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Q1. Which statement about when you configure FlexConnect APs and you want to set up Cisco Centralized Key Management fast roaming is true?
A. FlexConnect groups are required for Cisco Centralized Key Management fast roaming to work with FlexConnect access points.
B. APs that are in the same FlexConnect group but associated to different WLCs support Cisco Centralized Key Management.
C. Cisco Centralized Key Management fast roaming among FlexConnect and non-FlexConnect access points is supported.
D. The FlexConnect access point must be in standalone mode to support Cisco Centralized Key Management.
Answer: A
Q2. A network engineer has installed 802.11ac access points with 80 MHz enabled; however, in the conference rooms, co-channel interference is being noticed. Under which tab in the RF profiles configuration can the engineer find the settings to tune the channel width for a group of APs?
A. 802.11
B. RRM
C. High Density
D. General
Answer: B
Q3. By default, how long does a Mobility Services Engine wait for an echo response from a Wireless LAN Controller before declaring the neighbor dead?
A. 10 Seconds
B. 60 Seconds
C. 15 Seconds
D. 30 Seconds
Answer: D
Q4. A client reports that video is not streaming. The administrator determines the client is connecting at a data rate of 12 Mbps and is trying to stream to a valid multicast address on the network. What three items should the administrator check next to troubleshoot the issue? (Choose three)
A. IGMP snooping is turned off because the client cannot request to join a group, only access points can.
B. Video-stream for the multicast video is configured in the controller.
C. WLAN has been set for a QoS value of Platinum.
D. WLAN has been configured to allow multicast-direct to work correctly and multicast-direct has been enabled globally.
E. WLAN has been set for a QoS value of Gold.
F. RTSP is used to stream the video due to wireless multicast not using acknowledgements.
Answer: B,D,E
Q5. A customer requires that an SSID is broadcasted to specific access points that use certain interfaces. Which feature can be used to achieve this goal?
A. mobility groups
B. flex-connect groups
C. interface groups
D. AP groups
Answer: C
Q6. A customer has implemented a N+1 high availability plan in a multistory building. All APs on odd numbered floors are set as primary to WLC-A and all APs on even numbered floors are set as primary to WLC-8. Which two problems are likely to arise from this design? (Choose two)
A. inconsistent CleanAir data due to multiple WLCs
B. floor-to-floor bleed-through that causes intercontroller roaming delays
C. AVC inconsistency due to multiple mobility group members
D. legacy device compatibility with multiple WLC configuration that causes disconnects
E. unpredictable AP loading during a WLC failure
Answer: A,C
Q7. An engineer used an interface group under the SSID configuration, but noticed that a test client is getting an IP assigned in a different VLAN from the DHCP server. Which two options override the interface group configuration on the SSID? (Choose two.)
A. static VLAN on client
B. ACL
C. AP group
D. static IP on client
E. MAC filtering
F. RF group
G. AAA override
Answer: C,G
Q8. A customer has implemented a wireless network that requires tuning for High Density applications utilizing the RX-SOP feature. They are experiencing a high noise floor (average of -65 dBm) and expect that to decrease significantly. A sampling of radios determine that most Access Points have neighbors on the same channel at a power level of -75 dBm. Which value should the customer use to start tuning RX-SOP?
A. -60 dBm
B. -65dBm
C. -70 dBm
D. -75 dBm
E. -80 dBm
Answer: C
Q9. What are two functions of the RAP in a mesh network? (Choose two.)
A. It provides a wired connection for the wireless mesh APs.
B. It adds capacity and resilience to a mesh area.
C. it creates a centralized management location for the mesh network.
D. it reduces the hop count to the wireless network that is connected to the edge.
E. it routes traffic from the wireless mesh to the wired network.
Answer: B,D
Q10. Which show command will show whether a WLAN is locally or centrally switched on a Cisco Wireless Lan Controller?
A. show ap config general Cisco_AP
B. show wlan wlan_id
C. show flexconnect summary
D. show flexconnect group detail
Answer: B
Q11. The customer has deployed C7960 phones with clients connected to them. What switch feature could be enabled to distinguish IP voice traffic from client data traffic?
A. VoiceVLAN
B. QoS routing
C. WME
D. Weighted Queuing
E. QBSS
Answer: A
Q12. A wireless engineer at a convention center has been asked to provision an SSID that can accommodate 4,000 users during a conference. Which interface group configuration should be used?
A. One interface with /20 mask
B. Two interfaces with /21 mask
C. Four interfaces with /22 mask
D. Eight interfaces with /23 mask
Answer: D
Q13. A network engineer is experiencing issues enabling LAG on the WLC. Which four characteristics should be validated to ensure LAG configuration? (Choose four.)
A. All ports participate in the LAG by default when LAG is enabled on the controller, y
B. Dynamic interfaces and management are moved to port 1
C. Primary and secondary ports are needed for each interface.
D. Multiple untagged interfaces to the same port are not allowed.
E. EtherChannel must be configured for mode "on" on the switch.
F. Only one functional physical port is needed to continue to pass traffic.
G. Multiple LAGs are permitted on the controller.
H. The WLC does not need to be rebooted to enable the LAG configuration.
Answer: A,D,E,F
Q14. A network engineer observes a spike in controller CPU overhead and overall network utilization after enabling multicast on a controller with 500 APs. What feature is necessary to correct the issue?
A. controller IGMP snooping
B. unicast AP Multicast Mode
C. broadcast forwarding
D. multicast AP Multicast Mode
Answer: B
Q15. CORRECT TEXT
Scenario
One of your colleagues has setup a test network in the lab to simulate a new building atone of your regional offices. Your team is testing AP failover. Your colleague has requested you to configure the WLCs so that in the event of a loss of one of the WLCsthe other wings APs will fail over to the remaining WLC.
The APs on the East-WLC-2504A should fail over to the West-WLC2-2504A, and the APs on the West-WLC2-2504A should fail over to the East-WLC-2504A.
Set the priority of the APs so the backup controller recognizes the join request from the higher-priority AP and if necessary disassociates a lower-priority AP to provide access to an available port.
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Topology
Answer:
Q16. A customer called into the support center with a problem ticket that involves wireless clients having to reauthenticate when they are walking around their office. After further investigation, it was discovered that the customer has two controllers in an N+1 deployment. Which action must the engineer take to troubleshoot the issue?
A. Verify that the wireless controllers are in the same mobility group and that the access points are all on the primary controller.
B. Under the SSID, make sure that 802.1 Iris configured and running for the clients.
C. Make sure that the SSID has the authentication set to 802.1x with Cisco Centralized Key Management so the data clients can roam seamlessly.
D. Verify the access points are spread out between the primary and secondary controller and that the controllers are in the same mobility group.
Answer: D
Q17. A network engineer is configuring QoS and sees a DSCP value of 40. To which CoS value will this be mapped?
A. 4
B. 3
C. 5
D. 2
E. 1
Answer: C
Q18. A customer is implementing a massively scaled guest wireless network to support approximately 32,000 clients. For ease of administration, they have required implementing multiple interfaces defined on the WLC and mapped to a single interface group. Which configuration meets this need?
A. 264 interfaces of/25 sized networks
B. 132 interfaces of/24 sized networks
C. 66 interfaces of/23 sized networks
D. 33 interfaces of /22 sized networks
Answer: D