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Huawei H12-891_V1.0 Exam Questions
- Huawei Certified ICT Expert HCIE Certifications
- Huawei HCIE Datacom Certifications
- Topic 1: Advanced Routing and Switching Technology: This topic covers various advanced aspects of routing and switching technology, including Advanced IGP Features, Advanced BGP Features, Network Security Technologies, and MPLS LDP Fundamentals and Configuration.
- Topic 2: Campus Network Planning and Deployment: This topic encompasses the essentials of planning and deploying campus networks, which include Enterprise Network Introduction, Enterprise Campus Network Overview, VXLAN and Campus Network Virtualization.
- Topic 3: WAN Interconnection Planning and Deployment: It involves the strategies and technologies for WAN interconnection planning and deployment. The topic also focuses on WAN Interconnection Solution and Technologies Overview.
- Topic 4: Bear WAN Planning and Deployment: This topic focuses on the planning and deployment of bearer WANs, including Enterprise Bearer WAN Solution, Enterprise Bearer WAN Architecture and Key Technologies.
- Topic 5: Network Automation: The topic delves into the automation of networks, including Network Automation Overview, SSH Fundamentals and Practice, NETCONF YANG Fundamentals and Practice, Telemetry Fundamentals and Practice, and OPS Fundamentals and Practice.
Free Huawei H12-891_V1.0 Exam Actual Questions
Note: Premium Questions for H12-891_V1.0 were last updated On May. 13, 2026 (see below)
Which of the following commands needs to be run in the BGP view to enable a VPN instance to advertise IP routes to the BGP-EVPN address family?
In BGP EVPN configuration for VXLAN-based networks, Huawei uses the command:
[bgp] advertise l2vpn evpn
This command enables the BGP process to advertise routes from a VPN instance into the EVPN (L2VPN) address family, which is used for VXLAN control-plane operations like MAC/IP advertisement.
Option A (advertise irbvfi) --- invalid command.
Option B (advertise vpnv4) --- used for MPLS VPNs, not EVPN.
Option C (advertise irb) --- not a recognized Huawei command.
Option D is the correct and officially used command.
Correct answer: D. advertise l2vpn evpn
You have developed a third-party Portal authentication application and connected it to iMaster NCE-Campus to perform Portal authentication for Wi-Fi users. After connecting to Wi-Fi, a user will be redirected to the login page pushed by the authentication application when visiting any website for the first time.
Comprehensive and Detailed In-Depth
In the Huawei iMaster NCE-Campus solution, when using a third-party Portal authentication application, the following process occurs:
After the Wi-Fi user connects to the network, any attempt to access a website for the first time triggers HTTP redirection.
The user is redirected to the login page provided by the third-party authentication application.
This mechanism ensures that the user authenticates before accessing external resources.
The redirection behavior is consistent with captive portal functionality, which is standard for user authentication on Wi-Fi networks.
Therefore, the statement is TRUE.
Huawei HCIE Datacom Official Certification Guide
Huawei iMaster NCE-Campus Authentication Guide
Captive Portal Authentication Principles
Free mobility implements policy management and permission control based on users' VLAN IDs and IP addresses.
Why is Free Mobility Not Based on VLANs or IP Addresses?
Free mobility in Huawei CloudCampus implements policy-based user access control based on user identity (rather than VLANs or IP addresses).
Users can move across different network locations while maintaining their assigned security and access policies.
How Free Mobility Works:
Policies are applied based on User Groups instead of VLAN or IP.
Uses Group-Based Policy Control (GBP) and Software-Defined Access (SDA) principles.
Incorrect Statement
Traditional networks rely on VLANs and IP addresses for segmentation, but Free Mobility applies policies at the user level, allowing seamless access anywhere on the network.
Reference from Huawei HCIE-Datacom Documentation:
Huawei CloudCampus Solution Guide -- Free Mobility and Policy Control
HCIE-Datacom Training Material -- Identity-Based Networking
What can be determined from the following IS-IS peer output?
Peer information for ISIS(1):
Peer System ID: ee8c.a0c2.baf3
Interface: GE0/0/0
State: Up
HoldTime: 7s
Type: L1
PRI: 64
MT IDs supported: 0(UP), 2(UP)
Local MT IDs: 0, 2
Area Address(es): 49.0022
Peer IP Address(es): 10.1.34.1
Peer IPv6 Address(es): FE80::2E0:FCFF:FE98:2576
Comprehensive and Detailed
The IS-IS peer output shows:
IPv4 Peer Address: 10.1.34.1
IPv6 Peer Address: FE80::2E0:FCFF:FE98:2576
MT IDs (Multi-Topology) Supported: 0 (IPv4), 2 (IPv6)
Since both IPv4 and IPv6 peer addresses are listed, it confirms that both IPv4 and IPv6 IS-IS neighbor relationships are established between R4 and ee8c.a0c2.baf3.
Reference: Huawei HCIE Datacom -- IS-IS Multi-Topology Support
When a Layer 3 switch sends IP packets originating from one VLAN to another LAN, which field in the following options is overridden?( Single choice questions).
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