300-425 Sample Questions Answers

A customer is deploying an 802.11ac network on a oor to support approximately 300 wireless devices. Which setting must be changed on Cisco Prime Infrastructure Planning Tool to predict the number of APs the customer needs to service the new oor?

Which CLI command does an engineer use to validate that the redundancy peer of a Stateful Switchover pair of controllers is up and connected?

During a meeting to gather the requirements for a new Wi-Fi network design, the customer requests that to connect. Which affect does this have to the wireless network?

An engineer must ensure that the new wireless LAN deployment can support seamless roaming between access points using a standard based on an amendment to the 802.11 protocol. Which protocol must the engineer selects?

Which UDP port numbers are used for exchange mobility packets in an AireOS wireless deployment?

An engineer is using a Cisco AIR-2702i AP to conduct a Layer 1 site Survey, which mode is selected for the AP to discover non-Wi-Fi interference with metageek chanalyzer?

A network engineer needs to create a wireless design to bridge wired IP surveillance cameras in the parking lot through a mesh AP. To which operate mode of the AP should the cameras connect?

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?

When a wireless network is designed for location services, how many APs must be heard by each location-ready AP at a signal level of -75 dBm or better?

A wireless engineer is hired to design a network for a technology company. The company campus has four buildings and a warehouse with access points that provide full wireless coverage as well as a pair of WLCs located in the core of the network. Which type of wireless architecture is being used?

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?

An engineer must repurpose a lab WLC appliance for use in the production environment of the enterprise. After the new WLC is configured with the information of the other WLC, the mobility tunnels are still not coming up. What is the reason?

An engineer is designing a mesh wireless network. The network must full these requirements:

• bridge mode APs must be used

• WPA2-PSK

• minimize wireless traffic tunneled to the WLC

Refer to the exhibit.

An engineer is about to establish a mobility peer connection between a Cisco Catalyst 9800-CL version 16.10.1e and Cisco AireOS 5520 version 8.8.120.0. The data path between the 9800-CL and AireOS 5520 is down, but its control path is up. Based on the configuration, what is the cause of the issue?

An engineer is designing a new wireless network. Based on the design, O®ceExtend AP functionality must be used. Which type of license must the Cisco 5520 WLC v8.3 have?

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 network administrator of a global organization is collapsing all controllers to a single cluster located in central Europe. Which concern must addressed?

During a wireless network design, a customer requires wireless coverage on the perimeter of a building but also wants to minimize signal leakage from the wireless network. Which antenna should be used to accomplish this design?

An engineer in a branch office that does not have a wired backhaul must ensure that local clients can be switched locally and authenticated centrally. In which mode must the AP be configured?

An engineer must perform an assessment of a customer LAN for a future IEEE 802.11ac Wave 2 wireless deployment All access switches are Fast Ethernet-Capable only, and the wired infrastructure between existing APs and access switches is based on the CAT 6A standard. Which two actions provide maximum support of Cisco 3800 Series access points? (Choose two.)

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?

Which two criteria must be considered when conducting an outdoor bridge site survey? (Choose two.)

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?

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

Refer to the exhibit.

Client A is roaming from AP1 on WLC1 to AP2 on WLC2. The client roams between two APs registered to two different controllers. The WLAN on the two controllers is on a different subnet. Which scenario explains the client's roaming behavior?

Based on a wireless network design, an engineer configured a primary and secondary controller for their APs. A power interruption caused the primary Cisco WLC to go down, and, as expected, all APs joined the secondary controller. When the primary controller came back up, all the

APs remained joined to the secondary controller. Which approach must the engineer take for the APs to move back to the primary?

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?

Which statement about creating a mobility group is true, excluding mobility anchors?

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 technician connects a Cisco Aironet 3700 Series access point to a switch and realizes that the AP is coming up with 3x3 MIMO. Which reason explains this behavior?

Refer to the exhibit.

A customer is deploying a Greenfield 802.11n network with data, voice, and location awareness using APs with the WSSI modules. Which two settings in the Cisco Prime Infrastructure Planning Tool, when selected, provide a more accurate prediction of the number of APs the customer must purchase for the new facility? (Choose two.)

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?

A network consultant is designing a wireless network for a government agency. The customer requires high security between any device

communication. The design includes AireOS, Cisco IOS-XE controllers, and Cisco 4800 Series APs. Which requirement must be met to enhance the mobility group security?

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?

A company is in the process of relocating to a new force space and ends out that the Internet circuit will not be ready before the move. The new building has a non-Cisco WLAN to which they can connect. The engineer has a 12-port switch and one Cisco autonomous AP and must connect multiple wired devices. Which additional device is needed to get all clients connected over the workgroup bridge?

An engineer is performing a predictive wireless design for a medical treatment environment, which requires data and voice services. What is the minimum requirement for the design?

An engineer is designing a point-to-multipoint mesh network. Which two AP configurations must be completed for a site survey? (Choose two.)

Clustering Cisco WLCs into a single RF group enables the RRM algorithms to scale beyond the capabilities of a single Cisco WLC. How many WLC and APs in an RF group can the controller software scale up to in WLC release 8.9 depending on the platform?

Which statement about AP failover priority for access points when configured with priority 1 or 4 is true?

An engineer must install an outdoor wireless network for an area with a direct line of sight. The outdoor APs are in an open area with of harsh weather. Which two parameters must the engineer consider to prevent an outdoor wireless outage? (Choose two.)

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

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?

When conducting a site survey for real-time traffic over wireless, which two design capabilities of smartphones and tablets must be considered? (Choose two.)

An engineer at a global enterprise organization must ensure that a mesh deployment has the highest number of channels available to the backhaul, regardless of region deployed, which design meets this requirement?

An engineer must deploy a wireless network in an open-plan environment that has three SSIDs using the 5 GHz band set to 40 MHz. Co-channel interference must be reduced. Which two actions must be taken? (Choose two.)

A customer has multiple WLCs running N+1 redundancy with APs equally distributed. Only one WLC is a designated backup for all other WLCs so the customer must ensure that the most critical APs remain registered or get priority over other APs in case of a WLC failure. However, the customer notices on WLC failure that some critical APs remain unregistered What needs to be addressed in the design?

A customer Wi-Fi deployment is experiencing the sticky client problem and must enable the optimized roaming feature. The wireless clients have valid security credentials for an SSID and can see an AP that offers that SSID to join. What must be configured to enhance roaming?

An engineer has performed a predictive site survey for high-speed data and voice in an indoor office. What is the recommended data rate with -67 dBm signal level for optimal VoWLAN design?

A customer has restricted the AP and antenna combinations for a design to be limited to one model integrated antenna AP for carpeted spaces and one model external antenna AP with high gain antennas for industrial, maintenance, or storage areas. When moving between a carpeted area to an industrial area, the engineer forgets to change survey devices and surveys several APs. Which strategy will reduce the negative impact of the design?

What is the wireless signal loss of large cases of liquid materials being stored in a warehouse environment?

A network consultant must create a wireless design with these characteristics:

• Provide coverage in a single contiguous space.

• Support dual-band wireless coverage.

• Use nine APs for full coverage in a 5 GHz band.

What must the engineer do to mitigate co-channel interference and maintain coverage in 2.4 GHz?

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 customer requires that two wireless APs be installed in a reception area, in a historic building, the impact of the APs on the appearance of the reception area must be minimized. Which two AP antennas should be used? (Choose two.)

An engineer has configured guest anchoring for a newly created SSD however, the mobility tunnels are not up, and EPING is failing from the foreign WLC to the anchor WLC. Which traffic flow must be allowed at the firewall to enable the communication?

An engineer is setting up the WLC to support a high-density design for a lecture hall. The engineer must modify the existing high-density RF protocol to obtain a smaller cell size. Also, the clients must connect to the nearest AP using the highest possible data rates. Which setting allows this design?