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300-425 Designing Cisco Enterprise Wireless Networks (ENWLSD) Questions and Answers

Questions 4

A customer is looking for a network design with Cisco Hyperloctation using AP4800 for location tracking via a custom mobile app Issues appeared in the past with refresh rates for location updates. What needs to be implemented to meet these requirements?

Options:

A.

Cisco CMX SDK in the location app

B.

redundant CMX and fetch location in round-robin fashion.

C.

device Bluetooth via the app

D.

Cisco FastLocate technology

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Questions 5

How are mobility groups created, excluding mobility anchors?

Options:

A.

The WLGs do not have to be of the same model or type to be a member of a mobility group, however each member should be running different software versions.

B.

A mobility group does not require ell WLCs in the group lo use the same virtual IP address.

C.

Each WLC must use the same mobility domain name and be defined as a peer in each other' s static mobility members list.

D.

If WLCs with HA SSO are deployed, each WLC in the WLC HA pair is considered separately as a mobility peer.

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Questions 6

What is the recommended cell overlap when designing a wireless network for Cisco Hyperlocation?

Options:

A.

20%

B.

30%

C.

40%

D.

50%

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Questions 7

An engineer must optimize client roaming after noticing that clients in the environment are not roaming as expected. Upon reviewing an over- the-air packet capture, the engineer sees that the AP is sending a BSS Transition Management query to the client, which causes it to roam.

The disassociation imminent feature is not enabled on the WLAN. What is the cause of the issue?

Options:

A.

Low RSSI check is enabled.

B.

Fast Transition is disabled.

C.

Band Select is enabled.

D.

Optimized roaming is enabled.

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Questions 8

An engineer must perform an assessment of a customer LAN for a future IEEE 802.11ac Wave 2 wireless deployment All access switches are Fast Ethernet-Capable only, and the wired infrastructure between existing APs and access switches is based on the CAT 6A standard. Which two actions provide maximum support of Cisco 3800 Series access points? (Choose two.)

Options:

A.

Replace the existing switches with mGig switches.

B.

Replace the existing switches with gigabit switches with 10G uplinks.

C.

Ensure that cable distances between access switches and APs are not longer than 100 meters.

D.

Replace the existing wiring infrastructure with the CAT-7E wiring standard,

E.

Ensure that cable distances between access switches and APs are not longer than 55 meters.

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Questions 9

A wireless network consists of:

• two IOS XE controllers installed in a data center

• 9100 series APs

• corporate and a guest WLAN

The customer must high availability pair two Cisco WLCs for the client SSO. Which two design approaches must the engineer take to meet the requirement? (Choose two.)

Options:

A.

The controllers must have the same number of licenses.

B.

Both WLCs must have the same redundancy management IP address.

C.

Both WLCs must have the same service port IP address.

D.

Each WLC must have a unique redundancy management IP address.

E.

The controllers must run the same operating system version.

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Questions 10

An engineer must ensure that the wireless network can accomplish fast secure roaming by way of caching keys on the access points. Which key caching mechanism is enabled by default on a Cisco AireOS WLC?

Options:

A.

SKC

B.

OKC

C.

802.11r

D.

CCKM

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Questions 11

A wireless engineer is designing a wireless network to support real-time applications over wireless. Which IEEE protocol must the engineer enables on the WLC so that the number of packets that are exchanged between an access point and client are reduced and fast roaming occurs?

Options:

A.

802.11w

B.

802.11r

C.

802.11i

D.

802.11k

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Questions 12

A network consultant must create a wireless design with these characteristics:

• Provide coverage in a single contiguous space.

• Support dual-band wireless coverage.

• Use nine APs for full coverage in a 5 GHz band.

What must the engineer do to mitigate co-channel interference and maintain coverage in 2.4 GHz?

Options:

A.

Adjust the TPC neighbor threshold value to -64 dBm on the 2.4 GHz band.

B.

Configure static channel and power settings of the 2.4 GHz radios.

C.

Disable 2.4 GHz radios on selective APs.

D.

Deactivate low data rates on the 2.4 GHz band.

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Questions 13

How does AP failover priority for access points function when configured with priority 1 or 4?

Options:

A.

When configured with priority 1, the access point is assigned with the highest priority level and it is marked as critical. This access point fails over before other access points with the lower priority when there is primary controller failure.

B.

When configured with priority 4, the access point is assigned with the highest priority level and it is marked as critical. This access point fails over before other access points with the lower priority when there is primary controller failure.

C.

When configured with priority 4, the access point is assigned with the lowest priority level and it is marked as low. This access point fails over after other access points with the higher priority when there is primary controller failure.

D.

When configured with priority 1, the access point is assigned with the medium priority level and it is marked as medium. This access point fails over after other access points with the higher priority when there is primary controller failure.

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Questions 14

An engineer is designing an outdoor mesh network to cover several sports fields. The core of the network is located in a building at the entrance of a sports complex. Which type of antenna should be used with the RAP for backhaul connectivity?

Options:

A.

5 GHz. 8-dBi omnidirectional antenna

B.

2.4 GHz. 8-dBi patch antenna

C.

2.4 GHz. 14-dBi omnidirectional antenna

D.

5 GHz. 14-DBi patch antenna

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Questions 15

An engineer is designing a new wireless network. The network needs to meet these requirements:

300-425 Question 15

Which design approach should be taken?

Options:

A.

5 GHz frequency band with channel bonding, to support 40 MHz channels

B.

5 GHz frequency band without channel bonding, to support 20 MHz channels

C.

5 GHz frequency band with channel bonding, to support 80 MHz channels.

D.

2.4 GHz frequency band without channel bonding, to support 20 MHz channels

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Questions 16

A company is in the process of relocating to a new force space and ends out that the Internet circuit will not be ready before the move. The new building has a non-Cisco WLAN to which they can connect. The engineer has a 12-port switch and one Cisco autonomous AP and must connect multiple wired devices. Which additional device is needed to get all clients connected over the workgroup bridge?

Options:

A.

router

B.

transparent firewall

C.

hub

D.

wireless controller

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Questions 17

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?

Options:

A.

PEAP

B.

FT

C.

PMF

D.

GTK-randomization

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Questions 18

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

Options:

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.

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Questions 19

A network administrator of a global organization is collapsing all controllers to a single cluster located in central Europe. Which concern must addressed?

Options:

A.

Some channels may not be available consistently across the organization.

B.

Different RF policies per office are not available in this configuration.

C.

Syslog must be configured to the time-zone of the NMS platform.

D.

Centralized controllers cannot uniformly authenticate global users.

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Questions 20

An engineer at a global enterprise organization must ensure that a mesh deployment has the highest number of channels available to the backhaul, regardless of region deployed, which design meets this requirement?

Options:

A.

one controller per continent

B.

one controller per country code

C.

redundant controllers in the most restrictive regulatory domain

D.

redundant controllers in the least restrictive regulatory domain

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Questions 21

Which CLI command does an engineer use to validate that the redundancy peer of a Stateful Switchover pair of controllers is up and connected?

Options:

A.

rping

B.

ping

C.

eping

D.

mping

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Questions 22

Refer to the exhibit. An engineer must design a mobility group that has these requirements:

• The mobility group must consist of two WLCs.

• All WLCs must run software version 8.0 or later.

• The WLCs must connect via an IPv4 network.

• Two of the WLCs must be in an SSO high availability pair.

Which two configurations must be included in the design? (Choose two.)

Options:

A.

All the WLCs must be of the same model or type.

B.

Only WLCs in an SSO high availability pair must use the same virtual IP address.

C.

The WLAN SSID must be consistent across all the WLCs.

D.

All the WLCs must run the same software version.

E.

Each WLC must use the same mobility domain name.

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Questions 23

A customer uses a Cisco Catalyst 9800 Series wireless controller to manage all of the APs for a campus network. Secure guest access is required for the guest network. A Cisco 5520 anchor controller is deployed within a DMZ. Which design approach ensures that the mobility tunnel is established successfully between the wireless controller and the anchor controller?

Options:

A.

Run an Inter-Release Controller Mobility compatible software version on the wireless controller.

B.

Enable control plane encryption on the wireless controller.

C.

Disable data link encryption on the anchor controller.

D.

Run an Inter-Release Controller Mobility compatible software version on the anchor controller.

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Questions 24

An engineer in a branch office that does not have a wired backhaul must ensure that local clients can be switched locally and authenticated centrally. In which mode must the AP be configured?

Options:

A.

RAP

B.

Flex+Bridge

C.

MAP

D.

Cisco FlexConnect

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Questions 25

An engineer must ensure that the new wireless LAN deployment can support seamless roaming between access points using a standard based on an amendment to the 802.11 protocol. Which protocol must the engineer selects?

Options:

A.

802.11i

B.

802.11ac

C.

802.11r

D.

802.11e

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Questions 26

A hospital wireless environment was designed with these characteristics:

• RF coverage

• better than -67 dBm in the 5 GHz spectrum

• RRM be used for DCA and TPC in the 2.4 GHz band

• RRM be used for DCA and TPC in the 5 GHz band

After deployment, why do many of the legacy 802.11b/g devices have difficulty maintaining connectivity?

Options:

A.

Excessive co-channel interference in the 2.4 GHz band exists.

B.

Excessive overlapping channels in the 2.4 GHz band exists.

C.

TPC drastically increases Tx power in the 2.4 GHz band.

D.

TPC drastically reduces Tx power in the 2.4 GHz band.

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Questions 27

A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)

Options:

A.

The coverage area must have a noise floor that does not exceed -87 dBm.

B.

The client device must have at least an -67 dBm RSSI.

C.

The rate of retransmitted packets must be 15 percent or below.

D.

The rate of retransmitted packets must be 20 percent or below.

E.

The client device must have at least an -65 dBm RSSI.

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Questions 28

An engineer must perform a Layer 2 survey for a mining facility. Which type of antenna does the engineer use in the mine shaft?

Options:

A.

omnidirectional

B.

patch

C.

internal

D.

dipole

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Questions 29

Which three pieces of equipment are needed to conduct a fully measured wireless survey? (Choose three.)

Options:

A.

PoE battery

B.

spirit level

C.

access point

D.

tall tripod

E.

goggles

F.

ladder

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Questions 30

Refer to the exhibit.

300-425 Question 30

Which two statements about Cisco Prime Infrastructure are true? (Choose two.)

Options:

A.

It presents the recommended number of APs for the selected coverage area based on the selections made.

B.

Planning mode requires a special license in Cisco Prime Infrastructure.

C.

It shows the map editor feature in Cisco Prime Infrastructure.

D.

Controllers must be synchronized with Cisco Prime Infrastructure for planning mode to work.

E.

It shows the planning mode feature in Cisco Prime Infrastructure.

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Questions 31

A customer has restricted the AP and antenna combinations for a design to be limited to one model integrated antenna AP for carpeted spaces and one model external antenna AP with high gain antennas for industrial, maintenance, or storage areas. When moving between a carpeted area to an industrial area, the engineer forgets to change survey devices and surveys several APs. Which strategy will reduce the negative impact of the design?

Options:

A.

Resurvey and adjust the design.

B.

Deploy unsurveyed access points to the design.

C.

Deploy the specified access points per area type.

D.

Increase the Tx power on incorrectly surveyed access points.

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Questions 32

An engineer is implementing a wireless design for a service provider. The design includes a Catalyst 9800, a stack of two Catalyst 9300X-

48HX switches, and 9166 APs. Each AP must be named using the Floor-439412509-01X sting where X is the area number. The engineer wants

to connect the APs to the switch stack using POE. How many APs must the engineer connect to the stack so the APs run using full functionalities?

Options:

A.

all ports on switch 2 of the stack

B.

all ports on switch 1 of the stack

C.

all ports of the switches

D.

half ports per switch

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Questions 33

An engineer must create data-link redundancy for the company’s Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

Options:

A.

Packets are always sent out on the same port they are received on.

B.

All interface traffic passes as long as one port is up.

C.

The same port has multiple untagged dynamics interfaces.

D.

Interface connection to two separate nonstacked switches is available.

E.

Full bandwidth of all links is available.

F.

Ports are grouped into multiple LAGs.

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Questions 34

A Cisco controller-based wireless network must support workgroup bridges. The APs con¬gured as workgroup bridges must support wired and wireless clients. The wireless clients must connect to the spare radio. What is the maximum number of wired client connections supported on a workgroup bridge?

Options:

A.

20

B.

25

C.

30

D.

35

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Questions 35

Drag and drop the characteristics from the left onto the correct functionalities on the right.

300-425 Question 35

Options:

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Questions 36

A company is upgrading its wireless infrastructure and is in a state of transition. Some parts of the company’s building still run on the legacy WLC. The new WLC is not located at the same site as the legacy WLC. The company requires seamless client inter-controller roaming between the new WLC and the legacy WLC, with no disruptions. Both WLCs are separated by firewalls. Which troubleshooting command validates that the mobility control packets between the WLCs can be sent and received?

Options:

A.

mapping mobility_peer IP address

B.

debug mobility handoff enable

C.

debug mobility con¬g enable

D.

mapping mobility_peer_management IP address

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Questions 37

An engineer is performing a predictive wireless design for a medical treatment environment, which requires data and voice services. What is the minimum requirement for the design?

Options:

A.

overlapping -72 dBm coverage from two access points

B.

continuous -67 dBm coverage from one access point

C.

continuous -72 dBm coverage from one access point

D.

overlapping -67 dBm coverage from two access points

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Questions 38

A network engineer is retorting an existing building wired with Category 5e with Cisco Aironet 3800 Series APs and mGig switches. Which cable length allows for 5G operation?

Options:

A.

70 m

B.

120 m

C.

130 m

D.

150 m

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Questions 39

A wireless engineer is utilizing the voice readiness tool in Cisco Prime for a customer that wants to deploy Cisco IP phones. Which dBm range is the network inspected against?

Options:

A.

-78 to -65 dBm

B.

-72 to -67 dBm

C.

-85 to -65 dBm

D.

-85 to -67 dBm

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Questions 40

An engineer designs a new wireless network that uses a Cisco Catalyst 9800 Series wireless controller. The controller must be in a DMZ. The internal network is to be at the main on-premises data center of the customer. In addition, the customer wants to establish an EoIP tunnel to a Cisco 5520 WLC that is in a regional force. How must this requirement be incorporated into the design?

Options:

A.

Use Cisco IOS-XE code that supports encryption of the data plane on the Catalyst 9800 WLC.

B.

Use AirOS code that supports encryption of the control plane on the 5520 WLC.

C.

Use Cisco IOS-XE code that supports encryption of the control plane on the Catalyst 9800 WLC.

D.

Use AirOS code that supports encryption of the data plane on the 5520 WLC.

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Questions 41

A customer called with a requirement that internal clients must be on different subnets depending on the building they are in. All 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?

Options:

A.

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

B.

Create an SSID place it to the desired VLAN under WLANs and configure 802.1x in ISE to assign the correct VLAN based on the SSID from which the client is authenticating

C.

Create FlexConnect groups, place the access points in, and set the correct VLAN to SSID mapping based on 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.

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Questions 42

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?

Options:

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.

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Questions 43

Refer to the exhibit.

300-425 Question 43

An engineer determined that during a recent controller failure, some APs did not failover to their secondary controller based on the network design, which has sufficient licenses for all APs. The controllers are not in a mobility group but have A records for their hostnames in DNS. Which setting needs to be addressed?

Options:

A.

The controllers must be in the same mobility group.

B.

The secondary controller IP address is incorrect.

C.

DNS hostnames are required to be FQDN.

D.

The AP failover priority was not set high enough.

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Questions 44

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?

Options:

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.

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Questions 45

An engineer as performing a Layer 1 passive wireless site survey utilizing a channel analyzer software in the 2.4 GHz spectrum. Which chart indicates the ratio of interference present during the duration of the capture?

A)

300-425 Question 45

B)

300-425 Question 45

C)

300-425 Question 45

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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Questions 46

An engineer is upgrading the legacy APs to 802.11ac Wave 2 capable APs. The existing gigabit uplinked switches provide 802.3at. Which switch limitation is a concern?

Options:

A.

interface throughput

B.

high availability

C.

collision domains

D.

output power

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Questions 47

A network engineer must design a new wireless solution for a company, but the budget can only stretch to include a single Cisco 9800-40

WLC. The company requires high availability between the WLC and the core switch in the event of a cable failure. The WLC must dynamically manage port redundancy and perform load balancing between APs transparently. Which design approach must the engineer take to meet the requirements?

Options:

A.

LAG

B.

Multi-LAG

C.

LACP

D.

PAgP

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Questions 48

A wireless engineer is designing a wireless network for a warehouse using access points with internal antennas. Which two elements have a negative effect on the wireless users? (Choose two.)

Options:

A.

wireless channels

B.

access point height

C.

client authentication

D.

client authorization

E.

absorption

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Questions 49

A university is in the process of designing a wireless network in an auditorium that seats 500 students and supports student laptops. Which design methodology should the university implement in the auditorium?

Options:

A.

roaming design model

B.

voice design model

C.

location design model

D.

high-density design model

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Questions 50

A customer has determined that aesthetics is a primary concern for their upcoming guest deployment. Which design consideration can be leveraged to address this concern?

Options:

A.

Paint the access point to cover the LED from being noticeable.

B.

Use enclosures to hide the wireless infrastructure in the surrounding environment.

C.

Use AIR-AP-BRACKET-1 to allow for greater mounting locations

D.

Deploy environmentally friendly cabling components to blend into the environment.

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Questions 51

A wireless engineer is getting ready to perform a predictive site survey. The new network needs to support data and voice over wireless. Which two Cisco recommendations should be considered for the design? (Choose two.)

Options:

A.

Set -19 dBm of separation between APs on the same channel.

B.

Use the 5 GHz radio band due to 40 MHz bandwidth capability.

C.

Use the 5 GHz radio band due to the 24 non-overlapping channels.

D.

Set the cell boundary to -67 dBm.

E.

Set the cell overlap to 15%

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Questions 52

An AP is receiving 802.11 packets on its 802.11a radio with an RSSI value of -77 dBm. The current AP is part of an AP group that has been assigned an RF profile with RX-SOP set to Medium for 802.11a. Which action does the AP take with the packets?

Options:

A.

All frames are classified as non-Wi-Fi frames and are not decoded by the 5 GHz radio.

B.

Frames are decoded by the 2.4 GHz radio.

C.

All frames are classified as non-Wi-Fi frames and are not decoded by the 2.4 GHz radio.

D.

Frames are decoded by the 5 GHz radio.

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Questions 53

A company wants to replace its existing PBX system with a new VoIP System that will include wireless IP phones. The CIO has concerns about whether the company’s existing wireless network can support the new system. Which tool in Cisco Prime can help ensure that the current network will support the new phone system?

Options:

A.

Location Readiness

B.

Site Calibration

C.

Map Editor

D.

Voice Readiness

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Questions 54

A customer has noticed that Client Band Select is enabled and no clients are utilizing the 5 GHz band. Which three parameters must be met to ensure that wireless clients use the 5 GHz band? (Choose three.)

Options:

A.

Ensure that channel bonding is enabled on the WLAN.

B.

Ensure that the co-channel interference has not exceeded -85 dBm.

C.

Ensure that the UNII-2 extended channels are enabled on the 802.11a radios.

D.

Ensure that the client is receiving RSSI above the minimum band select RSSIthreshold.

E.

Ensure that the client is dual-band capable.

F.

Ensure that the WLAN has 802.11a enabled.

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Questions 55

An engineer is designing a high-density WLAN for a 10,000-seat auditorium. The solution must take advantage of human attenuation, as well as the aesthetics of the room. Where must the APs be placed?

Options:

A.

on the walls

B.

under the seats

C.

on the ceiling

D.

above the seating areas

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Questions 56

300-425 Question 56

Refer to the exhibit. During a post Mesh deployment survey, an engineer notices that frame collisions occur when MAP-1 and MAP-3 talk to RAP-2 Which type of issue does the engineer need to address in the design?

Options:

A.

co-channel interference

B.

backhaul latency

C.

hidden node

D.

exposed node

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Questions 57

During a wireless network design, a customer requires wireless coverage on the perimeter of a building but also wants to minimize signal leakage from the wireless network. Which antenna should be used to accomplish this design?

Options:

A.

Patch

B.

Dipole

C.

Monopole

D.

Omnidirectional

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Questions 58

A customer uses a Cisco 5520 WLC that is connected via a single 10-GB interface to manage the wireless network. The wireless network

includes 500 APs for the campus network. The customer wants to add 300 APs and is concerned about traffic load and lack of redundancy. The purchase of a second controller is not an option. Which design approach mitigates the customer concerns?

Options:

A.

Connect a second 10-GB interface on the WLC and set the port as a secondary port.

B.

Connect a second 10-GB interface on the WLC and implement LAG.

C.

Implement a vWLC and configure SSO with the WLC.

D.

Implement a vWLC and configure N+1 redundancy with the WLC.

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Exam Code: 300-425
Exam Name: Designing Cisco Enterprise Wireless Networks (ENWLSD)
Last Update: Jul 20, 2024
Questions: 196

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