Designing Cisco Wireless Networks (WLSD) v1.0

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Exam contains 58 questions

A university wants to deploy a high density of APs in an area where a high number of users congregate.
Which functionality allows the university to optimize the RF settings for APs that operate in different environments or coverage zones?

  • A. RF profiles
  • B. AP profiles
  • C. RF groups
  • D. AP groups


Answer : A

A Cisco controller-based wireless network must support workgroup bridges. The APs configured as workgroup bridges must support wired and wireless clients. The wireless clients must connect to the spare radio.
What is the maximum number of wired client connections supported on a workgroup bridge?

  • A. 20
  • B. 25
  • C. 30
  • D. 35


Answer : A

A customer has two locations named building 1 and building 2. Each location has a Cisco wireless network with these components:

Building 1 -
2 Cisco Catalyst 9800 Series Wireless Controllers in a high availability cluster
50 Cisco Catalyst 9100 APs

Contractor SSID in VLAN 100 -

Corporate SSID in VLAN 200 -
mobility group configured to the building 2 WLCs

Building 2 -
2 Cisco Catalyst 9800 Series Wireless Controllers in a high availability cluster
20 Cisco Catalyst 9100 APs

Contractor SSID in VLAN 300 -

Corporate SSID in VLAN 400 -
mobility group configured to the building 1 WLCs
The customer has a new security requirement mandating that all contractor SSID traffic must terminate on VLAN 100 on the building 1 WLCs for all locations.
Which design approach must the engineer take?

  • A. Use the building 2 WLCs as foreign controllers and building 1 as anchor controllers for the contractor SSID traffic.
  • B. Use the building 2 WLCs as anchor controllers and building 1 as foreign controllers for the contractor SSID traffic.
  • C. Use the WLCs at both buildings as foreign controllers and tunnel the contractor SSID traffic to building 1.
  • D. Use the WLCs at both buildings as anchor controllers and tunnel the contractor SSID traffic to building 1.


Answer : A

A wireless engineer is designing a wireless network to support real-time applications over wireless.
Which IEEE protocol must the engineer enable on the WLC so that the number of packets that are exchanged between an access point and client are reduced and fast roaming occurs?

  • A. 802.11r
  • B. 802.11w
  • C. 802.11i
  • D. 802.11k


Answer : A

A customer is migrating from a legacy Cisco AireOS WLC to a new Cisco 9800 IOS XE WLC with Cisco 9100 APs. The new APs must associate to the Catalyst 9800 WLC, and wireless clients must seamlessly roam between the old and new WLCs even during SSO. The new Catalyst 9800 WLC deployment is configured to use SSO.
Which command must be added to meet the requirements?

  • A. C9800# chassis redundancy ha-interface local-ip <local IP> <local IP subnet> remoteip <remote IP>
  • B. C9800 (config) # management gateway-failover enable
  • C. C9800 (config) # ip default-gateway <IP>
  • D. C9800# wireless mobility mac-address <MAC>


Answer : D

Refer to the exhibit.

An enterprise has offices spread around the globe. The APs are connected to different controllers installed in separate data centers. The IT team wants to allow clients to roam from controllers in group ABC to controllers in group XYZ.
Which feature must be incorporated in the design to accomplish this task?

  • A. workgroup bridge
  • B. switch peer group
  • C. mDNS gateway
  • D. mobility peers


Answer : D

An engineer must design mobility based on these requirements:
Include two wireless controllers.
Provide seamless roaming between APs and controllers.
Avoid application disconnection.
After configuration, the control and data tunnels have come up. However, users report issues with roaming, and SSH sessions drop when moving.
What must be included in the design to avoid these issues?

  • A. Configure the same virtual interface IP address on controllers.
  • B. Use the same controller types and models.
  • C. Use the same software versions on the controllers.
  • D. Configure the controller with the same country codes.


Answer : A

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?

  • A. A firewall is blocking UDP port 16667 between the WLCs.
  • B. The hardware platform is incompatible.
  • C. The WLC management interfaces are in the same VLAN.
  • D. The mobility peers are identical.


Answer : A

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?

  • A. disable DFS
  • B. enable data rates
  • C. disable 802.11k
  • D. RSSI threshold


Answer : D

A customer is running a guest WLAN with a foreign/export-anchor setup. There is one anchor WLC in the US and two in Europe. Anchor WLC priorities are used to prefer local anchors. During a routine network audit, it is discovered that a large number of guest client sessions in the US are anchored to the WLCs in Europe.
Which reason explains this behavior?

  • A. The foreign WLC failed and recovered.
  • B. The US anchor WLC failed and recovered.
  • C. The US anchor WLC is anchored to itself with a priority value of zero.
  • D. The anchor WLC is in the same mobility group.


Answer : B

In a FlexConnect deployment, which role does the site tag play?

  • A. It assigns IP addresses to wireless clients for the site APs.
  • B. It manages the firewall policies for the site APs.
  • C. It configures the switch port settings for FlexConnect APs.
  • D. It defines the roaming domain for FlexConnect APs.


Answer : D

A hotel chain implemented a wireless network across its multistory properties using Cisco Catalyst 9800-80 WLCs and Catalyst 9130AX APs. The network operates a single SSID, GuestWiFi, secured with WPA3-Personal. Guests frequently roam between their rooms and common areas, often spanning different floors. The IT team identified two key issues affecting the roaming experience for non-802.11k clients:
Guest devices often connect to APs on different floors instead of stronger APs on the same floor, which leads to weaker signal strength, slower internet speeds, and increased roaming events.
Many guests experience delays in network connectivity because their devices are denied association multiple times before successfully connecting.
The network engineer recently deployed an assisted-roaming feature with the configuration: wireless assisted-roaming floor-bias 10 wireless assisted-roaming denial-maximum 3
To optimize the roaming experience for non-802.11k clients by improving AP selection and reducing connection delays, how should the network administrator adjust the floor bias and denial-maximum count?

  • A. wireless assisted-roaming floor-bias 15 and wireless assisted-roaming denial-maximum 5
  • B. wireless assisted-roaming floor-bias 5 and wireless assisted-roaming denial-maximum 2
  • C. wireless assisted-roaming floor-bias 10 and wireless assisted-roaming denial-maximum 4
  • D. wireless assisted-roaming floor-bias 20 and wireless assisted-roaming denial-maximum 3


Answer : D

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 they are automatically connected. This sticky client behavior is causing roaming issues.
Which feature must the engineer configure?

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


Answer : D

A university has a Cisco wireless network. The network experiences issues when clients remain connected to a specific AP when they move to a nearby room that has its own AP.
Which advanced wireless feature must be configured to disassociate the clients when their RSSI falls below a certain threshold?

  • A. fast SSID changing
  • B. prediction-based roaming
  • C. optimized roaming
  • D. band select


Answer : C

A wireless deployment in a high-density environment is being used by vendors to process credit card payment transactions via handheld mobile scanners. The scanners are having problems roaming between access points in the environment.
Which feature on the wireless controller should have been incorporated in the design?

  • A. 802.11w
  • B. RX-SOP
  • C. Application Visibility Control
  • D. AP Heartbeat Timeout


Answer : B

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Exam contains 58 questions

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