Question 1

Refer to the exhibit. Which two items must be supported on the VoWLAN phones to take full advantage of this WLAN configuration? (Choose two.)

Accepted Answer

A)  TSPEC 
B)  SIFS 
C)  802.11e 
D)  WMM 
E)  APSD

Question 2

An engineer is conducting a location readiness test and wants a selected point to be considered location-ready. Which three possible configurations reflect the minimum number of APs needed? (Choose three.)

Accepted Answer

A)  One AP is resident in each quadrant surrounding the point-in-question. 
B)  One AP per 1400 sq. ft. on the map. 
C)  Two APs are resident in each quadrant surrounding the point-in-question. 
D)  Four APs are deployed on the floor. 
E)  Three APs are within 70 feet (21 meters) of the point-in-question.
F) Three APs are deployed on the floor.

Question 3

An engineer needs to configure an autonomous AP for 802.1x authentication. To achieve the highest security an authentication server is used for user authentication. During testing, the AP fails to pass the user authentication request to the authentication server. Which two details need to be configured on the AP to allow communication between the server and the AP? (Choose two.)

Accepted Answer

A)  username and password 
B)  PAC encryption key 
C)  RADIUS IP address 
D)  shared secret 
E)  group name

Question 4

A customer reports that wireless clients are not able to receive multicast data from known working multicast servers on the wired network. The client is connecting at the highest mandatory wireless rate of 24 Mbps and the wireless controller is configured for multicast-unicast mode. What three actions should the engineer take next to troubleshoot the issue? (Choose three.)

Accepted Answer

A)  verify that the L3 interfaces are configured for pim sparse-dense-mode on the VLAN servicing the wireless access points as well as the wireless controller's management VLAN 
B)  change the wireless controller from Multicast-Unicast mode to Multicast-Multicast mode and assign a multicast address in the 239.X.X.X/8 subnet 
C)  verify that IGMP snooping is disabled on the wireless controller since the access points are handling IGMP messages from the clients 
D)  verify that Global Multicast mode has been enabled 
E)  make sure the highest mandatory rate is set to 54 Mbps so that the multicast traffic has sufficient bandwidth
F) verify Multicast Listener Discovery (ML
D)  v1 snooping has been enabled to keep track of and deliver IPv4 multicast flows

Question 5

An engineer has been hired to implement a way for users to stream video content without having issues on the wireless network. To accomplish this goal, the engineer must set up a reliable way for a Media Stream to work between Cisco FlexConnect APs. Which feature must be enabled to guarantee delivery?

Accepted Answer

A)  Unicast Direct 
B)  IGMP Direct 
C)  Multicast Direct 
D)  Multicast-to-Unicast Direct

Question 6

Which three properties are used for client profiling of wireless clients? (Choose three.)

Accepted Answer

A)  HTTP user agent 
B)  DHCP 
C)  MAC OUI 
D)  hostname 
E)  OS version
F) IP address

Question 7

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?

Accepted Answer

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

Question 8

What is the default IEEE 802.1x AP authentication configuration on a Cisco Catalyst 9800 Series Wireless Controller?

Accepted Answer

A)  EAP-PEAP with 802.1x port authentication 
B)  EAP-TLS with 802.1x port authentication 
C)  EAP-FAST with CAPWAP DTLS + port authentication 
D)  EAP-FAST with CAPWAP DTLS

Question 9

Which devices can be tracked with the Cisco Context Aware Services?

Accepted Answer

A)  wired and wireless devices 
B)  wireless devices 
C)  wired devices 
D)  Cisco certified wireless devices

Question 10

Which statement about the VideoStream/Multicast Direct feature is true?

Accepted Answer

A)  IP multicast traffic is reliable over WLAN by default as defined by the IEEE 802.11 wireless multicast delivery mechanism. 
B)  Each VideoStream client acknowledges receiving a video IP multicast stream. 
C)  It converts the unicast frame to a multicast frame over the air. 
D)  It makes the delivery of the IP multicast stream less reliable over the air, but reliable over Ethernet.

Question 11

A Cisco WLC has been added to the network and Cisco ISE as a network device, but authentication is failing. Which configuration within the network device configuration should be verified?

Accepted Answer

A)  SNMP RO community 
B)  device interface credentials 
C)  device ID 
D)  shared secret

Question 12

A FlexConnect remote office deployment is using five 2702i APs indoors and two 1532i APs outdoors. When a code upgrade is performed and FlexConnect Smart AP Image Upgrade is leveraged, but no FlexConnect Master A? has been configured. How many image transfers between the WLC and APs will occur?

Accepted Answer

A)  7 
B)  1 
C)  5 
D)  2

Question 13

An engineer is implementing profiling for BYOD devices using Cisco ISE. When using a distributed model, which persona must the engineer configure with the profiling service?

Accepted Answer

A)  Device Admin Node 
B)  Primary Admin Node 
C)  Monitor Node 
D)  Policy Services Node

Question 14

An engineer must configure a Cisco WLC to support Cisco Aironet 600 Series OfficeExtend APs. Which two Layer 2 security options are supported in this environment? (Choose two.)

Accepted Answer

A)  Static WEP + 802.1X 
B)  WPA+WPA2 
C)  Static WEP 
D)  CKIP 
E)  802.1X

Question 15

On a branch office deployment, it has been noted that if the FlexConnect AP is in standalone mode and loses connection to the WLC, all clients are disconnected, and the SSID is no longer advertised. Considering that FlexConnect local switching is enabled, which setting is causing this behavior?

Accepted Answer

A)  ISE NAC is enabled 
B)  802.11r Fast Transition is enabled 
C)  Client Exclusion is enabled 
D)  FlexConnect Local Auth is disabled

Question 16

An engineer is following the proper upgrade path to upgrade a Cisco AireOS WLC from version 7.3 to 8.9. Which two ACLs for Cisco CWA must be configured when upgrading from the specified codes? (Choose two.)

Accepted Answer

A)  Permit 0.0.0.0 0.0.0.0 UDP any any 
B)  Permit 0.0.0.0 0.0.0.0 any DNS any 
C)  Permit 0.0.0.0 0.0.0.0 UDP DNS any 
D)  Permit 0.0.0.0 0.0.0.0 UDP any DNS 
E)  Permit any any any

Question 17

A network engineer observes a spike in controller CPU overhead and overall network utilization after multicast is enabled on a controller with 500 APs. Which feature connects the issue?

Accepted Answer

A)  controller IGMP snooping 
B)  multicast AP multicast mode 
C)  broadcast forwarding 
D)  unicast AP multicast mode

Question 18

An organization is supporting remote workers in different locations. In order to provide wireless network connectivity and services, OfficeExtend has been implemented. The wireless connectivity is working, but users report losing connectivity to their local network printers. Which solution must be used to address this issue?

Accepted Answer

A)  OEAP gateway override 
B)  OEAP split tunnel 
C)  WLAN static IP tunneling 
D)  FlexConnect local switching

Question 19

A customer has implemented several WLANs in an auditorium utilizing a newly dedicated WLC and is experiencing excessive channel utilization regardless of occupancy. Which action reduces channel utilization without removing SSIDs?

Accepted Answer

A)  Disable MCS data rates 0 through 11. 
B)  Disable MCS data rates used by 40 MHz channels. 
C)  Disable data rates that use CCK. 
D)  Disable VHT data rates.

Question 20

What is the difference between PIM sparse mode and PIM dense mode?

Accepted Answer

A)  Sparse mode supports only one switch. Dense mode supports multiswitch networks. 
B)  Sparse mode floods. Dense mode uses distribution trees. 
C)  Sparse mode uses distribution trees. Dense mode floods. 
D)  Sparse mode supports multiswitch networks. Dense mode supports only one switch.

Exam 12: Implementing Cisco Enterprise Wireless Networks (300-430 ENWLSI)