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Huawei H12-891_V1.0-ENU

H12-891_V1.0-ENU

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Aug 13, 2026

Q&A Number: 611 Q&As

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

SectionWeightObjectives
Topic 1: Advanced Datacom Technologies and Applications35%- Advanced Routing
  • 1. IS-IS
  • 2. OSPF Advanced Features
  • 3. BGP
- Advanced Switching
  • 1. VXLAN
  • 2. MSTP
  • 3. EVPN
- Network Security
  • 1. Access Control Technologies
  • 2. AAA
  • 3. 802.1X Authentication
Topic 2: Campus Network Solution25%- Campus Network Design
  • 1. User Access Design
  • 2. WLAN Design
  • 3. Huawei CloudCampus Solution
- Campus Network Deployment
  • 1. Policy Deployment
  • 2. Fabric Deployment
  • 3. Service Provisioning
Topic 3: Network Automation and Programmability15%- Automation Technologies
  • 1. RESTCONF
  • 2. Python Automation
  • 3. NETCONF
- Controller-Based Networking
  • 1. iMaster NCE-Campus
  • 2. Intent-Driven Networking
Topic 4: Datacom Basic Knowledge15%- Network Architecture
  • 1. Enterprise Network Architecture
  • 2. Campus Network Architecture
  • 3. WAN Architecture
- Core Protocol Technologies
  • 1. Switching Technologies
  • 2. IPv4 and IPv6
  • 3. Routing Technologies
Topic 5: Network Planning, Operations and Maintenance10%- Network Planning
  • 1. Capacity Planning
  • 2. High Availability Design
- Operations and Maintenance
  • 1. Performance Monitoring
  • 2. Fault Diagnosis
  • 3. Network Optimization

Huawei HCIE-Datacom V1.0 Sample Questions:

1. The correct description of the extended features of ISIS is?

A) ISIS can choose whether to authenticate incoming SNP and LSP packets
B) When the amount of information in the Link State Protocol data packet PDU to be released by ISIS is too large, the ISIS router will generate multiple LSP shards to carry more ISIS information.
C) If there are other vendors' devices on the network and do not support the LSP sharding function, the sharding expansion mode must be configured as Model-1, otherwise the message will not be recognized by other vendors' devices.
D) After you enable the LSP shard extension feature of your router, you can use it without restarting the ISIS process.


2. CORRECT TEXT
When the BFD detection intervals on both ends are 30ms and 40ms, are the following options described correctly? An

A) BFD session can be established, which takes 40ms after negotiation
B) BFD sessions can be established, each occurring at its own interval
C) BFD sessions cannot be established
D) BFD session can be established, which takes 30ms after negotiation


3. VPN instances are also known as VPN routing forwarding tables (PN Routing and Forwarding table), and there are multiple route forwarding tables on the PE, including a public route forwarding table, one or more VPN route forwarding tables, and VPNv4 Route forwarding table.

A) TRUE
B) False


4. Regarding the BGP ring protection mechanism, is the following description correct?

A) The Cluster List property is used for loop guard within the reflector cluster, and the router rejects the route when it finds that the Cluster List of the route entry contains its own Cluster ID.
B) Routes learned from IBGP are not advertised to IBGP neighbors and are used to prevent routing loops inside the AS.
C) The AS_ PATH attribute is used between autonomous systems to prevent ring cats
D) You can use the AS_ CONFED_SET attribute to prevent loops within a consortium.


5. In cross-domain VPN-OptionB packet forwarding, two ASBRs exchange the same LSP tags once.

A) False
B) True


Solutions:

Question # 1
Answer: A,B,C
Question # 2
Answer: B
Question # 3
Answer: A
Question # 4
Answer: B,C,D
Question # 5
Answer: A

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