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To prepare for the Huawei H12-891_V1.0 certification exam, candidates should have a thorough understanding of data communication technologies and should be familiar with the latest industry trends. It is recommended that candidates take a training course and use study materials to prepare for the exam.

The HCIE-Datacom V1.0 exam is designed to test the knowledge and skills of network engineers in several areas, including IP network principles, network architecture and design, network maintenance and troubleshooting, and network security. Candidates who pass H12-891_V1.0 exam are recognized as having the expertise and knowledge required to design, implement, and manage complex data communication networks. HCIE-Datacom V1.0 certification is highly valued in the industry and can help network engineers advance their careers and increase their earning potential.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a globally recognized certification program offered by Huawei. HCIE-Datacom V1.0 certification is designed for professionals who want to demonstrate their skills and knowledge in the field of data communication. HCIE-Datacom V1.0 certification exam provides an in-depth understanding of data communication technologies, including network design, protocols, and security.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q190-Q195):

NEW QUESTION # 190
Telemetry is a technology that remotely collects data from physical or virtual devices at high speed, and has a layered protocol stack. Which of the following layers isnotincluded in the telemetry protocol stack?

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Thetelemetry protocol stackis structured as follows:
Communication layer (A):Managesdata transmissionbetween the telemetry client (device) and the server.
Transport layer (B):Uses protocols such asgRPC, HTTP/2, or TCPto transmit telemetry data.
Data encoding layer (C):Encodes data using formats likeJSON, Protobuf, or XML.
TheData analysis layer (D)isnot part of the telemetry protocol stackitself.
Data analysis typically occursafter the data has been collected and receivedon the server or collector.
Telemetry focuses ondata collection, encoding, transport, and transmission, not on analysis.
Therefore, the correct answer isD.


NEW QUESTION # 191
In the Huawei SD-WAN Solution, which of the following routing protocols is used to advertise VPN routes between CPEs?

Answer: D

Explanation:
BGP in Huawei SD-WAN
Huawei SD-WAN uses BGP (Border Gateway Protocol) as the primary routing protocol to exchange VPN routes between Customer Premises Equipment (CPEs) and the controller.
✅ Why BGP is Used in SD-WAN?
Scalability: BGP can handle a large number of VPN routes.
Policy-Based Routing: BGP allows traffic engineering and policy control across SD-WAN tunnels.
Multiprotocol Support: Huawei SD-WAN uses MP-BGP to exchange IPv4, IPv6, and VPNv4 routes.


NEW QUESTION # 192
Flavors can be used to enhance SRv6 instructions to meet more diversified service requirements. Which of the following are flavors? (Select all that apply)

Answer: A,B,D

Explanation:
InSRv6 (Segment Routing over IPv6),flavorsare extensions to standard SRv6 instructions that define how theSegment Routing Header (SRH)is handled at specific points:
PSP (Penultimate Segment Pop): Instructs thepenultimate nodeto remove the SRH before reaching the last node ## USD (Ultimate Segment Decapsulation): Instructs thefinal segmenttoremove the SRH and IPv6 header, exposing the payload ## PSD (Penultimate Segment Decapsulation): Instructs thepenultimate nodeto remove the SRH and deliver the payload ## USP (Ultimate Segment Pop)isnot a standard flavorin Huawei SRv6 implementations ## Correct answers: A, B, D


NEW QUESTION # 193
As shown in the figure, when PE1 receives an ARP request packet, it forwards the packet to PE4. The packet then carries two labels. The label value 201 is carried by the EVPN Type ____ route. (Enter only digits.)

Answer:

Explanation:
3
Explanation:
Understanding EVPN (Ethernet VPN) Label Allocation and ARP Handling
# What Happens in This Scenario?
1##CE1 (192.168.1.1) sends an ARP request to discover the MAC address of CE2 (192.168.1.2).
2##PE1 receives the ARP request and needs to forward it over the EVPN fabric.
3##To send the broadcast ARP request across the EVPN network, PE1 forwards the packet to PE4 using BUM (Broadcast, Unknown unicast, and Multicast) forwarding.
4##PE4, as the Designated Forwarder (DF), forwards the ARP request to CE2.
Role of Labels in EVPN VXLAN/MPLS Networks
# EVPN uses BGP to distribute MAC/IP reachability information using different route types.
#EVPN Type 2 Route (MAC/IP Advertisement Route):
Used forMAC-to-IP address mappingannouncements.
Ensuresremote VTEPs (PE routers) learn MAC-to-IP bindingsdynamically.
#EVPN Type 3 Route (Inclusive Multicast Route):
Used forBUM traffic (Broadcast, Unknown Unicast, Multicast).
Assigns a multicast label (e.g., 201) to be used for forwarding broadcast packets like ARP requests.
# In this case:
Thelabel 201is used forBUM traffic forwarding.
BUM traffic is handled using an EVPN Type 3 route.
Why is the Answer 3?
#EVPN Type 3 routes carry labels for BUM traffic, which includes ARP requests.
#Label 201 is used for multicast distribution, which is managed by Type 3 routes.
Real-World Application:
VXLAN Data Centers:UsesEVPN Type 3 routes to control BUM traffic efficiently.
Campus Networks:Preventsunnecessary flooding of ARP requests across VXLAN domains.
#Reference:Huawei HCIE-Datacom Guide - EVPN BGP Route Types and Multicast Labeling


NEW QUESTION # 194
The following description of the process of sending and receiving data frames in switch interface Access mode is correct? ( Single choice questions).

Answer: C


NEW QUESTION # 195
......

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