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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Bearer WAN Planning and Deployment	15%	- Bearer Network Architecture 1. Typical bearer network structure and requirements 2. CloudWAN solution and application scenarios - High-level Technology Deployment 1. SRv6 principles and deployment 2. Network slicing and service bearing
Topic 2: Campus Network Planning and Deployment	23%	- Campus Network Service Deployment 1. Campus network management and operation 2. User access management and security 3. WLAN planning and deployment - Campus Network Architecture Design 1. Typical campus network structure and design principles 2. CloudCampus solution architecture and features
Topic 3: Network Automation Technologies and Practice	17%	- Huawei Automation Solutions 1. eSight and iMaster NCE tools 2. Configuration automation and deployment 3. API-based network operation and maintenance - Automation Foundation 1. Network programming basis and protocols 2. YANG model and data modeling
Topic 4: Advanced Routing and Switching Technologies	37%	- 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. BGP route control, policy and deployment 2. OSPF advanced features and optimization 3. IS-IS protocol principles and deployment - Network Quality and Optimization 1. QoS mechanism and deployment 2. Traffic engineering and MPLS technology
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 (Q39-Q44):

NEW QUESTION # 39
In cross-domain VPN-OptionB packet forwarding, two ASBRs exchange the same LSP tags once.

A. False
B. True

Answer: A

NEW QUESTION # 40
To enhance reliability, you can deploy Huawei iMaster NCE-WAN controllers in active/standby mode. Which of the following IP addresses must be configured to be the same for the active and standby controllers so that the controllers can be accessed properly? (Select All that Apply)

A. Southbound private IP addresses
B. Southbound public IP addresses
C. Northbound IP addresses
D. Internal interconnection addresses

Answer: A,B,C

Explanation:
In Huawei iMaster NCE-WAN controller active/standby deployment, to ensure seamless switchover and uninterrupted management and control channel communication, the following IPs must be configured consistently:
A . Southbound public IP addresses - Required for southbound communication from remote WAN devices via public networks.
C . Southbound private IP addresses - Used for devices accessing controllers over private links. Must remain unchanged between controllers.
D . Northbound IP addresses - For API and external system integration, ensuring upper-layer platforms don't need reconfiguration during switchover.
Internal interconnection addresses (B) are used for internal HA communication between controllers and do not need to be identical, hence not selected.
Exact Extract - Huawei HCIE-Datacom iMaster NCE-WAN Deployment Guide:
"To maintain service continuity, configure consistent southbound and northbound IP addresses across active and standby controllers. Internal interconnection addresses differ between nodes." Reference:
Huawei iMaster NCE-WAN Product Documentation
HCIE-Datacom Study Guide - SD-WAN Controller High Availability

NEW QUESTION # 41
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. Stale
B. Probe
C. Incomplete
D. Reachable

Answer: D

NEW QUESTION # 42
Which of the following inter-AS MPLS L3VPN solutions need VPN user data packets to carry MPLS labels when being forwarded between ASs?

A. Option A
B. Option B
C. Option C
D. Option D

Answer: B,D

Explanation:
There arethree standard inter-AS MPLS VPN options, as per RFC 4364:
Option A (Back-to-Back VRF):
VRFs are directly connected between ASBRs using routing exchange (like static/BGP).
No label switching between ASs -no MPLS label neededbetween ASs.
Option B (EBGP Label Exchange):
ASBRs exchange labeled VPNv4 routes via EBGP.
One MPLS label is required -MPLS forwarding across AS boundaryis used.
Option C (End-to-End LSP):
Full end-to-end LSP is created across ASs.
MPLS labels are definitely usedend-to-end, even between ASs.
Option D (Commonly vendor-specific extensions based on Option B/C):
Similar to Option C -requires MPLS labels.
So:
B: Option B- needs MPLS label#
D: Option D- also needs MPLS label#
A: Option A-no MPLS label#
C: Option C- also uses MPLS label#, but not listed as an answer option in this question format (should have been).
Assuming valid options areA, B, D, the correct ones needing MPLS labels are:
Correct answers: B, D

NEW QUESTION # 43
OSPFV is the GP running on the P4 network) OSPF3 is the KGP running on the IP6 network. OsPFV works the same basic way as OSPF2, such as elections for DR and BDR. As shown in the figure, an engineer uses three routers for IP6 service testing, and he wants to interconnect the IPv6 network by running OSPFv3 Which of the following statements is correct regarding the election of the network DR?

A. After the network converges, R1 is powered off and restarted, and when the network converges again, R3 is DR
B. After the network converges, the engineer modifies the priority of R1 to 100, the priority of R2 to 10, and R3 to the default value. When the network converges again, Rl is DR and R2 is BDR
C. After the network converges, the broadcast link adds a device, R4, with a priority of 150 When the network converges again, R4 is DR
D. After the network converges, R1 is DR

Answer: A,B,C

NEW QUESTION # 44
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