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Free Huawei H12-351 Practice Questions & Answers 2026 Part1 | HCIE-WLAN

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Question #1
In a dual-link backup scenario, the active/standby link switchover mode is set to priority. When the active link recovers, the AP detects that the original active link has a higher priority and triggers a switchback. How many Echo intervals does the AP wait for before switching back to the original primary WAC? In a dual-link backup scenario, when the active link recovers, the AP waits for 15 Echo intervals before switching back to the original primary WAC. This prevents frequent link switchovers caused by unstable links.
A. 20
B. 10
C. 15
D. 5
View answer
Correct Answer: C
Question #2
An AP may preferentially use the BTM mode to steer some STAs. With which of the followingprotocols are such STAs compliant?
A. 02
B. 02
C. 02
D. 02
View answer
Correct Answer: D
Question #3
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?
A. Navi WAC Networking
B. Leader AP networking
C. Mesh networking
D. Fat AP networking
View answer
Correct Answer: A
Question #4
In a VRRP HSB scenario, if the VRRP preemption delay is set to a small value, which of the following problems may occur after a master/backup switchover? (Select All that apply)
A. The batch backup process cannot be started
B. A master/backup switchback is triggered too quickly
C. Backup information is incomplete
D. Service data on the master and backup WACs is lost
View answer
Correct Answer: BC
Question #5
Either of the two APs that have established a mesh connection can send a Mesh Peering Close frame to the other AP to tear down the mesh connection.
A. True
B. False
View answer
Correct Answer: A
Question #6
Either of the two APs that have established a mesh connection can send a Mesh Peering Close frame to the other AP to tear down the mesh connection.
A. True
B. False
View answer
Correct Answer: A
Question #7
Which of the following methods are used in IPsec to ensure secure transmission of service data on the network through encryption and authentication?
A. The receiver verifies the identity of the sender
B. The receiver rejects old or duplicate packets in order to prevent attacks initiated by malicious users who resend sniffed packets,
C. The sender verifies the identity of the receiver
D. Data integrity is verified
View answer
Correct Answer: AD
Question #8
Which of the following methods are used in IPsec to ensure secure transmission of service data on the network through encryption and authentication?
A. The receiver verifies the identity of the sender
B. The receiver rejects old or duplicate packets in order to prevent attacks initiated by malicious users who resend sniffed packets,
C. The sender verifies the identity of the receiver
D. Data integrity is verified
View answer
Correct Answer: AD
Question #9
Either of the two APs that have established a mesh connection can send a Mesh Peering Close frame to the other AP to tear down the mesh connection.
A. True
B. False
View answer
Correct Answer: A
Question #10
Which of the following types of non-Wi-R devices can be identified by Huawei APs? (Select All thatApply)
A. luetooth device
B. igBee device
C. ame controller
D.
View answer
Correct Answer: ABD
Question #11
Which of the following advantages does BSS coloring provide in Wi-Fi 6? (Select All that Apply) BSS coloring is a feature introduced in Wi-Fi 6 that assigns different colors to different BSSs to reduce co-channel interference. BSS coloring provides the following advantages: Higher packet rate on the air interface: BSS coloring reduces collisions between packets from different BSSs on the same channel, improving packet transmission efficiency. More efficient channel use: BSS coloring allows spatial reuse of channels by different BSSs, increasing channel utilization. Higher concurrency in high-density scenarios: BSS coloring reduces interference among neighboring APs and improves network performance in high-density scenarios.
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
View answer
Correct Answer: ACD
Question #12
Huawei Agile Cloud Authentication (HACA) supports only iMaster NCE-Campus as the HACA server.
A. rue
B. alse
View answer
Correct Answer: A
Question #13
To which of the following scenarios is radio calibration applicable? (Choose all that apply.)
A. nterprise office scenario
B. ail transportation scenario
C. igh-density scenario
D. DS or mesh backhaul scenario
View answer
Correct Answer: ABC
Question #14
On a campus network, which of the following problems may occur when you manually create a static VXLAN tunnel? (Select All that Apply)
A. AAlthough the static VXLAN tunnel mode supports the distributed gateway scenario, the configuration involves a heavy workload and is complex to adjust
B. BA static VXLAN tunnel uses related protocols on the control plane, consuming device resources
C. CIf N devices need to establish VXLAN tunnels, you need to manually configure the ingress replication list up to N x (N-l)/2 times
D. DRemote MAC addresses can be learned only through data flooding
View answer
Correct Answer: AC
Question #15
Which of the following statements are true about the WLAN site survey In different typical scenarios? (Select All that Apply) Only: All statements are true about the WLAN site survey in different typical scenarios.
A. In a classroom scenario
B. In an office scenario, the load-bearing columns and partitions affect the signal coverage
C. In a ward-round scenario, high requirements are posed on the coverage field strength, roaming effect, and bandwidth
D. In a stadium scenario, the onsite environment is complex and cabling is difficult
View answer
Correct Answer: ABCD
Question #16
Which of the following methods are used in IPsec to ensure secure transmission of service data on the network through encryption and authentication?
A. The receiver verifies the identity of the sender
B. The receiver rejects old or duplicate packets in order to prevent attacks initiated by malicious users who resend sniffed packets,
C. The sender verifies the identity of the receiver
D. Data integrity is verified
View answer
Correct Answer: AD
Question #17
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?
A. Navi WAC Networking
B. Leader AP networking
C. Mesh networking
D. Fat AP networking
View answer
Correct Answer: A
Question #18
Which of the fallowings is not an IPv6 address type?
A. nycast address
B. ulticast address
C. roadcast address
D. nicast address
View answer
Correct Answer: C
Question #19
In a VRRP HSB scenario, if the VRRP preemption delay is set to a small value, which of the following problems may occur after a master/backup switchover? (Select All that apply)
A. The batch backup process cannot be started
B. A master/backup switchback is triggered too quickly
C. Backup information is incomplete
D. Service data on the master and backup WACs is lost
View answer
Correct Answer: BC
Question #20
Which of the following key factors is used by the CloudCampus cloud management platform to determine the tenant to which a device belongs?
A. evice IP address
B. evice model
C. evice MAC address
D. evice ESN
View answer
Correct Answer: D
Question #21
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?
A. Navi WAC Networking
B. Leader AP networking
C. Mesh networking
D. Fat AP networking
View answer
Correct Answer: A
Question #22
Which of the following advantages does BSS coloring provide in Wi-Fi 6? (Select All that Apply) BSS coloring is a feature introduced in Wi-Fi 6 that assigns different colors to different BSSs to reduce co-channel interference. BSS coloring provides the following advantages: Higher packet rate on the air interface: BSS coloring reduces collisions between packets from different BSSs on the same channel, improving packet transmission efficiency. More efficient channel use: BSS coloring allows spatial reuse of channels by different BSSs, increasing channel utilization. Higher concurrency in high-density scenarios: BSS coloring reduces interference among neighboring APs and improves network performance in high-density scenarios.
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
View answer
Correct Answer: ACD
Question #23
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?
A. Navi WAC Networking
B. Leader AP networking
C. Mesh networking
D. Fat AP networking
View answer
Correct Answer: A
Question #24
Which of the following advantages does BSS coloring provide in Wi-Fi 6? (Select All that Apply)
A. igher packet rate on the air interface
B. nhanced encryption on the air interface
C. ore efficient channel use
D. igher concurrency in high-density scenarios
View answer
Correct Answer: ACD
Question #25
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?
A. Navi WAC Networking
B. Leader AP networking
C. Mesh networking
D. Fat AP networking
View answer
Correct Answer: A
Question #26
Which of the following parameters can be allocated to clients In DHCPv6 stateful autoconflguratlon? (Select All that Apply)
A. IPv6 address
B. PD prefix
C. SNTP server address
D. DNS server address
View answer
Correct Answer: ABD

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