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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 Written Exam |
| Exam Number: | H12-891_V1.0 |
| Certificate Validity Period: | 3 years |
| Exam Price: | USD 300 (approx.) |
| Exam Format: | Multiple choice questions, Single choice questions |
| Exam Duration: | 120 minutes |
| Real Exam Qty: | 60-70 |
| Related Certifications: | HCIP-Datacom HCIE-Datacom HCIA-Datacom |
| Passing Score: | 600/1000 |
| Available Languages: | Chinese, English |
| Recommended Training: | HCIE-Datacom Official Training Huawei Learning Platform |
| Exam Registration: | Huawei Talent Certification Platform Huawei Certification Exam Registration |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Computer-based online or authorized test center exam (via Huawei certification system / Pearson VUE where applicable). |
| Pre Condition: | Recommended to hold HCIP-Datacom certification or equivalent knowledge before attempting HCIE-Datacom exam. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/#/cert/overview |
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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) certification exam is a comprehensive exam that covers a wide range of topics related to data communication. HCIE-Datacom V1.0 certification exam is designed to test the candidates' knowledge and skills in various areas, including LAN switching and routing, WAN technologies, MPLS, IPv6, network security, and network management.
NEW QUESTION # 114
The following statement about the alliance is correct?( Single choice questions).
Answer: B
NEW QUESTION # 115
On a VXLAN-based virtualized network, if the fabric networking mode is centralized gateway networking, the gateway is located on the _____ device. (Capitalize the first letter.)
Answer:
Explanation:
SpineIn VXLAN centralized gateway networking, the default gateway (for both intra- and inter-subnet traffic) is placed on the Spine node, which acts as a centralized gateway device.This architecture simplifies routing and enables centralized control for inter-VNI routing. It is often contrasted with distributed gateway mode, where gateways reside on leaf nodes.Huawei Datacom Reference:"In centralized gateway mode, the spine node functions as the gateway and processes both inter-VNI routing and gateway services."(Source: HCIE- Datacom V1.0 Official Training - VXLAN & Fabric Networking Chapter, Section: VXLAN Gateway Deployment Modes)
NEW QUESTION # 116
If ISIS is used to transmit SIDs on an SR network, the node SIDs advertised by a Level-2 router are transmitted only within the same area.
Answer: B
Explanation:
Comprehensive and Detailed In-Depth
When IS-IS is used as the IGP (Interior Gateway Protocol) to advertise Segment Routing (SR) SIDs, the Level-2 (L2) router advertises node SIDs globally across the entire IS-IS domain, not just within a single area.
Level-1 (L1) routers only advertise within the local area, but L2 routers distribute information across multiple areas, enabling inter-area reachability.
Therefore, the statement is FALSE.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei IS-IS Configuration Guide
RFC 8667: Segment Routing with IS-IS
NEW QUESTION # 117
The following description of MP-BGP is incorrect?( Single choice questions).
Answer: D
NEW QUESTION # 118
In Huawei SD-WAN Solution, which of the following tunneling technologies is used to establish data channels?
Answer: C,D
Explanation:
Understanding Huawei SD-WAN Tunneling Technologies
Huawei SD-WAN uses secure tunneling to connect branches, data centers, and cloud services.
๐น Tunneling Technologies in SD-WAN:
โ
IPsec (Answer B) โ Provides secure encrypted tunnels over public or private networks.
โ
GRE over IPsec (Answer D) โ Encapsulates traffic inside GRE, then encrypts with IPsec, enabling support for multicast and non-IP traffic.
โ A. WLAN (Incorrect Choice) โ WLAN is a wireless technology, not a tunneling protocol.
โ C. MPLS (Incorrect Choice) โ MPLS is a core network transport technology but is not used to establish SD-WAN data channels directly.
Why are Answers B and D Correct?
โ
Huawei SD-WAN primarily uses IPsec for data encryption.
โ
GRE over IPsec is used when supporting multicast or dynamic routing protocols over tunnels.
โ
Reference: Huawei HCIE-Datacom Guide - SD-WAN Tunneling Mechanisms
NEW QUESTION # 119
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