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Huawei H12-891_V1.0

H12-891_V1.0

Exam Code: H12-891_V1.0

Exam Name: HCIE-Datacom V1.0

Updated: Sep 04, 2026

Q & A: 323 Questions and Answers

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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: WAN Interconnection Network Planning and Deployment8%- Inter-AS VPN
  • 1. Option A
  • 2. Option C
  • 3. Option B
- SD-WAN
  • 1. Architecture
  • 2. Orchestrator
- MPLS VPN
  • 1. Hub-Spoke
  • 2. Full-Mesh
Topic 2: Bearer WAN Planning and Deployment15%- Traffic Engineering
  • 1. SR-TE
  • 2. RSVP-TE
  • 3. Flex-Algo
- VPN Services
  • 1. EVPN
  • 2. L3VPN
- SR (Segment Routing)
  • 1. SR-MPLS
  • 2. SRv6
Topic 3: Advanced Routing and Switching Technology37%- Route Control
  • 1. Route-policy
  • 2. IP Prefix List
  • 3. Route Filtering
  • 4. ACL
- BGP
  • 1. Route Aggregation
  • 2. Path Selection
  • 3. Basic Concepts
  • 4. Routing Policies
  • 5. Configurations and Troubleshooting
- Ethernet Switching
  • 1. VLAN
  • 2. VXLAN
  • 3. STP/RSTP/MSTP
  • 4. Stack & CSS
- IS-IS
  • 1. Basic Concepts
  • 2. Configurations and Troubleshooting
  • 3. Network Types
  • 4. Addressing
  • 5. Route Leaking
- MPLS
  • 1. MPLS TE
  • 2. Basic Concepts
  • 3. MPLS VPN
  • 4. LDP
  • 5. Configurations
- OSPF
  • 1. Area Types
  • 2. Route Calculation
  • 3. LSA Types
  • 4. Basic Concepts
  • 5. Configurations and Troubleshooting
Topic 4: Network Automation17%- Automation Technologies
  • 1. NETCONF/YANG
  • 2. Python Scripting
  • 3. Ansible
  • 4. RESTful API
- NCE (Network Cloud Engine)
  • 1. Deployment
  • 2. Architecture
- iMaster NCE
  • 1. Intent-Driven Networking
Topic 5: Campus Network Planning and Deployment23%- Overlay Network (VXLAN)
  • 1. VXLAN Gateway
  • 2. BGP EVPN
- Campus Network Architecture
  • 1. Hierarchical Design
  • 2. Spine-Leaf Architecture
- Network Services
  • 1. QoS
  • 2. Network Security
  • 3. WLAN
- Underlay Network
  • 1. IP Address Planning
  • 2. Physical Layer Design

Huawei HCIE-Datacom V1.0 Sample Questions:

Question 1

In the firewall hot standby scenario, when VGMP works in load balancing mode, which of the following functions must be enabled on the firewalls to prevent the return traffic from being discarded because it does not match any session entry in the case of inconsistent forward and return paths?

A. Quick session backup
B. Automatic backup
C. Manual batch backup
D. BFD


Question 2

BGP routing policies can be used to control the advertisement and acceptance of routes.

A. FALSE
B. TRUE


Question 3

In the firewall hot standby scenario, in which of the following conditions will the local device proactively send VGMP packets?

A. Hot standby being enabled
B. Link detection packet timeout
C. Hot standby being disabled
D. Priority increase


Question 4

SSH connections are usually established based on TCP/IP connections. In specific cases, SSH connections can be established based on UDP connections.

A. FALSE
B. TRUE


Question 5

Refer to the following command output on the router R1. Which of the following statements is incorrect?
<R1> display interface Tunnel
Tunnel0/0/0 current state : UP
Line protocol current state : UP
Last line protocol up time : 15:21:23 UTC-08:00
Description: ! 0.0.3.3
Route Port, The Maximum Transmit Unit is 1500
Internet Address is 20.1.1.1/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.0.1.1 (LoopBack0), destination 10.0.3.3
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled
Current system time: 15:21:37-08:00
300 seconds input rate 0 bits/sec, 0 packets/sec
300 seconds output rate 0 bits/sec, 0 packets/sec
13 seconds input rate 0 bits/sec, 0 packets/sec
13 seconds output rate 448 bits/sec, 0 packets/sec
9 packets output, 824 bytes
0 output error
Input bandwidth utilization : -
Output bandwidth utilization : -

A. The destination IP address of the tunnel is 10.0.3.3.
B. Key authentication is disabled for the tunnel.
C. The tunnel is a GRE tunnel.
D. Keepalive detection is enabled on the tunnel.


Solutions:

Question 1
Answer: A
Question 2
Answer: B
Question 3
Answer: A
Question 4
Answer: A
Question 5
Answer: D

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