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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Bearer WAN Planning and Deployment	15%	- High-level Technology Deployment 1. Network slicing and service bearing 2. SRv6 principles and deployment - Bearer Network Architecture 1. CloudWAN solution and application scenarios 2. Typical bearer network structure and requirements
Topic 2: Network Automation Technologies and Practice	17%	- Huawei Automation Solutions 1. API-based network operation and maintenance 2. eSight and iMaster NCE tools 3. Configuration automation and deployment - Automation Foundation 1. YANG model and data modeling 2. Network programming basis and protocols
Topic 3: Campus Network Planning and Deployment	23%	- Campus Network Architecture Design 1. CloudCampus solution architecture and features 2. Typical campus network structure and design principles - Campus Network Service Deployment 1. WLAN planning and deployment 2. Campus network management and operation 3. User access management and security
Topic 4: Advanced Routing and Switching Technologies	37%	- Network Quality and Optimization 1. QoS mechanism and deployment 2. Traffic engineering and MPLS technology - Advanced Switching Technologies 1. Ethernet protection and reliability technologies 2. VXLAN and EVPN principles and application 3. Multicast routing and deployment - Advanced Routing Protocols 1. OSPF advanced features and optimization 2. IS-IS protocol principles and deployment 3. BGP route control, policy and deployment
Topic 5: 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

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Huawei HCIE-Datacom V1.0 Sample Questions (Q143-Q148):

NEW QUESTION # 143
A company network runs the OSPF protocol, a project in order to understand the OSPF mechanism in the network to perform packet transfer operations, the following description of ospf messages is correct?

A. LS update packet synchronizes the link state database by sending detailed LSA information
2
B. When an LsUpdate packet is received, the router must send an LsAck acknowledgment
C. LS update packet is sent only when the adjacency relationship is established
D. The interface sends a Hello packet immediately after joining the OSPF region

Answer: A,D

NEW QUESTION # 144
Assume that BGP/MPLSIPVVPN, OSPF, LDP, and static routing protocols are already enabled on the PE router . Which of the following protocols need to enable GR on PE in order to get NSF functionality?
(Multiple choice questions).

A. Static circuit
B. OSPF
C. MPLS LDP
D. BGP

Answer: B,C,D

NEW QUESTION # 145
A workstation is connected to an Ethernet switch in the work through a super-class 5 wire, the workstation can access the entire network (that is, full connection) through the switch, but the access rate is much lower than expected, when viewing the switch interface statistics, you can detect that there are many ultra-small frames, with software to read the statistics of the workstation network card, found that there are Many FCS and frame alignment errors, what causes the machine to cause these errors?

A. The line between the workstation and the switch has been completely damaged
B. Interface mismatched to an 8021Qtrunk interface
C. The operating mode between the workstation and the switch does not match
D. The rate mismatch between the workstation and the switch
E. The network interface card on the workstation is damaged

Answer: C

NEW QUESTION # 146
New IS-IS TLVs are used to carry IPv6 addresses and reachability information to support IPv6 route processing and calculation.

A. TRUE
B. FALSE

Answer: A

Explanation:
IS-IS was originally designed for IPv4, but extensions via TLVs (Type-Length-Value) allow it to support IPv6. These are referred to as New IS-IS TLVs, including TLV 236 (IPv6 Reachability), TLV 232 (IPv6 Interface Address), etc. These TLVs are crucial for IPv6 route computation within IS-IS.
Exact Extract - HCIE-Datacom Guide - IPv6 Routing Protocols Chapter
"IS-IS uses new TLVs such as TLV 236 and TLV 232 to carry IPv6 prefix and interface address information.
These TLVs are essential to enable IPv6 route calculation."
Reference:
Huawei HCIE-Datacom Training Manual - IS-IS for IPv6 Support
HCIE-Datacom Study Guide - IS-IS TLVs Overview Section

NEW QUESTION # 147
Fill in Blank
When static IPsec VPN is used for WAN interconnection in the Huawei CloudCampus Solution, the AP, Router, and _____ can be used as egress devices. (Use full spelling with the first letter capitalized.)

Answer:

Explanation:
Switch
Explanation:
In Huawei's CloudCampus Solution, when static IPsec VPN is used for WAN interconnection, the following devices are capable of acting as egress gateways for encrypted tunnels:
Access Point (AP)
Router
Switch
This is based on Huawei's CloudCampus architecture, where all three device types can support VPN tunnel termination depending on the deployment size and use case.
Huawei Datacom Reference:
"In static IPsec VPN networking scenarios, egress devices can be APs, Routers, or Switches depending on the deployment model. This allows flexibility for small, medium, and large-scale branches." (Source: HCIE-Datacom V1.0 Training Guide - WAN Interconnection and VPN Chapter)

NEW QUESTION # 148
......

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