Huawei H12-891_V1.0-ENU : HCIE-Datacom V1.0

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Sep 14, 2026

Q & A: 611 Questions and Answers

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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Network Planning, Operations and Maintenance10%- Network Planning
  • 1. High Availability Design
  • 2. Capacity Planning
- Operations and Maintenance
  • 1. Fault Diagnosis
  • 2. Network Optimization
  • 3. Performance Monitoring
Campus Network Solution25%- Campus Network Deployment
  • 1. Fabric Deployment
  • 2. Policy Deployment
  • 3. Service Provisioning
- Campus Network Design
  • 1. User Access Design
  • 2. Huawei CloudCampus Solution
  • 3. WLAN Design
Datacom Basic Knowledge15%- Network Architecture
  • 1. Campus Network Architecture
  • 2. Enterprise Network Architecture
  • 3. WAN Architecture
- Core Protocol Technologies
  • 1. Switching Technologies
  • 2. IPv4 and IPv6
  • 3. Routing Technologies
Network Automation and Programmability15%- Automation Technologies
  • 1. RESTCONF
  • 2. NETCONF
  • 3. Python Automation
- Controller-Based Networking
  • 1. iMaster NCE-Campus
  • 2. Intent-Driven Networking
Advanced Datacom Technologies and Applications35%- Advanced Routing
  • 1. IS-IS
  • 2. OSPF Advanced Features
  • 3. BGP
- Network Security
  • 1. AAA
  • 2. Access Control Technologies
  • 3. 802.1X Authentication
- Advanced Switching
  • 1. MSTP
  • 2. EVPN
  • 3. VXLAN

Huawei HCIE-Datacom V1.0 Sample Questions:

Question #1

What is correct about the multicast message forwarding?

  • A. RPF check failure indicates that the multicast data packets are received from a suboptimal interface, but the interface still receives multicast traffic and forwards it downstream
  • B. IGMP snooping function can not control the range of multicast traffic in the Ethernet flood
  • C. The source address of the multicast message is the unicast address
  • D. In the multicast transmission mode, the destination address of the message can specify the location of the receiver
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

What is the relationship between CIR, BC, and TC?

  • A. CIR=BE/TC
  • B. CIR=TC/BC
  • C. TC=CIR/BC
  • D. TC=BC/CIR
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #3

Regarding route introduction, what is the following description of the error?

  • A. By default, OSPF introduces an external route with a default metric of 1, and the level-2 network of the ingested external route type type, Type2
  • B. BGP supports both import and network when generating routes, and the network mode is more precise.
  • C. Introducing IBGP routing in OSPF may cause routing loops
  • D. ISIS, routes to Level After the 1 makes a route ingestion, if you do not manually configure the ingestion policy, a bad route will be formed.
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #4

How many bits are there in the label field of MPLS?

  • A. 1
  • B. 3
  • C. 20
  • D. 8
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

The following description of the characteristics of cross-domain VN-Optionc is correct?

  • A. VPMV4 routes are not saved on the ASBR, and VPNv routes are not advertised to each other.
  • B. Cross-domain VN-Optionc, which is not suitable for use when spanning multiple AS.
  • C. VPN routes are exchanged directly between the ingress PE and egress PE and do not require an intermediate device to secure a circular VPN route.
  • D. A maximum of two layers of tags need to be used in the message forwarding process.
Reveal Solution  Discussion  0

Correct Answer: A,C  🗳️

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