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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

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Huawei HCIE-Datacom V1.0 Sample Questions (Q108-Q113):

NEW QUESTION # 108
Cross-device link aggregation realizes the back-to-back transmission of data traffic and the mutual spare of the heap member switches, but due to the limited bandwidth of the heap cable between the heap devices, the forwarding efficiency can be improved in the following ways?

Answer: D


NEW QUESTION # 109
In Huawei's NAC solution, which of the following cannot be used for Portal authentication?

Answer: A

Explanation:
Huawei'sNetwork Access Control (NAC)Portal authentication supports various identity authentication methods for user login via a web page. These include:
Username and password- standard method.
Passcode- one-time password or PIN.
SMS verification code- users receive a dynamic code via SMS for identity verification.
However:
MAC addressauthentication is used inMAC-based authentication, not Portal. MAC authentication allows a device to be authenticated using its MAC address without user interaction (i.e., not via a Portal page).
Correct answer: D. User's MAC address


NEW QUESTION # 110
Is the following description of the OSPFv3 message correct?

Answer: A,B,C


NEW QUESTION # 111
The display current-configuration command displays the running configurations in memory.

Answer: A

Explanation:
Comprehensive and Detailed
The display current-configuration command is used to show the active running configuration stored in RAM (memory).
Key Features:
โœ” Displays current settings for interfaces, routing, and security.
โœ” Reflects real-time changes (different from startup-config stored in NVRAM).
โœ” Useful for troubleshooting and verification before saving configurations.
Thus, the statement is TRUE.
๐Ÿ“– Reference: Huawei HCIE Datacom - Command Reference Guide


NEW QUESTION # 112
In the gRPC-based telemetry protocol, the data model layer consists of theRPC layer,telemetry layer, andservice data layer. Drag the.proto fileto the layer where the file should be located.

Answer:

Explanation:
A screenshot of a computer AI-generated content may be incorrect.
Comprehensive and Detailed In-Depth Explanation:
ThegRPC-based telemetry protocolutilizesprotocol buffers (.proto files)to define the structure and data format used in communication between a client and a server. In Huawei ' s telemetry architecture, these files are categorized based on their roles in the data model.
1. RPC Layer:
File:huawei-grpc-dialin.proto
TheRPC layer (Remote Procedure Call layer)handles communication between the client and server.
The filehuawei-grpc-dialin.protodefines thegRPC service interfaces, message structures, and procedures for remote method invocation.
It is essential forestablishing communicationandinvoking telemetry data collection.
Function:Managesdial-in and dial-out connectionsbetween the telemetry client and the server.
2. Telemetry Layer:
File:huawei-telemetry.proto
Thetelemetry layeris responsible forcollecting, packaging, and exporting telemetry data.
The filehuawei-telemetry.protocontains thedata modelused for telemetry reporting, includingstreaming data formatsandtelemetry messages.
It defines how thecollected datais organized and transmitted.
Function:Provides astructured way to export telemetry datain real-time or batch mode.
3. Service Data Layer:
File:huawei-debug.proto
Theservice data layercontains data models related todiagnostics, debugging, and operational data.
The filehuawei-debug.protois used tocollect debugging informationfrom network devices.
This file is crucial fortroubleshooting and monitoring the healthof the system.
Function:Facilitatesdebugging and diagnostic telemetry data collection.
Why This Mapping Is Correct:
The mapping is based on thefunctional role of each layerand thepurpose of each .proto filein the Huawei gRPC-based telemetry architecture.
Correctly identifying the file location is crucial foreffective telemetry configurationanddata collection.
References:
Huawei HCIE-Datacom V1.0 Training Materials
Huawei Official Documentation: Telemetry Configuration Guide
gRPC Protocol Buffers and Service Definition
HCIE-Datacom Knowledge Base: Telemetry and Data Collection


NEW QUESTION # 113
......

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