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Huawei Certification
H12-841_V1.5 Exam
Huawei.H12-841_V1.5.v2026-07-27.q136 Dumps

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Question 116

In troubleshooting MPLS VPN networks, which command should be used to "view the establishment status of MPLS LDP neighbors on the PE device"?

A.display mpls lsp
B.display bgp vpnv4 peer
C.Display OSPF peer
D.display mpls ldp peer

Correct Answer: D

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Question 117

In the WAN BGP protocol, if "route reflectors are configured between IBGP neighbors, but no clients are configured for the reflectors", which of the following problems will this cause?

A.IBGP neighbor relationships cannot be established.
B.The route reflector automatically treats all neighbors as clients, reflecting routes normally.
C.The route reflector cannot receive routes from the client's neighbors.
D.The route reflector cannot pass reflected routes to non-client neighbors.

Correct Answer: D

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Question 118

(iMaster NCE-Campus provides independent working interfaces on different planes: management plane and service plane. You can log in to each plane through a specific IP address and port number. The port number of the service plane is _____.)

A.18008
B.18009
C.10020
D.443

Correct Answer: B

iMaster NCE-Campus adopts amulti-plane architectureto improve system security, scalability, and operational stability. The planes are logically isolated so that different types of traffic and functions do not interfere with each other. The two most commonly referenced planes are themanagement planeand theservice plane.
Themanagement planeis mainly responsible for system-level operations such as device registration, controller maintenance, system management, and internal communication between system components. For this purpose, it uses a dedicated access interface and port number to ensure secure and stable management connectivity.
Theservice plane, on the other hand, is designed fordaily network service operations. Administrators access this plane to perform tasks such as campus network planning, configuration delivery, monitoring, alarm viewing, and intelligent O&M operations. To keep service access independent and secure, the service plane uses its own dedicated login port.
According to HCIP Datacom Campus Network documentation, theservice plane of iMaster NCE-Campus uses port 18009. Administrators log in to the service plane by accessing the service IP address together with this port number. This separation ensures that service operations remain available even when management- plane functions are restricted or under maintenance.
Therefore, the correct port number for theservice planeis18009, making optionBthe correct answer.

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Question 119

(On the Device Management page of iMaster NCE-Campus, which of the following functions will automatically enable the SSH proxy tunnel of the network device?)

A.Summary
B.Entry Query
C.Device Configuration
D.Command Line

Correct Answer: D

In iMaster NCE-Campus, device management functions are tightly integrated with secure remote access mechanisms to ensure safe and efficient O&M operations. One such mechanism is theSSH proxy tunnel, which allows administrators to remotely access managed devices through the controller without directly exposing device management interfaces to the external network.
According to HCIP Datacom Campus Network documentation, theSSH proxy tunnel is automatically established when the Command Line function is usedon the Device Management page. When an administrator clicks theCommand Lineoption, iMaster NCE-Campus dynamically builds a secure SSH proxy channel between the controller and the target device. This enables real-time CLI access to the device through the web interface while maintaining strict security controls.
Other functions such asSummary,Entry Query, andDevice Configurationdo not require direct CLI interaction with the device. These functions rely on management protocols and configuration delivery mechanisms such as NETCONF or telemetry, and therefore do not trigger the establishment of an SSH proxy tunnel.
The Command Line function is specifically designed for scenarios such as advanced troubleshooting, manual verification, or executing device-level commands. Automatically enabling the SSH proxy tunnel at this moment ensures that CLI access is bothsecure and on-demand, reducing attack surfaces and simplifying remote maintenance.
Therefore, the function that automatically enables the SSH proxy tunnel isCommand Line, making optionDthe correct answer.

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Question 120

(ESP is an IP-based transport-layer protocol. Which of the following is its protocol number?)

A.47
B.50
C.51
D.102

Correct Answer: B

Encapsulating Security Payload (ESP) is one of the core protocols of the IPsec framework and is widely used in Huawei campus and SD-WAN network solutions to provide secure data transmission. ESP operates directly over IP and is identified by a uniqueIP protocol number, which allows network devices to recognize and process ESP packets correctly.
According to HCIP Datacom Campus Network documentation and standard IP protocol definitions,ESP uses protocol number 50. ESP provides essential security services such as data confidentiality through encryption, data integrity verification, authentication, and anti-replay protection. It can operate in bothtransport modeandtunnel mode, making it suitable for scenarios such as site-to-site VPNs and remote access VPNs.
The other options listed are incorrect.Protocol number 47is used by GRE (Generic Routing Encapsulation), which is a tunneling protocol and does not provide encryption.Protocol number 51is assigned to AH (Authentication Header), another IPsec protocol that provides integrity and authentication but does not support encryption.Protocol number 102is not associated with ESP or commonly used IPsec-related protocols.
Correct identification of ESP traffic using protocol number 50 is critical for firewall configuration, security policy enforcement, and proper forwarding of encrypted traffic in campus and WAN environments.
Therefore, the correct answer is50, which corresponds to optionB.

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