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Which two considerations must a network engineer have when planning for voice over wireless roaming? (Choose two.)

A.

Full reauthentication introduces gaps in a voice conversation.

B.

Roaming time increases when using 802.1x + Cisco Centralized Key Management.

C.

Roaming occurs when the phone has seen at least four APs.

D.

Roaming occurs when the phone has reached -80 dBs or below.

E.

Roaming with only 802.1x authentication requires full reauthentication.

In a warehouse deployment, why is a predictive survey often insufficient?

A.

Predictive surveys cannot account for metal racks and variable inventory

B.

Warehouses do not require Wi-Fi coverage

C.

Predictive surveys are more expensive than passive surveys

D.

Warehouses always use only 2.4 GHz Wi-Fi

An engineer must speed up the reauthentication delays that are being experienced on the wireless infrastructure by deploying a key-caching mechanism. Which mechanism must be configured?

A.

PEAP

B.

FT

C.

PMF

D.

GTK-randomization

An engineer is trying to configure the APs installed in a new auditorium to use 40 MHz channels with high data rates and lower TX power. The APs in the building hallway must use lower-density design settings configured for the rest of the building. Which two configurations achieve this design? (Choose two.)

A.

TPC

B.

DCA

C.

AP group

D.

RRM

E.

RF protocol

A consulting engineer is preparing to survey a brownfield deployment for a 6000-sqft building with four floors that have Aps. The entire building is being remodeled and the furniture, office walls, and decoration are being updated. The engineer must perform a survey analysis on the potential RF impact of newer furniture materials. How must the survey be conducted?

A.

Perform a sweep analysis first to predict the signal strength across each point in a floor.

B.

Use a survey tool with the existing AP positions using building floor maps and material configuration.

C.

Measure upstream and downstream data rates based on the remodeling of the building.

D.

Evaluate the neighbor APs strength and density based on the rad* statistics information of each AP.

A customer has two Cisco 550B WLCs that manage all the access points in their network and provide N+1 redundancy and load balancing. The primary Cisco WLC has 60 licenses and the secondary Cisco WLC has 40. The customer wants to convert the N+1 model to an HA model and provide SSO. Configuration must be performed during a maintenance window. After performing all the configurations on both controllers, the config redundancy unit secondary command is issued on the secondary Cisco WLC and it fails. Which parameter needs to be in place to complete the configuration?

A.

A cable in the RP port

B.

The secondary Cisco WLC needs a minimum of 50 base licenses

C.

The primary Cisco WLC is already set as the secondary unit.

D.

SSO needs to be enabled

A customer has a Wi-Fi network that is designed to support video over Wi-Fi. The Wi-Fi network has good coverage; however, video multicast traffic is unreliable. Video multicast traffic is reliable on the wired portion of the network. Which performance value indicates an issue with the Wi-Fi multicast traffic?

A.

jitter

B.

packet error rate

C.

throughput

D.

latency

A customer celled with a requirement that internal clients must be on different subnets depending on the building they are in, AH access points are operating in local mode and will not be modified, and this is a single controller solution. Which design approach creates the desired result?

A.

Create an SSID, place it to the desired VLAN under WLANs, and configure 802 lx in ISE to assign the correct VLAN based on the SSID from which the client is authenticating.

B.

Create FlexConnecI groups, place the access points in. and sat the correct VLAN to SSID mapping based on location.

C.

Create AP groups for each desired location, map the correct VLANs to the internal SSID, and add the access points for that location.

D.

Create mobility anchors for the SSID, and on the controller under the internal SSID. create a foreign map to the desired VLAN based on location.

An engineer must produce a passive survey report. The coverage heat map shows the entire site with all signal levels. To see only the desired coverage, which action must the engineer take?

A.

Change the color scheme to show the desired heat map.

B.

Use the RSSI calibration tool to configure the receiver sensitivity.

C.

Use the RSSI slider to set the heat map to the desired cutoff ¬lter.

D.

Filter the results to show the desired APs only.

What is the minimum recommended RSSI for designing a WLAN to support data applications?

A.

–67 dBm

B.

–70 dBm

C.

–75 dBm

D.

–80 dBm