CCIE Enterprise Wireless Roaming and Mobility Design

1. In a Cisco Catalyst 9800 deployment, which feature allows a client to maintain its IP address during roaming?

Layer 2 roaming

Layer 3 roaming

Dynamic DNS

DHCP reservation

2. In enterprise roaming design, what is the optimal ratio of AP coverage overlap for minimizing handoff events?

10-20% overlap

30-40% overlap

50-60% overlap

70-80% overlap

3. Which configuration ensures that clients maintain consistent QoS policies during roaming?

Per-AP QoS settings

Per-SSID QoS policies applied across all controllers

Client-based QoS negotiation

Dynamic QoS adjustment

4. In Cisco wireless roaming design, which metric directly impacts client experience during handoff?

AP density

Packet loss during transition

SSID broadcast rate

Controller CPU utilization

5. What is the primary challenge of implementing seamless roaming across geographically distributed sites?

Increased beacon transmission

Controller synchronization and latency

Reduced AP transmit power

Channel interference

6. In a multi-band roaming scenario, what is the primary benefit of implementing 802.11k with band steering?

Reduces AP coverage overlap

Guides clients to optimal bands before roaming

Increases total network throughput

Eliminates the need for 5GHz APs

7. Which Cisco feature enables predictive client roaming by analyzing signal strength trends?

Roaming Assist

Predictive Roaming

Band Select

Load Balancing

8. In enterprise wireless roaming, which security protocol ensures that re-authentication does not occur on every handoff?

WPA2-PSK

802.1X with key caching

WPA3-Enterprise

Open authentication

9. What is the primary function of the Cisco Mobility Express architecture in roaming scenarios?

Centralized controller management for distributed APs

AP-based management without a central controller

Cloud-based authentication service

Mesh networking between APs

10. Which parameter should be optimized to reduce unnecessary client roaming in a wireless network?

Beacon interval

Transmit power

Channel bandwidth

Encryption cipher

11. Which fast roaming protocol reduces handoff latency by allowing a client to pre-authenticate with a target access point before association?

802.11k (Neighbor Reports)

802.11r (Fast Roaming)

802.11v (Wireless Management)

802.11w (Management Frame Protection)

12. What is the default priority of 802.11k, 802.11r, and 802.11v protocol adoption in enterprise roaming design?

802.11v, 802.11r, 802.11k

802.11r, 802.11k, 802.11v

802.11k, 802.11r, 802.11v

All have equal priority

13. Which roaming metric measures the time required for a client to complete authentication and association?

Handoff latency

Transition delay

Roaming time

Association overhead

14. In Cisco wireless networks, what is the purpose of a mobility group?

To segment wireless clients by department

To enable seamless roaming between controllers

To increase AP transmit power

To encrypt all data traffic

15. What does the 802.11v Wireless Management protocol primarily enable?

Client-initiated roaming recommendations

Pre-authentication with target APs

Neighbor AP list discovery

Encryption of management frames

16. Which of the following is NOT a component of successful wireless roaming design?

Consistent SSID configuration across all APs

Identical security policies on all controllers

Maximum transmit power increase to reduce handoffs

Proper channel planning to minimize interference

17. In a multi-controller environment, which technology allows seamless client mobility across different controllers?

Inter-Controller Roaming (ICR)

Centralized Authentication Protocol

Dynamic Host Configuration

Link Layer Discovery

18. What is the primary advantage of using 802.1X-based Fast Roaming (802.11r) in enterprise wireless networks?

Increases bandwidth capacity

Reduces re-authentication delay during handoff

Eliminates the need for DHCP

Prevents rogue access points

19. Which protocol enables a wireless client to request a list of neighboring access points before roaming?

802.11r

802.11k

802.11u

802.11ac

20. In Cisco Catalyst 9800 controllers, what is the primary function of a mobility anchor?

Authenticate all wireless clients using RADIUS

Maintain client session state and tunnel traffic during roaming

Distribute DHCP addresses across all APs

Encrypt all management traffic between controllers

CCIE Enterprise Wireless Roaming and Mobility Design Quiz