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Designing Cisco Enterprise Wireless Networks (ENWLSD) Question and Answers

Designing Cisco Enterprise Wireless Networks (ENWLSD)

Last Update Oct 2, 2025
Total Questions : 256

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Questions 1

A customer Wi-Fi deployment is experiencing the sticky client problem and must enable the optimized roaming feature. The wireless clients have valid security credentials for an SSID and can see an AP that offers that SSID to join. What must be configured to enhance roaming?

Options:

A.  

RSSI threshold

B.  

disable DFS

C.  

disable 802.11k

D.  

enable data rates

Discussion 0
Questions 2

An engineer must install an outdoor wireless network for an area with a direct line of sight. The outdoor APs are in an open area with of harsh weather. Which two parameters must the engineer consider to prevent an outdoor wireless outage? (Choose two.)

Options:

A.  

lightning arrestor installation

B.  

antenna cable grounding

C.  

cable strength

D.  

cable length

E.  

elimination of trees

Discussion 0
Questions 3

An engineer configured the optimized client roaming on Cisco WLC with an RSSI threshold of 72dBm. Clients report frequent disconnections. What must be configured for the AP to guide the client to a better AP?

Options:

A.  

Enable BSS transition at the radio level and optimized roaming on the SSID.

B.  

Disable coverage hole detection on the SSID and enable BSS transition on the SSID.

C.  

Disable optimized roaming and enable 802.11v support on the SSID.

D.  

Enable BSS transition on the SSID and optimized roaming at the radio level.

Discussion 0
Questions 4

A wireless engineer must design mobility between two buildings at a campus site. The engineer has one controller at each site. The engineer is investigating inter-controller CAPWAP data and control traffic. Which two ports must be open? (Choose two.)

Options:

A.  

5246

B.  

5247

C.  

8443

D.  

16666

E.  

16667

Discussion 0
Questions 5

During a client roaming event, which device is responsible for communicating the new Layer 2 EID mapping of a wireless supplicant to the fabric domain?

Options:

A.  

WLC

B.  

BN

C.  

CP2

D.  

CP1

Discussion 0
Questions 6

An engineer must perform a predictive design for a wireless network for location readiness and to mitigate interference. Which power level does the engineer use?

Options:

A.  

10 mw

B.  

18 mw

C.  

20 mw

D.  

50 mw

Discussion 0
Questions 7

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.

Discussion 0
Questions 8

A new wireless network design has these requirements:

• AireOS WLCs as guest anchors

• a Cisco Catalyst 9800 Series WLC as the foreign controller

• use of Wi-Fi 6 APs

• inter-controller roaming for guest users

Which two design approaches meet these requirements? (Choose two.)

Options:

A.  

Use EoIP for communication between controllers.

B.  

Use WLC software versions that support IRCM.

C.  

Use AVC on the anchor WLCs.

D.  

Use IPv6 across the wireless network.

E.  

Use secure mobility to pair controllers.

Discussion 0
Questions 9

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.

Discussion 0
Questions 10

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.

Discussion 0
Questions 11

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

Discussion 0
Questions 12

A high-density wireless network is designed. Which Cisco WLC configuration setting must be incorporated in the design to encourage clients to use the 5 GHz spectrum?

Options:

A.  

Band Select

B.  

RRM

C.  

Cisco Centralized Key Management

D.  

load balancing

Discussion 0
Questions 13

An enterprise is using two wireless controllers to support the wireless network. The data centre is located in the head office Each controller has a corporate WLAN configured with the nameCopr-NET390595865WLC-1 and Copr-NET6837l638WLC-2. The APs are installed using a round-robin approach to load balance the traffic. What should be changed on the configuration to optimize roaming?

Options:

A.  

Move all access points to one controller and use the other as N+1 H

A.  

B.  

Use the same WLAN name for the corporate network on both controllers.

C.  

Use the same WLAN name for the corporate network on both controllers.

D.  

Place the access points per floor on the same controller.

Discussion 0
Questions 14

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)

B)

C)

Options:

A.  

Option A

B.  

Option B

C.  

Option C

D.  

Option D

Discussion 0
Questions 15

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

Discussion 0
Questions 16

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.

Discussion 0
Questions 17

An engineer must perform a pre-deployment site survey for a new building in a high-security area. The design must provide a primary signal RSSI of -65 dBm for the clients. Which two requirements complete This design? (Choose two)

Options:

A.  

Site access

B.  

AP model

C.  

WLC model

D.  

HAVC access

E.  

Number of clients

Discussion 0
Questions 18

A customer asks an engineer to explain the concept of mobility domains and mobility groups. Which statement does the engineer respond with?

Options:

A.  

A mobility group does not constrain the distribution of security context of a client and also does not constrain AP fail-over between controllers when the WLC are in the same mobility domain.

B.  

If WLCs are in the same mobility domain, they communicate with each other but, if an anchor WLC is present it must be in the same mobility domain for communication to be possible.

C.  

If WLCs are in the same mobility domain, they communicate with each other. Mobility groups constrain the distribution of security context of a client and also constrain AP fail-over between controllers.

D.  

WLCs do not need to be in the same mobility domain to communicate with each other. Mobility groups constrain the distribution of security context of a client and also constrain AP fail-over between controllers.

Discussion 0
Questions 19

An engineer is designing a wireless network to support high availability. The network will need to support the total number of APs and client SSO. Live services should continue to work without interruption during the failover Which two requirements need to be incorporated into the design to meet these needs? (Choose two.)

Options:

A.  

redundant WLC

B.  

controller high availability pair with one of the WLCs having a valid AP count license

C.  

10 sec RTT

D.  

back-to-back direct connection between WLCs

E.  

WLC 7.5 code or more recent

Discussion 0
Questions 20

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

Discussion 0
Questions 21

Where must the APs be mounted when used in a high-density wireless network to provide 6 dB to 20 dB of attenuation to a cell?

Options:

A.  

in the aisle

B.  

under the seat

C.  

above the stage

D.  

under the stage

Discussion 0
Questions 22

An engineer is designing a new wireless network. The network needs to fulfill the following requirements: ✑ support multimedia applications

✑ support a high concentration of wireless clients

✑ support data over wireless

✑ support roaming

Which approach should be used?

Options:

A.  

use of micro cells with reduced power levels

B.  

use of macro cells with reduced power levels

C.  

coverage for cells at maximum power levels

D.  

use of macro cells with maximum power levels

Discussion 0
Questions 23

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

Options:

Discussion 0
Questions 24

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.

Discussion 0
Questions 25

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.

Discussion 0
Questions 26

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

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

Discussion 0
Questions 27

An engineer must decide the cell overlap for a wireless voice deployment. Which Cisco measurement recommendation should be considered?

Options:

A.  

The edge of the cell should be -67 dBm.

B.  

The edge of the cell should be below 35 RSSI.

C.  

The measurement should be done on the 2.4-GHz band.

D.  

One AP should be deployed per 3000 square feet.

Discussion 0
Questions 28

A wireless network consultant must assess an existing wireless LAN controller. Which section must the consultant check before replacing the old APs with APs that are IEEE 802.11ac-capable?

Options:

A.  

number of AP licenses

B.  

controller PSU

C.  

throughput capacity

D.  

software version

Discussion 0
Questions 29

An engineer is performing an AP-on-a-stick survey and ¬nds that the 5 GHz channel overlap is too high when an appropriate number of APs are used for the density requirements. Which two actions during the survey reduce channel overlap? (Choose two.)

Options:

A.  

Raise the minimum data rate to 24 Mbps.

B.  

Increase AP transmit power to improve the SNR.

C.  

Allow the use of UNII-2e channels.

D.  

Use directional antennas to limit the coverage area of some APs.

E.  

Enable power saving mode.

Discussion 0
Questions 30

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

Discussion 0
Questions 31

A 60,000-square-foot outdoor area must be surveyed. The survey must be completed in the least amount of time. Which tool or equipment is used when performing the site survey?

Options:

A.  

additional access points that use sniffer mode

B.  

site survey tool that has modules in sniffer mode

C.  

Additional access points that use GPS mode

D.  

site survey tool that has a GPS module

Discussion 0
Questions 32

A network engineer is troubleshooting connectivity issues between two WLCs running 8.x code in SSO mode and finds that the redundancy management heartbeat is failing. Which packet type must be filtered for heartbeats when taking a capture to verify communication?

Options:

A.  

RSTP

B.  

UDP

C.  

TCP

D.  

ICMP

Discussion 0
Questions 33

An engineer has successfully configured high availability and SSO using two Cisco 5508 Wireless LAN Controllers. The engineer can access the Active Primary WLC, but the Secondary Standby WLC is not accessible. Which two methods allow access to the standby unit? (Choose two.)

Options:

A.  

via the console connection

B.  

SSH to the redundancy management interface of the primary WLC

C.  

SSH to the service port interface

D.  

SSH to the virtual interface of the secondary WLC

E.  

SSH to the management interface of the primary WLC

Discussion 0
Questions 34

A network engineer is configuring high availability on an access point. What is the maximum number of controllers that can be configured?

Options:

A.  

1

B.  

2

C.  

3

D.  

4

Discussion 0
Questions 35

When a wireless network is designed for location services, how many APs must be heard by each location-ready AP at a signal level of -75 dBm or better?

Options:

A.  

three APs

B.  

no more than three APs

C.  

two APs

D.  

at least four APs

Discussion 0
Questions 36

A wireless engineer must optimize RF performance for multiple buildings with multiple types of construction and user density. Which two actions must be taken? (Choose two.)

Options:

A.  

Configure Flexconnect groups for each building.

B.  

Configure WMM profiles for each building.

C.  

Configure AP groups for each area type.

D.  

Configure RF profiles for each area type.

E.  

Enable DTPC on the network.

Discussion 0
Questions 37

An engineer needs a wireless design to provide redundancy for APs at remote sites that are connected to Cisco 3504 Wireless LAN

Controllers. The central Cisco 5520 Wireless LAN Controller supports 2000 APs and has 1975 access points associated to it. The engineer decides that not all APs at the remote sites must remain functional in the event of a failure. How does the engineer ensure that the most important access points at the remote sites remain online while not impacting the main site?

Options:

A.  

Enable Global AP Fail over Priority, set the 1975 APs to a priority of "high", and set the 25 most important APs at the remote sites to "critical".

B.  

Enable AP Fallback Mode, set the 1975 APs to a priority of "high", and set the 25 most important APs at the remote sites to "critical". C. Enable Global AP Fail over Priority, leave the 1975 APs at the default priority, and set the most important APs at the remote sites to "low".

C.  

Enable AP Fallback Mode, leave the 1975 APs at the default priority, and set the most important APs at the remote sites to "high".

Discussion 0
Questions 38

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

Discussion 0
Questions 39

A network engineer is working on a predictive WLAN design, the new wireless network must support access to Internet, email, voice, and the inventory database, to successfully support these services, which configuration must the engineer use for the signal strength levels and SNR on the planning tool?

Options:

A.  

signal strength of -67 dBm, 25-dB SNR, and maximum 1 percent packet loss.

B.  

signal strength of -67 dBm, 20-dB SNR, and maximum 5 percent, packet loss.

C.  

signal strength of 67 dBm, 20-dB SNR, and maximum 1 percent packet loss.

D.  

signal strength of-70 dBm,30-dB SNR. and maximum 10 percent packet loss.

Discussion 0
Questions 40

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.

Discussion 0
Questions 41

An engineer is designing a network deployment for a college with six buildings Each building must have a WLC located in the IDF to support the APs. The wireless clients should be able to roam between the APs and the controllers. Which type of wireless architecture should be used?

Options:

A.  

Distributed

B.  

Centralized

C.  

Cloud

D.  

Autonomous

Discussion 0
Questions 42

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

Discussion 0
Questions 43

A customer has a centralized wireless deployment with N+1 high availability and few open authentication SSIDs configured. After fail over, all APs are broadcasting all SSIDs, but the clients are assigned IP addresses from a different subnet. The WLANs on both WLCs are configured with the same dynamic interfaces. Which feature must be incorporated in the wireless design of the second controller?

Options:

A.  

RF Protocol

B.  

AP Groups

C.  

VLAN Select

D.  

AAA Override

Discussion 0
Questions 44

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

Discussion 0
Questions 45

What is the wireless signal loss of large cases of liquid materials being stored in a warehouse environment?

Options:

A.  

It is higher than dry goods.

B.  

It is not impactful to the RF design.

C.  

It is less than dry goods.

D.  

It is impactful but overall negligible to the RF design.

Discussion 0
Questions 46

A network engineer is working on a design for a wireless network that must support data, voice, and location services. To support these services, which access point placement must the engineer use?

Options:

A.  

corner only

B.  

perimeter and corner

C.  

perimeter only

D.  

indoor and outdoor

Discussion 0
Questions 47

A customer has a central Cisco WLC that manages APs in FlexConnect mode. The wireless infrastructure supports multiple small branches. One branch deploys new CCX wireless phones that are authenticated by a central Cisco ISE via PEAP/IMSCHAPv2, and tra®c is switched locally. The customer must reduce the number of full authentication requests and optimize roaming for the new phones. Which action

accomplishes the requirement?

Options:

A.  

Enable CCKM on the voice SSID and add APs to a FlexConnect group.

B.  

Enable Aironet IE on the voice SSID and add APs to an AP group.

C.  

Enable Aironet IE on the voice SSID and add APs to a FlexConnect group.

D.  

Enable CCKM on the voice SSID and add APs to an AP group.

Discussion 0
Questions 48

A customer has multiple WLCs running N+1 redundancy with APs equally distributed. Only one WLC is a designated backup for all other WLCs so the customer must ensure that the most critical APs remain registered or get priority over other APs in case of a WLC failure. However, the customer notices on WLC failure that some critical APs remain unregistered What needs to be addressed in the design?

Options:

A.  

AP fallback is not enabled on the backup WLC.

B.  

AP failover priority is not enabled globally on the backup WLC.

C.  

AP failover priority is not enabled globally on the failed WL

C.  

D.  

AP fallback is not enabled on the failed WLC.

Discussion 0
Questions 49

An engineer is designing a network deployment for a technology company. The company has four buildings with access points that must provide seamless wireless coverage and client roaming. The customer data center must have two WLCs and the core switches for the network. Which type of wireless architecture must be used?

Options:

A.  

cloud

B.  

centralized

C.  

autonomous

D.  

distributed

Discussion 0
Questions 50

Refer to the exhibit.

A WLC SSO pair is set up. Which failure scenario causes a split-brain scenario?

Options:

A.  

RP is down.

B.  

Two distribution ports on the active WLC are down.

C.  

VSL is down.

D.  

One distribution port on the active WLC is down.

Discussion 0
Questions 51

An engineer is working for an enterprise and deployed a Cisco 9800 Series Wireless Controller. The wireless infrastructure serves the employees and guest users across the company. The engineer must configure the controller to alleviate the sticky client issue in the deployment. Which action resolves the issue?

Options:

A.  

Enable CHDM.

B.  

Enable Optimize Roaming.

C.  

Enable 802.11k.

D.  

Enable data RSSI to -90db.

Discussion 0
Questions 52

When conducting a site survey for real-time traffic over wireless, which two design capabilities of smartphones and tablets must be considered? (Choose two.)

Options:

A.  

no support for 802.11ac

B.  

higher data rates than laptops

C.  

fewer antennas than laptops

D.  

no support for 802.11r

E.  

lower data rates than laptops

Discussion 0
Questions 53

A network engineer is preparing for an office site survey with a height of 2.5 meters. Which three components are recommended to complete the survey? (Choose three.)

Options:

A.  

Use a battery pack to power APs

B.  

Use a drawing of the office space to draw AP and client placements.

C.  

Use DoS attack on APs while measuring the throughput.

D.  

Use APs with directional antennas.

E.  

Use APs with external antennas.

F.  

Use APs with built-in antennas.

Discussion 0
Questions 54

The wireless survey report shows APs staggered throughout a facility, with several of them placed on the exterior walls. Other APs are located at building corners and major turns in the structure layout. Assuming that all survey locations are optimized with a minimum of -67 RSSI at

cell edges with 20% overlapping cells, for which purpose is this survey model used?

Options:

A.  

location services, VoIP, data, and video

B.  

streaming video with VoIP, data, and HD resolution

C.  

location-based services, BYOD preparation, and HD video streaming

D.  

voice, data clients, and video on demand

Discussion 0
Questions 55

An engineer performs a Layer 1 survey by using Metegeek chanalyzer only on the current operating channel. Which operating mode is configured for a Cisco CleanAIR AP?

Options:

A.  

Local

B.  

Sniffer

C.  

Monitor

D.  

SE-connect

Discussion 0
Questions 56

Refer to the exhibit.

What is the main reason why the Wi-Fi design engineer took a different approach than installing the APs in the offices, even though that installation provides better coverage?

Options:

A.  

aesthetics

B.  

transmit power considerations

C.  

antenna gain

D.  

power supply considerations

Discussion 0
Questions 57

An engineer is configuring a centralized set of controllers for separate facilities. Which two Cisco wireless architectures must be used to ensure flexible sizing of WLAN to VLAN mappings? (Choose two.)

Options:

A.  

interface group

B.  

mobility group

C.  

AP group

D.  

controller group

E.  

RF group

Discussion 0
Questions 58

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.

Discussion 0