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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

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Huawei HCIE-Datacom V1.0 Sample Questions (Q178-Q183):

NEW QUESTION # 178
Which of the following statements are correct about the command:
ping -aX -cY -sZ -vpn-instance M 10.5.16.2

Answer: A,B,C,D

Explanation:
Understanding the Command Components:
This is a Huawei CLI command used for diagnosing connectivity within a VPN instance in an MPLS network.
* ping -aX # Specifies the source IP address (X) of the ping packets.
* -cY # Specifies the number of ICMP Echo Request packets to send (Y).
* -sZ # Defines the size (in bytes) of each ICMP Echo Request packet (Z).
* -vpn-instance M # Specifies the VPN instance (VRF) M to which the ping packets belong.
Why are all options correct?
# A. The source IP address of the ping packets is X.
* The -aX option forces the ping to originate from IP X instead of the default interface IP.
# B. The ping packets belong to VPN instance M.
* The -vpn-instance M option ensures the ping is sent within VPN instance M, allowing verification of MPLS L3VPN routing.
# C. During the ping operation, the quantity of ICMP Request packets is Y.
* The -cY parameter sets the number of ICMP Echo Requests to be sent, making Y the total count.
# D. The size of each ICMP Request packet for the ping operation is Z bytes.
* The -sZ parameter defines packet size, helping to test MTU (Maximum Transmission Unit) issues.
Real-World Application:
* Verifying MPLS VPN connectivity: Ensure customer networks are reachable within separate VRFs.
* Testing MTU & fragmentation: Using -sZ, operators can check if packet fragmentation occurs.
* Debugging asymmetric routing issues: By forcing -aX, engineers can trace return paths.
# Reference: Huawei HCIE-Datacom Official Guide - MPLS VPN Troubleshooting & Ping Options


NEW QUESTION # 179
The free mobility function is deployed on the iMaster NCE-Campus on a campus network. Which of the following information should an administrator pay attention to?

Answer: A,B,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Thefree mobility functionin iMaster NCE-Campus allows users to maintain consistent security policies regardless of their physical location within the campus network. To correctly implement this function, the administrator must:
A: Define security groups:Group users and devices based on roles or functions.
B: Deliver the inter-group policy:Apply policies that define how different security groups interact.
C: Deploy a policy control matrix:Establish a matrix that specifies theaccess control policiesbetween security groups.
D: Select the policy enforcement point:Choose devices or interfaces where policies are enforced, such as switches or routers.
All four steps are crucial for achieving dynamic policy enforcement in a virtualized and mobility-oriented campus network.


NEW QUESTION # 180
The most effective way to view device warnings through the CLI is ?

Answer: A


NEW QUESTION # 181
BGP can only automatically aggregate routes whose source is Incomplete.

Answer: B


NEW QUESTION # 182
Regarding the description of the security level of the configured firewall security zone, the error is ?

Answer: A


NEW QUESTION # 183
......

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