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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Advanced Routing and Switching Technologies	37%	- Network Quality and Optimization 1. QoS mechanism and deployment 2. Traffic engineering and MPLS technology - Advanced Routing Protocols 1. BGP route control, policy and deployment 2. IS-IS protocol principles and deployment 3. OSPF advanced features and optimization - Advanced Switching Technologies 1. Ethernet protection and reliability technologies 2. VXLAN and EVPN principles and application 3. Multicast routing and deployment
Network Automation Technologies and Practice	17%	- Automation Foundation 1. YANG model and data modeling 2. Network programming basis and protocols - Huawei Automation Solutions 1. eSight and iMaster NCE tools 2. Configuration automation and deployment 3. API-based network operation and maintenance
Campus Network Planning and Deployment	23%	- Campus Network Service Deployment 1. WLAN planning and deployment 2. Campus network management and operation 3. User access management and security - Campus Network Architecture Design 1. Typical campus network structure and design principles 2. CloudCampus solution architecture and features
WAN Interconnection Network Planning and Deployment	8%	- WAN Service Optimization 1. WAN security and isolation design 2. WAN link reliability and load balancing - WAN Interconnection Technologies 1. SD-WAN architecture and Huawei solution 2. Traditional WAN connection technologies
Bearer WAN Planning and Deployment	15%	- Bearer Network Architecture 1. CloudWAN solution and application scenarios 2. Typical bearer network structure and requirements - High-level Technology Deployment 1. Network slicing and service bearing 2. SRv6 principles and deployment

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Quiz 2026 Valid H12-891_V1.0: HCIE-Datacom V1.0 Reliable Exam Pattern

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Huawei HCIE-Datacom V1.0 Sample Questions (Q28-Q33):

NEW QUESTION # 28
The following statement about the alliance is correct?( Single choice questions).

A. The consortium divides an AS into sub-AS, and the alliance external AS still considers the consortium to be an AS
B. The subas number of the consortium, which by default notifies BGP peers outside the consortium
C. Subsystems within a consortium can use private AS numbers. Huawei NE/AR routers, a consortium can be configured with up to 32 subsystems
D. Consortium can easily detect the routing loop within the AS because EBGP is running between the subAS.

Answer: B

NEW QUESTION # 29
In OSPFv3, which of the following types of LSAs can be flooded in the entire AS?

A. Link-LSA
B. AS-external-LSA
C. Intra-Area-Prefix-LSA
D. Inter-Area-Prefix-LSA

Answer: B

Explanation:
* OSPFv3 (IPv6 OSPF) introduces modified LSA types compared to OSPFv2.
* AS-external-LSAs (Type 5):
* Used for advertising external routes (outside the OSPF domain).
* Flooded across the entire OSPF AS (except stub areas).
* Other LSAs:
* Link-LSA (Type 8): Local to the link.
* Inter-Area-Prefix-LSA (Type 3): Used for inter-area route distribution.
* Intra-Area-Prefix-LSA (Type 9): Used within a single OSPF area.
# Reference: Huawei HCIE-Datacom Guide - OSPFv3 LSA Types

NEW QUESTION # 30
Which of the following is incorrect about HTTPS?( Multiple Choice)

A. HTTPS protocol uses TCP port 443 by default
B. HTTPS secures access to data by using SSLVPN.
C. If the HTTPS traffic contains a virus, the router cannot detect the virus directly using IPS technology
D. When using HTTPS to access a website, the website cannot be accessed if the user's browser does not recognize the website's digital certificate.

Answer: D

NEW QUESTION # 31
Which of the following statements about BIER (Bit Index Explicit Replication) and PIM (Protocol Independent Multicast) are correct?

A. On a BIER-based multicast network, packets sent by the multicast source must be encapsulated with the Bitstring field.
B. On a PIM-based multicast network, an MDT covering all nodes that multicast traffic traverses needs to be established.
C. On a BIER-based multicast network, an MDT covering all nodes that multicast traffic traverses does not need to be established.
D. On a BIER-based multicast network, multicast users must send group join messages hop by hop.

Answer: A,B,C

Explanation:
Comprehensive and Detailed Explanation:
# BIER vs. PIM Multicast Routing:
* BIER (Bit Index Explicit Replication) eliminates the need for multicast distribution trees (MDTs) by encoding receiver information into the packet header.
* PIM (Protocol Independent Multicast) requires MDTs to manage multicast forwarding paths.
# Correct Statements:# (A) BIER uses a Bitstring field in packet headers for forwarding.# (B) PIM builds MDTs to define multicast paths.# (C) BIER does NOT require MDTs, making it more scalable.
# (D) Incorrect # BIER does not require hop-by-hop join messages.
# Reference: Huawei HCIE Datacom - BIER and PIM Comparison

NEW QUESTION # 32
If you have a Huawei switch running the STP protocol, and now connect the GO/O/17 interface and the GO/O/18 interface of the switch through a cable, then the scenario described below is correct ?( Single choice questions).

A. GO/0/18 interface will enter the Disking state
B. The GO/0/18 interface will continuously change back and forth between the Listening state and the Learning state
C. Both the Go/0/17 interface and the G0/0/18 interface enter the Disccarding state
D. The Go/0/17 interface enters the Blocking state
E. Both the G0/0/17 interface and the GO/0/18 interface enter the Forwarding state

Answer: A

NEW QUESTION # 33
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