building is being remodeled and the furniture, office walls, and decoration are being updated. The engineer must perform a survey analysis on the potential RF impact of newer furniture materials. How must the survey be conducted?

Evaluate the neighbor APs strength and density based on the radio statistics information of each AP.

Measure upstream and downstream data rates based on the remodeling of the building.

Use a survey tool with the existing AP positions using building floor maps and material configuration.

Perform a sweep analysis first to predict the signal strength across each point in a floor.

When a brownfield site is undergoing major physical changes (new furniture, walls, and materials), the correct approach is a predictive survey. Using a survey tool with existing AP locations, updated floor maps, and accurate material attenuation values allows the engineer to model the RF impact of the new materials and assess coverage before or during remodeling.

QUESTION 139
Refer to the exhibit. A company is designing a Cisco wireless solution that has two WLCs named WLC1 and WLC2 and several APs. An AP named AP12 is a critical AP and is provisioned to be installed in hallway 6, which is located just outside the office of the company director and must always connect to WLC1. Which priority level must be incorporated in the design for AP12?

QUESTION 140
Which three pieces of equipment are needed to conduct a fully measured wireless survey? (Choose three.)

PoE battery

spirit level

access point

tall tripod

goggles

ladder

A fully measured wireless survey requires tools that support the active functioning of the network and allow for physical access to install and measure equipment. A PoE (Power over Ethernet) battery is necessary to power the access point during the survey. The access point itself is essential for broadcasting the signal. A ladder is needed to reach high places for proper access point placement and to measure coverage areas effectively.
CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide
https://www.cisco.com/c/en/us/td/docs/wireless/technology/mesh/81/design/guide/b_mesh_81/Site_Preparation_and_Planning.html

QUESTION 141
An enterprise is using two wireless controllers to support the wireless network. The data center is located in the head office. Each controller has a corporate WLAN configured with the name CoprNET390595865WLC-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

Move the controllers to an external data center with higher internet speeds

Place the access points per floor on the same controller.

QUESTION 142
A customer deploys a new Cisco high-density wireless network within the open areas of a mall to provide free public wireless on 5 GHz. The existing mall tenants have their own wireless networks that are independently managed. Which design approach minimizes channel utilization for the public network?

Enable all 5-GHz channels that are supported by the region and use 40-MHz channels.

Enable UNII-1 channels only and use 80-MHz channels.

Enable UNII-1 channels only and use 20-MHz channels.

Enable all 5-GHz channels that are supported by the region and use 20-MHz channels.

To minimize channel utilization and interference with existing tenant networks, it’s best to use the UNII-1 channels, which are typically less congested, and stick to 20-MHz channels to provide more non-overlapping channels and reduce co-channel interference.

QUESTION 143

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.

For Stateful Switchover (SSO) to function correctly, the redundancy ports on both the primary and secondary controllers must be directly connected. This allows for the necessary state and configuration information to be synchronized between the two controllers, preventing the secondary controller from entering maintenance mode in the event of a failover.

QUESTION 144
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.)

Packets are always sent out on the same port they are received on.

All interface traffic passes as long as one port is up.

The same port has multiple untagged dynamics interfaces.

Interface connection to two separate nonstacked switches is available.

Full bandwidth of all links is available.

Ports are grouped into multiple LAGs.

Explanation
https://community.cisco.com/t5/wireless-mobility-documents/lag-link-aggregation/ta-p/3128669

QUESTION 145
Where must the APs be mounted when used in a high-density wireless network to provide 6 dB to 20 dB of attenuation to a cell?

in the aisle

under the seat

above the stage

under the stage

In high-density environments, such as stadiums or auditoriums, APs are often mounted under the seats to provide a controlled cell size with attenuation. This placement helps to manage the RF environment by providing attenuation of 6 dB to 20 dB, which can reduce co-channel interference and improve the user experience by ensuring a strong signal and minimizing noise from other cells.

QUESTION 146
An engineer is designing a wireless network to support Cisco Hyperlocation. The customer indicated some How is the design adjusted?

Add additional APs to all the comers of the site.

Add more APs than indicated from the site survey spread across all areas.

Add an additional AP in the middle of the dense area.

Run the site survey using -57d Bm as a threshold.

QUESTION 147
An engineer is designing a new wireless network. The network needs to meet these requirements:

Which design approach should be taken?

5 GHz frequency band with channel bonding, to support 40 MHz channels

5 GHz frequency band without channel bonding, to support 20 MHz channels

5 GHz frequency band with channel bonding, to support 80 MHz channels.

2.4 GHz frequency band without channel bonding, to support 20 MHz channels

The design approach should use the 5 GHz frequency band without channel bonding to support 20 MHz channels. This provides a balance between network capacity and interference mitigation.
https://www.cisco.com/c/en/us/support/docs/wireless/4400-series-wireless-lan-controllers/108184-config-802-11n-wlc.html

QUESTION 148
Which strategies must the engineer use for the antenna deployment model in a warehouse?

ceiling-mounted, high-gain, omnidirectional antennas

wall-mounted, low-gain, omnidirectional antennas

wall-mounted, patch directional antennas

ceiling-mounted, directional antennas

In warehouse environments, ceiling-mounted directional antennas are used to focus RF energy down narrow aisles, reduce co-channel interference, and improve signal consistency at floor level. This deployment model aligns the antenna pattern with the physical layout of racks and aisles, which is critical for reliable coverage and capacity.

QUESTION 149
An engineer is designing a high-density WLAN that must support 100 concurrent users with 100 Mbps throughput consistently. The design allows for 20 Mops per cell and per channel on the 5 GHz band. How many channels must the design use to provide 1 Mbps per user prior to RF overhead?

QUESTION 150
An engineer working for an enterprise deployed multiple Cisco WLCs. A controller that sits in the R&D division is connected through a firewall and is part of the same mobility group. The engineer must ensure that the mobility tunneling is available through the firewall and test it as R&D engineers roam the production ..within their department. How is this requirement met?

mapping on UDP port 16666 and mapping on Protocol 96 between management ports

mapping on UDP port 16666 and mapping on Protocol 97 between management ports

mapping on UDP port 16667 and mapping on Protocol 97 between management ports

mapping on UDP port 16667 and mapping on Protocol 96 between management ports

For mobility tunneling through a firewall in a Cisco wireless network environment, UDP port 16666 must be open along with IP Protocol number ’97’, which is used for Encapsulating Security Payload (ESP) traffic typically found in IPsec tunnels. By ensuring these ports are mapped correctly through the firewall, R&D engineers can roam within their department while maintaining a secure mobility tunnel. Reference := (CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide Premium Edition and Practice)

QUESTION 151
Which statement about the 9800 Series Wireless Controller mobility tunnel on a Cisco Catalyst 9800 controller is true?

It is an IPsec tunnel with control path only.

It is a CAPWAP tunnel with data path only.

It is a CAPWAP tunnel with control path and data path.

It is an IPsec tunnel with control path and data path.

Section: Mobility

QUESTION 152
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 MB. What should be included in the design to accomplish this objective?

Set the channel width for 802.11b to 40 MHz and set data rates to 24 MB and Mandatory.

Set the channel width for 802.11a to 40 MHz and set data rates to 24 MB and Supported.

Set the channel width for 802.11a to 40 MHz and set data rates to 24 MB and Mandatory.

Set the channel width for 802.11b to 40 MHz and set data rates to 24 MB and Supported.

To support a high density of mobile devices and bond channels in groups of two, the channel width for 802.11 a should be set to 40 MHz. Setting the data rates to 24 MB and Mandatory ensures that only APs can send
802.11 management frames at this rate, which helps in managing the airtime fairness. References: CCNP Enterprise Wireless Design ENWLSD 300-425 and Implementation ENWLSI 300-430 Official Cert Guide.

QUESTION 153
A wireless engineer is getting ready to perform a predictive site survey. The new network needs to support data and voice over wireless. Which two Cisco recommendations should be considered for the design? (Choose two.)

Set -19 dBm of separation between APs on the same channel.

Use the 5 GHz radio band due to 40 MHz bandwidth capability.

Use the 5 GHz radio band due to the 24 non-overlapping channels.

Set the cell boundary to -67 dBm.

Set the cell overlap to 15%

The 5 GHz band is recommended for voice over wireless due to its wider channel bandwidths, allowing for higher data rates. Setting the cell boundary at -67 dBm ensures sufficient signal strength for reliable voice communication. Reference: CCNP Enterprise Wireless Design ENWLSD 300-425 Official Cert Guide.

QUESTION 154
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?
A)

B)

C)

Option A

Option B

Option C

Option D

QUESTION 155
In a high-density stadium deployment, which two design considerations are most important?

Use of high-gain omni antennas and 2.4 GHz channels

Coverage overlap of 50% and fewer APs

Sectorized directional antennas and channel reuse planning

Single large AP with maximum transmit power

QUESTION 156
An engineer is working for a manufacturing company that has a centralized deployment model. Guests at headquarters need wireless access for presentations, demonstrations, and sharing of information. The engineer must provide external users with secure guest access by connecting to anchor controllers on the DMZ. Auto-Anchor Mobility has been selected in the mobility group to accomplish it. Both anchors are configured as part of the mobility group for HQ. Which design approach ensures that clients connect to the primary controller first and are pushed to the secondary if the primary fails?

Set the Anchor priority for the primary controller to 1.

Set the Anchor priority for the secondary controller to 1.

Configure ECMP but weigh the cost to be higher to go to the primary.

Configure ECMP but weigh the cost to be higher to go to the secondary.

Setting the Anchor priority for the primary controller to 1 ensures that clients connect to the primary controller first. The Anchor priority is a value assigned to each controller within a mobility group to determine the order in which clients should connect to the controllers. A lower priority value has higher precedence. Therefore, by setting the primary controller’s Anchor priority to 1, it becomes the preferred controller for client connections.
If the primary controller fails, clients are then pushed to the secondary controller, which should have a higher Anchor priority value.

QUESTION 157
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 datacenter An engineer is designing SSO on the pair of controllers What needs to be included m 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.

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