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The H12-891_V1.0 Certification Exam is one of the top-rated and career-oriented certificates that are designed to validate an Huawei professional's skills and knowledge level. These HCIE-Datacom V1.0 (H12-891_V1.0) practice questions have been inspiring those who want to prove their expertise with the industrial-recognized credential. By cracking it you can gain several personal and professional benefits.

Huawei H12-891_V1.0 Exam Syllabus Topics:

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

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Huawei HCIE-Datacom V1.0 Sample Questions (Q140-Q145):

NEW QUESTION # 140
The correct description about the BGP reflector is ?( Multiple choice questions).

A. The route reflector can advertise routes learned from one client to other clients and non-clients
B. The route reflector can advertise routes learned from IBGP neighbors to all clients and non-client
C. The route reflector can advertise routes learned from non-clients to all clients
D. IBGP neighbor relationships need to be fully interconnected without a route reflector. The introduction of route reflectors can reduce the need for full interconnection

Answer: A,C,D

NEW QUESTION # 141
In an IPv6 network, two nodes A and B are neighbors to each other if Node A sends NS messages to Node B if node B is B After receiving the message, reply to the NA message, then view it on node A, what will the neighbor status be marked? (Single Choice Questions).

A. Incomplete
B. Probe
C. Stale
D. Reachable

Answer: D

NEW QUESTION # 142
Which of the following statements is correct about 6PE and 6VPE?

A. In 6PE networking, VPN instances need to be created on PEs.
B. In 6PE networking, IPv6 addresses of a CE can be reused.
C. In 6VPE networking, IPv6 addresses of a CE can be reused.
D. In 6VPE networking, no VPN instance needs to be created on PEs.

Answer: C

Explanation:
6PE (IPv6 Provider Edge over MPLS) vs. 6VPE (IPv6 VPN Provider Edge over MPLS VPNs)
6PE (IPv6 over MPLS without VPNs):
* Uses global IPv6 routing over MPLS.
* No VPN instances (VRFs) are created on PEs.
* IPv6 addresses cannot be reused across different CEs because all traffic is routed using a single global table.
6VPE (IPv6 over MPLS with VPNs):
* Uses MPLS VPN (VRF instances) to provide IPv6 VPN services.
* VPN instances (VRFs) are created on PEs to separate customer networks.
* IPv6 addresses of CEs can be reused in different VPN instances because each VRF maintains separate routing tables.
Correct Answer Explanation:
# C. In 6VPE networking, IPv6 addresses of a CE can be reused.
* Since each VPN instance (VRF) maintains its own IPv6 routing table, IPv6 addresses of CEs can be reused across different VPNs.
Incorrect Answer Explanations:
# A. In 6PE networking, VPN instances need to be created on PEs.
* Wrong! 6PE does not use VPN instances (VRFs); it relies on a global IPv6 routing table.
# B. In 6PE networking, IPv6 addresses of a CE can be reused.
* Wrong! Since 6PE uses a single IPv6 global routing table, IPv6 addresses cannot be reused.
# D. In 6VPE networking, no VPN instance needs to be created on PEs.
* Wrong! 6VPE requires VPN instances (VRFs) on PEs to separate customer traffic.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei MPLS VPN Configuration Guide - 6PE and 6VPE Deployment
* HCIE-Datacom Training Material - IPv6 MPLS Solutions

NEW QUESTION # 143
You try to trace a remote Internet address on your PC, but the traceroute stops after it reaches a router, and currently, the router should be in the incoming direction of the serial interface With an ACL "rule5 permit tcp source any destination any", you need to add which of the following ACLs to the router for traceoute to work

A. Rule 10 permit tcp source any destination any
B. Rule 10 permit icmp source any destination any icmp tti-exceeded rule permit icmp source any icmp-type port-unreachableE. Rule 10 permit udp source any destination any rule 15 permit icmp source any destination any icmp-type protocolunreachable
C. Rule 10 permit icmp source any destination any icmp-typettl-exceeded rule 15 permit source any destination any icmp-type echo-reply
D. Rule 10 permit icmp source any destination any icmp-type echo rule 15 permiticmp source any destination any icmp-type net-unreachable

Answer: B

NEW QUESTION # 144
As shown in the figure, what is known about the default routes on R4?
Routing Table on R4:
<R4>display ip routing-table protocol isis
Destination/Mask Proto Pre Cost Flags NextHop Interface
0.0.0.0/0 ISIS-L1 15 10 D 10.1.24.1 GigabitEthernet0/0/1
ISIS-L1 15 10 D 10.1.34.1 GigabitEthernet0/0/0
172.16.1.2/32 ISIS-L1 15 10 D 10.1.24.1 GigabitEthernet0/0/1
172.16.1.3/32 ISIS-L1 15 10 D 10.1.34.1 GigabitEthernet0/0/0

A. Four equal-cost default routes
B. One default route
C. Two default routes with different costs
D. Two equal-cost default routes

Answer: D

Explanation:
Understanding the Routing Table Entries on R4
0.0.0.0/0 (Default Route) is installed twice in the routing table.
The NextHop values for the default route:
10.1.24.1 (GigabitEthernet0/0/1)
10.1.34.1 (GigabitEthernet0/0/0)
Cost: Both routes have a metric (Cost) of 10, meaning they are equal-cost routes.
Protocol: ISIS-L1 (Intermediate System to Intermediate System - Level 1) confirms these routes are coming from IS-IS routing.
Flags: D (Dynamic) means these routes were dynamically learned via IS-IS.
Why is Option D Correct?
Since both routes have the same cost (10), they are considered equal-cost default routes.
The router will use both routes in a load-sharing fashion.
The answer is NOT A (Four equal-cost routes) because there are only two default routes, not four.
The answer is NOT B (One default route) because there are two default routes in the table.
The answer is NOT C (Two default routes with different costs) because both routes have the same cost (10).
Real-World Application
Equal-Cost Multi-Path (ECMP): The router can perform load balancing across the two equal-cost paths.
Resilience & Redundancy: If one link fails, the other can take over without re-calculating the entire routing table.
✅ Reference: Huawei HCIE-Datacom Study Guide - IS-IS Routing & ECMP Load Balancing

NEW QUESTION # 145
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