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Share some CCIE Wireless 400-351 exam questions and answers below.
You are designing a wireless network for a museum. One of their requirements is to track people inside the museum and push a notification into their tablet device as soon as they step in front of a painting with information about the artist and the painting. This information must be delivered in real time. You are using regular probe request-based tracking and during testing. You notice that although the tablet Is connected to the museum Wi-Fi network, the location is not updating in real time as you move. It can take almost 2 minutes for the location to be updated. Which option is the likely reason for this issue?
A. Cisco MSE does not perform a new location calculation for certain elements if the resulting position is not at least 5 meters different than the previous location.
B. Probe request-based tracking is bound to delay due to the broadcast type of traffic that is not acknowledged over the air and could be lost.
C. CCXv4 S60 is disabled by default. You must enable CCXv4 S60, which is compatible with all Wi-Ficlients. This feature comes out location updates more frequently.
D. Probe request-based tracking is device dependent. The tablet might not send a probe request if it is maintaining a good Wi-Fi signal, which can cause slower location updates.
Answer: C
Refer to the exhibit.
Which option describes what this sequence of commands achievers on a Cisco Autonomus AP?
A. This example shows how to permit SNMP access to all objects with read-only permission to only those three specific IP addresses using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 192.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is not sent with the traps because is the default community value.
B. This example shows how to permit SNMP access to all objects with read-only permission to only those three specific IP addresses using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 192.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is not sent with the traps.
C. This example shows how to permit any SNMP manager to access all objects with read-only permission using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 190.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is not sent with the traps as this is the default community value.
D. This example shows how to permit any SNMP manager to access to all objects with read-only permission using the community string public. The access point also sends config traps to the hosts 192.180.1.111 and 190.180.1.33 using SNMPv1 and to the host 192.180.1.27 using SNMPv2C. The community string public is sent with the traps.
Answer: D
Refer to the exhibit.
You are troubleshooting location accuracy problems on a customer deployment. You have done the wireless design and you are sure that the As are correctly placed on the Cisco Prime map. Everything is correctly synchronized between WLC, PI, and MSE but, you are sometimes getting elements tracked on the wrong floor. After you get this debug output from MSE, which step is next?
A. Reduce the confidence level on MSE when the last heard value is higher than 150 seconds.
B. Run a new calibration model and ensure that it is applied on the floor.
C. Discard RSSI values lower than ¨C 75 dbm.
D. Check it the AP with MAC address 001c 0f 4c 45 60 is physically located on the floor where the element was wrongly located and if the inter-floor attenuation is weak.
Answer: C
You have configured VideoStream on a Cisco WLC and users are now viewing the company video broadcast over the wireless network. How can you verify you have VideoStream configured and working in the Cisco WLC GUI?
A. The Multicast Status shows "Normal Multicast" in the Multicast Group Details.
B. The Multicast Status shows "MediaStream Ongoing" in the Client detail page.
C. The Multicast Status shows "Multicast-direct Allowed" in the Multicast Group Details.
D. The Multicast Status shows "MediaStream Allowed" in the Multicast Group Details.
Answer: C
Which action is needed to edit the settings of an RF profile?
A. Disable both radio networks
B. Disable custom power level settings for all APs within the group to which the profile is linked.
C. Remove the desired RF profile from all AP groups
D. RF profiles cannot be edited. They must be removed and recreated with the desired values.
Answer: C
Which IEEE protocol can help a wireless client device to identify nearby APs that are available as roaming targets?
A. 802.11h
B. 802.11ac
C. 802.11k
D. 802.11n
E. 802.11w
Answer: C
You are the wireless administrator for ACME corporation. You must configure a Cisco Catalyst 3850 Series Switch to work as mobility agent to allow access point association to this switch. Which statement about this scenario is true?
A. Access points must be connected to an access port that has the access VLAN configured to be the same as the service port VLAN on the Catalyst 3850 switch.
Access points must be connected to a trunk port with the native VLAN set to 1 in order to join the WLC on the Catalyst 3850 switch.
B. Access points must be connected to an access port with the access VLAN configured to the same as the wireless management VLAN on the Catalyst 3850 switch.
C. Access points must be connected to an access port that has the access VLAN configured to be the same as the management VLAN for the switch stack.
D. Access points must be connected to an access port with the access VLAN configured to be any VLAN that has a Layer 3 interface (SVI) on the Catalyst 3850 switch.
Answer: C
Which three types of ACLs are supported by the Cisco 5760 WLC? (Choose three.)
A. Port ACLs.
B. VLAN ACLs(VLAN maps).
C. Router port ACLs.
D. AP Radio ACL Switch port ACLs.
E. Router ACLs.
Answer: ABE
There are 5 switches in the network use VTPv3, SW1 and SW2 configured as Server mode. SW1 is the primary server with revision 50. When add a new SW6 with Revision 200, what will happen?
A. Switch3 updates its own database with the VLAN information received from SW2
B. VTPv3 configure own database with the VLAN information received from SW1
C. Switch6 updates its own database with the VLAN information received from SW1
D. No switch will work
Answer: C
In a common loT infrastructure architecture, which technologies apply to the category of a field area network?
A. IP/MPLS
B. Multicast
C. 3G/4G/LTE/Wi-Fi/Ethernet/PLC
D. Embedded systems and sensors
Answer: C
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