Free 300-425 Sample Questions — Designing Cisco Enterprise Wireless Networks (300-425 ENWLSD)

A company has a Cisco WLC that runs AireOS 8.3 code. A WLAN must be dedicated to mobile devices running iOS 10 or later. Which WLAN feature must be used for this requirement?

• A. Adaptive 802.11r
• B. 802.11v
• C. 802.11k
• D. 802.11i

A customer has a single anchor WLC named Anchor A. Anchor A is in a DMZ and provides guest access. The customer wants to deploy an additional anchor controller named Anchor B to provide redundancy if Anchor A fails. Which design approach should be taken for the guest WLAN priority on the foreign WLC for each anchor WLC?

• A. Set Anchor A to priority 3 and Anchor B to priority 3
• B. Set Anchor A to priority 3 and Anchor B to priority 1
• C. Set Anchor A to priority 1 and Anchor B to priority 1
• D. Set Anchor A to priority 1 and Anchor B to priority 3

An engineer is designing a new wireless network for an international company. The design must have these requirements: • broadcast wireless channels based on country regulations • controllers to support APs for regulatory domains • RF changes applied on APs per country that are installed • multiple-country feature to be used on the controllers Which design approach must be taken?

• A. Install APs and controllers with the same license number across all offices globally
• B. Install APs and controllers with the same part number across all offices globally
• C. Create an RF group with controllers configured with the same set of countries in the random order
• D. Create an RF group with controllers configured with the same set of countries in the same order

An enterprise network administrator is asked to set up an experimental WLAN for a collaboration project with a local service provider. The WLAN must be anchored to a WLC in the service provider data center using legacy mobility mode. After the configurations are completed on the WLCs and the firewalls in the path, the data path mobility tunnel is failing to come up. What should be performed by the administrator to debug the issue?

• A. Establish a Telnet connection from a local PC to the firewall on port 97
• B. Use the eping command on the WLC
• C. Establish a Telnet connection from a local PC to the firewall on port 16666
• D. Use the mping command on the WLC

An engineer must design a predictive site survey. The wireless network must be “location-ready”. Each floor is quite small and has only a few offices. Which approach must be considered?

• A. At least two access points are deployed on each floor
• B. At least one access points are deployed on each floor
• C. At least three access points are deployed on each floor
• D. At least four access points are deployed on each floor

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

A customer uses a Cisco Catalyst 9800 Series wireless controller to manage all of the APs for a campus network. Secure guest access is required for the guest network. A Cisco 5520 anchor controller is deployed within a DMZ. Which design approach ensures that the mobility tunnel is established successfully between the wireless controller and the anchor controller?

• A. Run an Inter-Release Controller Mobility compatible software version on the wireless controller
• B. Enable control plane encryption on the wireless controller
• C. Disable data link encryption on the anchor controller
• D. Run an Inter-Release Controller Mobility compatible software version on the anchor controller

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?

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

An engineer designs a new wireless network that uses a Cisco Catalyst 9800 Series wireless controller. The controller must be in a DMZ. The internal network is to be at the main on-premises data center of the customer. In addition, the customer wants to establish an EoIP tunnel to a Cisco 5520 WLC that is in a regional office. How must this requirement be incorporated into the design?

• A. Use Cisco IOS-XE code that supports encryption of the data plane on the Catalyst 9800 WLC
• B. Use AirOS code that supports encryption of the control plane on the 5520 WLC
• C. Use Cisco IOS-XE code that supports encryption of the control plane on the Catalyst 9800 WLC
• D. Use AirOS code that supports encryption of the data plane on the 5520 WLC

A customer has two Cisco WLCs configured in a SSO cluster. The wireless network supports a large warehouse. The customer purchases new iPads to replace legacy scanners. Both devices connect to a single SSID named Scanning by using WPA2 Personal. The customer wants to use a standards-based method for fast roaming on the new iPads. Which approach meets the scanner requirement and still supports the legacy scanners?

• A. Enable FT PSK and set Fast Transition to Adaptive for the Scanning SSID
• B. Enable FT 802.1X and set Fast Transition to Adaptive for the Scanning SSID
• C. Enable optimized roaming globally and enable FT 802.1X on the Scanning SSID
• D. Enable optimized roaming globally and enable FT PSK on the Scanning SSID

An engineer has designed an anchor redundancy for guest clients connecting to SSID with auto-anchor configured. After adding a second Anchor WLC under the SSID mobility anchor list, clients are load-balanced between existing and new anchors instead of having one anchor as active and the other one as standby. Which feature should be included in the design that will be configured on the WLC running 8.1 or above to ensure anchor redundancy?

• A. Auto-Anchor Foreign Mapping
• B. AP groups
• C. Guest Anchor Priority
• D. 802.11r

A network engineer is configuring high availability on an access point. What is the maximum number of controllers available to be configured?

• A. 1
• B. 2
• C. 3
• D. 4

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?

• A. optimized roaming
• B. load balancing and band select
• C. Layer 3 roaming
• D. Layer 2 roaming

An engineer is designing a wireless network to support Cisco Hyperlocation. The customer indicated some locations that require high density. How is the design adjusted?

• A. Add additional APs to all the comers of the site
• B. Add more APs than indicated from the site survey spread across all areas
• C. Add an additional AP in the middle of the dense area
• D. Run the site survey using -57dBm as a threshold

APs in a remote office recently have been converted from local mode to FlexConnect to take advantage of the local switching. After the change, remote wireless users report voice quality issues and bad quality on wireless IP phones while roaming. A debug is performed, and it is noticed that the 802.11r Fast Transition is not working as expected, like on local mode AP, though the same WLAN configuration is in place. What is the cause of the issue regarding the FlexConnect APs?

• A. They do not support 802.11r FT.
• B. They must be added into AP groups along with a common RF profile
• C. They must be in a FlexConnect group to support 802.11r FT.
• D. They must be added to AP groups to support fast roaming methods

A wireless consultant reviewing the installation of an old wireless network. The existing AireOS controllers are running software version 6.0.4539:44024. The customer is using OEAP and wants to keep this functionality. Which licenses should the consultant propose with the latest controller software version?

• A. Base
• B. Premium
• C. WPlus
• D. Advanced

A customer is transitioning the wireless network from a legacy Cisco AirOS-based WLC to a new Cisco IOS XE-based WLC that includes next generation APs. During the transition, the two systems must coexist while the APs are being migrated. The customer requires that users connected to either system maintain their IP address and security posture when roaming between APs on the same controller and different controllers. Which design approach must the engineer take for the legacy and next-generation WLCs?

• A. Use high availability in an Active/Active state cluster pair between the two WLCs
• B. Use a mobility tunnel that supports control channel encryption between the two WLCs
• C. Use a mobility tunnel that supports data channel encryption between the two WLCs
• D. Use high availability in an Active/Active N+1 state cluster pair between the two WLCs

An engineer is upgrading the legacy APs to 802.11ac Wave 2 capable APs. The existing gigabit uplinked switches provide 802.3at. Which switch limitation is a concern?

• A. interface throughput
• B. high availability
• C. collision domains
• D. output power

An engineer is implementing a wireless design for a service provider. The design includes a Catalyst 9800, a stack of two Catalyst 9300X-48HX switches, and 9166 APs. Each AP must be named using the Floor-439412509-01X sting where X is the area number. The engineer wants to connect the APs to the switch stack using POE. How many APs must the engineer connect to the stack so the APs run using full functionalities?

• A. all ports on switch 2 of the stack
• B. all ports on switch 1 of the stack
• C. all ports of the switches
• D. half ports per switch

An engineer has been tasked with optimizing roaming for all the wireless networks used by shops located in a shopping center. A unique WLAN is assigned to each individual shop named ret470632970B55XX, where the last two digits indicate the shop’s location. The wireless network consists of 9800 controllers and Cisco 9100 APs. What should the engineer configure on the controllers to optimize roaming?

• A. assign access rules based on location
• B. disable the 802.11a/b network
• C. enable AES encryption
• D. create an interface per shop