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H12-351_V1.0 HCIE-WLAN (Written) V1.0 Questions and Answers

Questions 4

When calculating the number of APs, you can divide the total required bandwidth by the maximum bandwidth of a single AP.

Options:

A.

True

B.

False

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Questions 5

Which of the following Huawei ' s CloudCampus wireless positioning solutions provides the highest positioning accuracy while meeting specified network planning conditions?

Options:

A.

Bluetooth terminal navigation

B.

UWB positioning

C.

Wi-Fi terminal positioning

D.

Bluetooth tag positioning

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Questions 6

As shown in the figure, STA_1 through STA_4 are associated with AP_1, and STA_5 is associated with AP_2. Assuming that the load balancing threshold is 2, the load difference threshold is 25%, and API and AP2 support a maximum of 10 STAs, which of the following statements are true? (Select All that Apply)

Options:

A.

The load percentage of AP_1 is 40%, and that of AP_2 is 10%.

B.

The load balancing mechanism needs to be enabled. Then some STAs are steered from AP_1 to AP__2.

C.

If load balancing is performed, the load percentage of AP_1 changes to 30%.

D.

The minimum load percentage is 10%, which is greater than the load difference threshold. Therefore, load balancing needs to be enabled.

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Questions 7

Which of the following statements about WLAN roaming and signal strength Is false?

Options:

A.

Smart roaming can be enabled on the WAC to help ST As roam and associate with APs with better signals.

B.

Generally, a STA roams when it detects that the signal strength is less than -75 dBm.

C.

STAs can roam between WACs in dual-link HSB mode.

D.

In most cases, the signal strength of a STA should range from -45 dBm to -65 dBm.

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Questions 8

Which of the following may be the reason why no data Is displayed on the telemetry management page of IMaster NCE-CampusInsight? (Select All that Apply)

Options:

A.

The network connecting devices and iMaster NCE-Campuslnsight Is faulty.

B.

Telemetry data reporting is not configured on devices according to the configuration guide.

C.

No license file is imported.

D.

Devices are not added to iMaster NCE-Campuslnsight.

E.

The UTC time of devices is inconsistent with that of iMaster NCE-Campuslnsight.

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Questions 9

In DHCPv6 stateful autoconfiguration, if a DHCPv6 client receives Advertise messages from multiple DHCPv6 servers, the client selects the DHCPv6 server with the highest priority. Then which of the following type of messages does the client send to all DHCPv6 servers?

Options:

A.

Reply

B.

Discover

C.

Solicit

D.

Request

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Questions 10

A standard WLAN project lifecycle includes requirements clarification, HLD, site survey, LLD, network deployment, network optimization, and acceptance test. In the requirements clarification phase, which of the following information needs to be collected in the requirements collection table?

Options:

A.

Switch position, AP installation positions, and power supply mode

B.

Service types

C.

Floor plan of coverage areas

D.

Bandwidth requirements, including the total number of STAs, per-STA bandwidth requirements, and network concurrency rate

E.

Terminal types and quantity

F.

Laws and regulations of the place where the network is located

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Questions 11

Which of the following encapsulation formats are used for EAP termination in 802.1X authentication? (Select All that apply)

Options:

A.

EAP-TLS

B.

EAPoL

C.

EAPoR

D.

EAP

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Questions 12

Which of the following statements are true about directional and omnidirectional antennas?

Options:

A.

Omnidirectional antennas are preferred to directional antennas.

B.

If a long coverage distance is required, omnidirectional antennas are preferred,

C.

Omnidirectional antennas are easier to plan than directional antennas.

D.

Directional antennas are more suitable for signal coverage in a pedestrian street.

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Questions 13

In mesh networking, APs have different roles. Drag the AP roles on the left to the role descriptions on the right.

Options:

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Questions 14

Which of the following statements are true about management frames on a mesh network?

Options:

A.

In on-demand routing mode, when an MP receives a RANN frame and needs to create or update the route to the root node, the MP unicasts a PREP frame to the root node and broadcasts the RANN frame.

B.

In proactive routing mode, the source node broadcasts a PREQ frame to establish a route to the destination node. After an MP receives the PREQ frame, me MP responds with a PREP frame.

C.

After receiving the RANN frame, an MP decrements the TTL of the frame by one, updates the path metric, and broadcasts the RANN frame.

D.

The RANN frame is broadcast by the MPP periodically.

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Questions 15

VXLAN uses a VXLAN Network Identifier (VNI) field similar to a VLAN ID to identify users. The VNI field occupies 28 bits and supports up to 16M VXLAN segments.

Options:

A.

TRUE

B.

FALSE

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Questions 16

Which of the following statements is true about Navi AC networking?

Options:

A.

The local AC and Navi AC must have the same service VLAN, SSID, user isolation mode, and authentication mode in their VAP profiles.

B.

The software versions of the local AC and Navi AC can be different.

C.

Dual-link backup can be deployed between the local AC and Navi AC.

D.

Inter-Navi AC roaming is supported.

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Questions 17

To enable WPA3-incapable ST As to access a WPA3-conflgured network, the WI-FI Alliance defines the WPA3 transition mode in which WPA3 and WPA2 can coexist for a period of time in the future. This mode applies only to WPA3-Enterprise, not to WPA3-Personal.

Options:

A.

True

B.

False

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Questions 18

Arrange the following steps in the correct order for upgrading the leader AP and Fit AP.

Options:

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Questions 19

When planning WLAN outdoor coverage using external 2.4 GHz omnidirectional antennas with 3 dBi gain, what is the recommended coverage radius?

Options:

A.

80-100 m

B.

150-200 m

C.

30-50 m

D.

200-250 m

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Questions 20

After built-in Portal authentication is configured on a Huawei WAC. the Portal authentication page can be displayed but Portal authentication cannot be performed. What are the possible causes?

Options:

A.

The AP version is outdated.

B.

The data forwarding mode is direct forwarding, and the WAC does not allow packets from service VLANs to pass through.

C.

The route configuration is incorrect. As a result, the STA cannot communicate with the built-in Portal server.

D.

The password entered on the STA is incorrect

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Questions 21

Which of the following parameters must have the same settings for the 2.4 GHz and 5 GHz radios of an AP to implement band steering?

Options:

A.

SSID

B.

Security policy

C.

BSSID

D.

VAP

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Questions 22

You can configure the Navi AC function to direct guest traffic to a specified access control point for centralized management, ensuring that employees and guests are isolated from each other. Which of the following statements is false about the Navi AC?

Options:

A.

Dual-link backup is not supported between the local AC and Navi AC.

B.

N+l backup is not supported between the local AC and Navi AC.

C.

A virtual AC formed by two WACs based on the VRRP HSB can act as a local AC.

D.

The connection between the Navi AC and local AC does not occupy license resources on the Navi AC

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Questions 23

Campuslnsight draws the client access journey based an the client access history, and displays the following Information: access AP. frequency band, SSIO, client IP address, roaming information, as well as the time required for association, authentication, and DHCP.

Options:

A.

TRUE

B.

FALSE

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Questions 24

Which of the following advantages does BSS coloring provide in Wi-Fi 6? (Select All that Apply)

Options:

A.

Higher packet rate on the air interface

B.

Enhanced encryption on the air interface

C.

More efficient channel use

D.

Higher concurrency in high-density scenarios

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Questions 25

Which of the following statements are true about DHCPvo packet types?

Options:

A.

A DHCFV6 client sends a Release message to the DHCPv6 server that assigns addresses to the client, indicating that the client will no longer use one or more of the obtained addresses.

B.

The DHCPv6 client sends a Confirm packet to any reachable DHCPv6 server to check whether the obtained IPv6 address is supported by the connected link.

C.

The DHCPv6 server sends an Offer packet to respond to the address allocation request and declare that it can provide DHCFV6 services.

D.

A DHCFM3 client sends a Discover packet to determine the location of a DHCPv6 server.

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Questions 26

Which of the following statements about EAP relay and EAP termination are false? (Select All that apply)

Options:

A.

In EAP termination mode, an access device encapsulates EAP packets sent by an 802. IX client Into RADIUS packets, without processing the data in the EAP packets.

B.

In EAP relay mode, an access device extracts information from EAP packets, encapsulates the information into RADIUS packets, and sends the RADIUS packets to an authentication server.

C.

In EAP termination mode, an access device extracts client authentication information from the EAP packets sent by a client and encapsulates the information using the standard RADIUS protocol. The access device supports only the EAP MD5-Challenge authentication method.

D.

The EAP termination mode simplifies the processing on an access device and supports various authentication methods. However, this mode requires an authentication server to support EAP and have high processing capability.

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Questions 27

Which of the following statements about attack defense is true?

Options:

A.

Defense against flood attacks can be used to defend against Ping of Death attacks.

B.

Attack defense allows APs to analyze the contents and behaviors of incoming packets on ports to determine whether packets have attack characteristics. The APs then take defense measures on the packets that have attack characteristics.

C.

Attack defense can defend against spoofing packet attacks, malformed packet attacks, fragmentation attacks, and flood attacks.

D.

Fragmentation attack defense enables a device to detect packet fragments in real time and discard or rate-limit them to protect the device.

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Questions 28

Which of the following statements are true about why Huawei ' s agile distributed SFN roaming solution can shorten roaming delay and improve user experience?

Options:

A.

STA reassociation is omitted.

B.

Key negotiation is omitted.

C.

Data encryption is omitted.

D.

STA scanning is omitted.

E.

Authentication is omitted.

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Questions 29

Which of the following statements about the access layer design are true when Huawei ' s CloudCampus Solution is applied to small and midsize campus networks? (Select All that Apply)

Options:

A.

In the mini-store scenario, APs and egress devices must be deployed if Wi-Fi coverage is required. APs cannot directly connect to egress links and do not support NAT.

B.

When selecting a switch, ensure that the following condition is met; Number of connected APs x AP power ^ Power provided by the PoE switch. Therefore, select PoE switches with a proper power supply based on the AP model and quantity.

C.

Select appropriate models of access switches based on whether PoE support is required and how many APs need to access the network.

D.

For relatively large networks in midsize shopping malls, supermarkets, and primary/secondary education campuses, it is recommended that stack networking be used at the access layer. If a single device can provide sufficient access capacity for downstream terminals, single-device networking can be used at the access layer. If the upstream devices of access-layer devices are stacked, it is recommended that Eth-Trunks be used to connect to suc

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Questions 30

An IPv6 packet consists of three parts. Which of the following is not one of them?

Options:

A.

IPv6 basic header

B.

Upper-layer protocol data unit

C.

IPv6 extension header

D.

IPv6 reassembly header

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Questions 31

Which of the following statements correctly arranges matching modes used by URL filtering in descending order of priority?

Options:

A.

Exact matching > Prefix matching > Suffix matching > Keyword matching

B.

Exact matching > Suffix matching > Keyword matching > Suffix matching

C.

Exact matching > Suffix matching > Prefix matching > Keyword matching

D.

Exact matching > Keyword matching > Suffix matching > Prefix matching

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Questions 32

Which of the following are typical 802. IX authentication modes? (Select All that apply)

Options:

A.

EAP termination

B.

EAP relay

C.

EAP-TLS

D.

EAP-MD5

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Questions 33

Multicast addresses are Class D addresses, and can be used only as destination addresses but not source addresses of data packets.

Options:

A.

TRUE

B.

FALSE

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Questions 34

What are the disadvantages of using a standalone WAC, instead of the native WAC, to deploy a wireless network?

Options:

A.

More possible failure nodes

B.

Dispersed wired and wireless policy control points

C.

Separated wired and wireless management

D.

Separated authentication for wired and wireless access

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Questions 35

During a project lifecycle, the______ document needs to be output after the high level design be output after the low level design is complete. (Enter the acronyms in capital letters.)

Options:

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Questions 36

Which of the following statements is false about the DHCP option field?

Options:

A.

DHCP option 43 can be used for plug-and-play AP deployment in WLAN scenarios.

B.

The DHCP option field stores control information and parameters allocated to DHCP clients.

C.

Each DHCP packet can carry multiple DHCP option fields.

D.

The DHCP option field must carry fixed content that cannot be modified or defined by vendors.

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Questions 37

In the Huawei CloudCampus Solution, when cloud managed devices register with iMaster NCE-Campus in DHCP option mode, which of the following options is used to obtain the IP address of iMaster NCE-Campus?

Options:

A.

Option 158

B.

Option 43

C.

Option 53

D.

Option 138

E.

Option 148

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Questions 38

In Huawei ' s QoudCampus Solution, deployment through the registration center is as follows: A network device connects to the Internet and then automatically sends a request to the registration center to obtain the IP address/URL and port number of iMaster NCE-Campus. Once the device obtains this information, it automatically registers with (Master NCE-Campus and goes online.

Options:

A.

TRUE

B.

FALSE

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Questions 39

Which of the following items is not involved in the HLD phase?

Options:

A.

Capacity planning

B.

Network design

C.

AP position planning

D.

Deployment planning

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Questions 40

In an HSB scenario, WIDS entries on the active WAC cannot be backed up to the standby WAC. After an active/standby switchover, WIDS entries are lost.

Options:

A.

TRUE

B.

FALSE

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Questions 41

Which of the following statements is false about STA roaming tracks on a Huawei WAC?

Options:

A.

If the values of In Rx/Tx, In RSSI, Out Rx/Tx, and Out RSSI are low, the signal coverage in this area may be abnormal.

B.

If the values of In Rx/Tx, In RSSI, Out Rx/Tx, and Out RSSI are good, the signal coverage in this area is excessively dense.

C.

It is unreasonable that the value of Out RSSI is lower than the signal strength of the next associated AP.

D.

It is reasonable that the value of Out Rx/Tx is lower than the signal strength of the next associated AR

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Questions 42

To ensure network security, WLAN devices comply with the three-layer and three-plane security isolation mechanism of X.805. Data flows at different importance levels face different security threats with varying impacts on users. To avoid mutual impacts between data flows, three security planes are planned on WLAN devices. Which of the following does not belong to Huawei ' s network security architecture model?

Options:

A.

Control plane security

B.

Management plane security

C.

Access plane security

D.

Forwarding plane security

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Questions 43

Match the following common WLAN issues with the correct optimization suggestions.

Options:

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Questions 44

Master NCE-Campuslnsight can comprehensively record and analyze Interference. Which of the following parameters are recorded? (Select All that Apply)

Options:

A.

Recommended channels

B.

Interference fulfillment rate

C.

Interference strength

D.

Number of interference SSIDs

E.

Air interface congestion fulfillment rate

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Questions 45

The tunnel detection function can be used to check the tunnel status, for example, whether the tunnel is reachable. Which of the following mechanisms is used for GRE tunnel detection?

Options:

A.

TTL

B.

FEC

C.

Heartbeat

D.

Keepalive

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Questions 46

As shown in the figure. API and AP2 belong to Group 1, and AP3 belongs to Group2. Apple TV1 and iPad1 access the network through API; iPhone1 accesses the network through AP2; and iPhone2 and Apple TV2 access the network through AP3. To enable a client to accurately discover mDNS service provider devices, you can use mDNS policy control functionality. The customer wants iPad1 and iPhone1 to discover Apple TVI but not Apple TV?, and iPhone2 to discover only Apple TV2. Which of the following mDNS policy control functions can be used to meet this requirement?

Options:

A.

Service provider- and AP location-based control policy

B.

Service type- and AP location-based control policy

C.

Service type- and AP ID-based control policy

D.

Service provider- and AP ID-based control policy

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Questions 47

iMaster NCE-Campuslnsight provides Intelligent radio calibration for high-load APs to increase the frequency bandwidth. This function applies to both 5 GHz and 2.4 GHz frequency bands.

Options:

A.

True

B.

False

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Questions 48

Assume that a large enterprise needs to deploy a WLAN to provide wireless access for both employees and guests. However, guest data may pose security threats on the network. Which of the following networking modes is applicable to this scenario?

Options:

A.

Navi WAC Networking

B.

Leader AP networking

C.

Mesh networking

D.

Fat AP networking

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Exam Code: H12-351_V1.0
Exam Name: HCIE-WLAN (Written) V1.0
Last Update: Aug 16, 2026
Questions: 163
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