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Huawei H12-891_V1.0 Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCIE-Datacom V1.0
Exam Number:	H12-891_V1.0
Available Languages:	CHS, ENU
Exam Price:	300 USD
Exam Duration:	90 minutes
Related Certifications:	HCIE-Datacom Huawei Certified ICT Expert (HCIE)
Passing Score:	600/1000
Exam Format:	Multiple-answer Question, Single-answer Question, Short Response Item, Drag and drop item, True or false
Sample Questions:	Huawei H12-891_V1.0 Sample Questions
Exam Way:	Pearson VUE or Prometric
Pre Condition:	It is recommended to pass HCIP-Datacom-Core Technology. 5 years of relevant work experience is suggested.
Official Syllabus URL:	https://e.huawei.com/en/talent/cert/#/cert/technical-cert-details?certId=1223102600645939200&contentId=1223107831750217728

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is an expert-level exam offered by Huawei Technologies Co., Ltd. HCIE-Datacom V1.0 certification exam is designed to validate the skills and knowledge required for planning, designing, implementing, operating, maintaining, and troubleshooting complex data communication networks. H12-891_V1.0 Exam covers a wide range of topics, including network design, network security, network management, and network optimization.

Huawei HCIE-Datacom V1.0 Sample Questions (Q294-Q299):

NEW QUESTION # 294
If a router only needs to forward iPv6 packets, you do not need to configure any IPV4 agreements and addresses on that router.

A. False
B. True

Answer: B

NEW QUESTION # 295
With telemetry, certain data can be sampled based on specific sampling paths. Which of the following sampling paths are supported by telemetry?

A. Information about the optical module on an interface
B. CPU information
C. Interface statistics
D. Memory information

Answer: B,C,D

Explanation:
Telemetry Data Collection in Huawei Devices
Telemetry allows real-time streaming of network performance data based on predefined sampling paths.
Supported sampling paths include:
# A. Interface statistics
* Monitors real-time traffic usage, errors, and packet loss on interfaces.
# C. CPU information
* Tracks CPU utilization and performance metrics.
# D. Memory information
* Monitors RAM usage and system memory consumption.
# B. Information about the optical module on an interface
* Telemetry does not natively support direct optical module monitoring; instead, SNMP or CLI commands like display transceiver are used.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei Telemetry Configuration Guide - Supported Sampling Paths
* HCIE-Datacom Study Material - Network Performance Monitoring with Telemetry

NEW QUESTION # 296
The figure shows an L3VPN over an SRv6 BE (Best Effort) network. According to the information displayed on PE2, which of the following statements is incorrect?

A. The router ID of the BGP process on the P is 1.0.0.6.
B. The instruction type corresponding to FO00:2 :: 1:79 is End.DT4.
C. PE2 imports the route 192.168.1.0/24 through the import-route command.
D. An IBGP peer relationship is established between PE2 and PE1, and PE2 leams the route to 192.168.1.0
/24 over an IBGP peer relationship.

Answer: A

Explanation:
Understanding L3VPN over SRv6 BE Networks
# What is L3VPN over SRv6?
Layer 3 VPN (L3VPN) allowsmultiple private routing domainsto operate over a shared service provider backbone.
SRv6 (Segment Routing over IPv6) replaces traditionalMPLS labels with IPv6 Segment Identifiers (SIDs).
Best Effort (BE)mode means thatno explicit Traffic Engineering (TE) constraints are applied.
How Routing Works in This Scenario
Key Components in the Network:
PE1 & PE2 (Provider Edge routers): Connect customer networks (CE1 & CE2).
P Router (Core Router): Provides transit between PE routers over SRv6.
SRv6 SID FC00:2::1:79: Used forVPN routing at PE2(End.DT4 function).
Step-by-Step Route Learning Process:
1##PE1 advertises the 192.168.1.0/24 VPN route to PE2 using iBGP VPNv4.
2##PE2 receives the route with next-hop 2001:DB8:1::1 (PE1).
3##PE2 installs the route with the SRv6 Prefix-SID FC00:2::1:79 (End.DT4).
4##The route is imported into the VRF using the import-route command.
Analysis of Each Answer Choice
#A. An IBGP peer relationship is established between PE2 and PE1, and PE2 learns the route to 192.168.1.0
/24 over an IBGP peer relationship.
Correct:The routing table output confirms thatPE2 receives the route via iBGP from PE1.
#B. The instruction type corresponding to FC00:2::1:79 is End.DT4.
Correct:
End.DT4 is an SRv6 function that represents a Layer 3 VPN endpoint (VRF routing).
PE2 uses End.DT4 to process VPN traffic for 192.168.1.0/24.
#C. PE2 imports the route 192.168.1.0/24 through the import-route command.
Correct:
Theimport-route command allows BGP-learned routes to be added to the local routing table (VRF).
#D. The router ID of the BGP process on the P router is 1.0.0.6. (Incorrect Statement) Incorrect:
The P router is a transit router and does NOT run BGP for VPNv4 routes.
The router ID of PE2 is 1.0.0.11, and the route originator is 1.0.0.2 (likely PE1).
P routers in an SRv6 BE network do NOT need BGP router IDs.
Final answer: D (The router ID of the BGP process on the P is 1.0.0.6.)
#Reference:Huawei HCIE-Datacom Guide - SRv6 L3VPN Routing and End.DT4 Function Real-World Application:
Service Provider Networks:UsesSRv6 to replace MPLS in large-scale VPN deployments.
5G Transport Networks:ImplementsSRv6 L3VPN for high-speed, low-latency services.

NEW QUESTION # 297
The following description of the characteristics of cross-domain VN-Optionc is correct?

A. A maximum of two layers of tags need to be used in the message forwarding process.
B. VPN routes are exchanged directly between the ingress PE and egress PE and do not require an intermediate device to secure a circular VPN route.
C. Cross-domain VN-Optionc, which is not suitable for use when spanning multiple AS.
D. VPMV4 routes are not saved on the ASBR, and VPNv routes are not advertised to each other.

Answer: B,D

NEW QUESTION # 298
The following description of the LDPLSP establishment process is correct?

A. In the DoD mode of label publishing, for a specific FEC, the LSR does not need to obtain a label request message from upstream to distribute the label.
B. When a network topology change causes the next hop neighbor to change, the free label keep method is used. LSR can quickly rebuild the LSP by directly using the labels sent by the original non-optimal next-hop neighbor. Liberal needs more memory and tag space.
C. The process of establishing a LSP is actually to bind the FEC to the tag and advertise this binding to the LSP upstream LSR process.
D. By default, LSRs are for the same FEC, and the received tag mappings can only come from the optimal next hop, not from the non-optimal next hop.

Answer: B,C

NEW QUESTION # 299
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