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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

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With the Huawei H12-891_V1.0 certification exam you will get an opportunity to learn new and in-demand skills. In this way, you will stay updated and competitive in the market and advance your career easily. To do this you just need to pass the HCIE-Datacom V1.0 H12-891_V1.0 Certification Exam.

Huawei HCIE-Datacom V1.0 Sample Questions (Q271-Q276):

NEW QUESTION # 271
If we have a VPN instance configured on a router, if we need to view the VPN route on a Huawei router, which of the following commands should we use?

Answer: A


NEW QUESTION # 272
Refer to the output information of a device below. According to the information, which of the following MPLS labels is carried in a data packet forwarded by the device to 10.0.1.1?

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
#MPLS labels in SR-MPLS are calculated using the SRGB (Segment Routing Global Block) baseand thePrefix-SID.
#Label Calculation Formula:
MPLS Label=SRGB Base+Prefix-SID\text{MPLS Label} = \text{SRGB Base} + \text{Prefix-SID} MPLS Label=SRGB Base+Prefix-SID
#Extracting Values from the LSDB:
SRGB Base:36000
Prefix-SID:300
#Valid MPLS Labels:
36000 + 300 = 36300
40002 and 38002 fall within the SRGB range.
39002 is outside the expected range, making it theincorrect answer.
# Reference:Huawei HCIE Datacom - Segment Routing Label Calculation


NEW QUESTION # 273
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, run the command on the VTEP to view BGP EVPN routes. The route entries shown in the following figure are displayed. Which of the following statements about these routing entries are correct?
Network (EthTagId/IP Prefix/IP PrefixLen)
NextHop
*>i 0:172.16.2.0:24 1.1.1.2
*>i 0:172.16.13.0:24 1.1.1.2
*>i 0:192.168.122.0:30 1.1.1.2

Answer: A,D

Explanation:
Understanding BGP EVPN Route Types for VXLAN
๐Ÿ”น BGP EVPN (Ethernet VPN) is used for VXLAN control-plane learning.
โœ… EVPN Type 2 Route (MAC/IP Advertisement)
Carries: MAC + Host IP
Used for: L2 forwarding, Host Mobility
โœ… EVPN Type 5 Route (IP Prefix Advertisement)
Carries: Network segment (Subnet) + Prefix
Used for: VXLAN L3 routing
๐Ÿ”น What Do the Given Route Entries Show?
0:172.16.2.0/24
0:172.16.13.0/24
0:192.168.122.0/30
๐Ÿ‘‰ These are IPv4 Subnets, NOT individual MACs.
๐Ÿ‘‰ Since they carry IP Prefixes, they belong to EVPN Type 5.
Analysis of the Answer Choices:
โœ… A. These routes are Type 5 routes and carry network segment or mask information.
Correct: The displayed routes carry network prefixes, which belong to EVPN Type 5.
โŒ B. These routes are Type 2 routes and carry host IP addresses.
Incorrect: Type 2 routes carry MAC + Host IP, NOT full subnets.
โŒ C. These routes carry the L2VNI.
Incorrect: L2VNI is for Layer 2 VXLAN bridging, but these are IP Prefix Routes (L3 routing).
โœ… D. These routes carry the L3VNI.
Correct: Type 5 routes are used for VXLAN L3 routing, which means they belong to L3VNI.
Real-World Application:
VXLAN L3 Gateways: Type 5 routes enable distributed routing between VXLAN segments.
Data Center Networks: Used to interconnect virtual machines (VMs) across different subnets.
โœ… Reference: Huawei HCIE-Datacom Guide - BGP EVPN & VXLAN L3 Routing


NEW QUESTION # 274
Regarding BGP/MPLS IP VPN routing interactions, the following description is incorrect?

Answer: A


NEW QUESTION # 275
In thefirewall hot standby scenario, in which of the following conditions will the local deviceproactively send VGMP packets?

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
VGMP (Virtual Group Management Protocol)is used inHuawei firewallsforhot standby and high availability.
When is VGMP Activated?#Whenhot standby is enabled, firewalls must synchronize their states to maintain failover capability.##VGMPsends packets periodicallyto check if the standby firewall is operational.
Why Other Options Are Incorrect?#Priority increase (B):Does not trigger VGMP packets directly.#Link detection timeout (C):Affects failover but does not initiate VGMP packets.#Hot standby being disabled (A):
Disables VGMP, preventing packets from being sent.
Thus, the correct answer isD.
#Reference:Huawei HCIE Datacom - Firewall Hot Standby and VGMP


NEW QUESTION # 276
......

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