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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

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Huawei HCIE-Datacom V1.0 Sample Questions (Q304-Q309):

NEW QUESTION # 304
As shown in the figure, in the HUB & Spoke networking mode of MPLS BGPVPN, in order to achieve the division can only communicate with the headquarters, the division can not communicate with each other When setting up RT, which of the following scenarios is this?( Radio).

A. Headquarters: importTarget:1:1EpodTarget:3:3
B. Headquarters: Impot Target:2:2; Expor Target:3:3
C. Headquarters: importTarget: 12:3EpodTarget: 3:12
D. import Target:12:3EpodTarget:12:3

Answer: C

NEW QUESTION # 305
How long is an IPv6 prefix assigned to a host when an IPv6 address is configured for the host in SLAAC mode?

A. 96 bits
B. 64 bits
C. 32 bits
D. 128 bits

Answer: B

Explanation:
Stateless Address Autoconfiguration (SLAAC)is an IPv6 mechanism where a host automatically configures its ownglobal unicast addresswithout requiring a DHCPv6 server.
IPv6 Address Format in SLAAC:
First 64 bits#Network Prefix(received from the router's RA message).
Last 64 bits#Interface Identifier(generated using EUI-64 or a randomly assigned value).
Why is the Prefix Always 64 Bits?
SLAAC requires a/64 prefixbecause the host needsthe lower 64 bitsto generate a unique address.
IPv6 Neighbor Discovery (ND) and Address Autoconfiguration are designed for a /64 subnet mask.
Reference from Huawei HCIE-Datacom Documentation:
Huawei IPv6 Configuration Guide - SLAAC Addressing and Prefix Allocation HCIE-Datacom Training Material - IPv6 Stateless Address Autoconfiguration (SLAAC)

NEW QUESTION # 306
The Huawei SD-WAN solution has three types of channels. Drag the channel names to their corresponding callouts.

Answer:

Explanation:

Explanation:
A white line with black lines AI-generated content may be incorrect.
In Huawei ' sSD-WAN architecture, the following channels are defined:
Management Channel (Callout 1)
BetweeniMaster NCEandEdge devices.
Used for deviceregistration, configuration, and monitoring.
Encrypted with HTTPS.
Control Channel (Callout 2)
BetweenEdge devices and RR (Route Reflector).
Used forroute exchangeandcontrol signaling, typically overMPLS or Internet.
Data Channel (Callout 3)
BetweenEdge to Edge(e.g., HQ to branch).
Used for actualservice traffic transmission, carried overMPLS, Internet, or both.
Correct Mapping:
Management channel# Callout1(from iMaster NCE to Edge)
Control channel# Callout2(Edge to RR)
Data channel# Callout3(Edge to Edge, over MPLS/Internet)
Reference:Huawei HCIE-Datacom V1.0 Study GuideChapter:SD-WAN Architecture and ComponentsSection:
SD-WAN Channels - Control, Management, and Data

NEW QUESTION # 307
Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. HTTP is the most widely used network transmission protocol on the Internet. By default, which TCP port number is used?

Answer:

Explanation:
80
Explanation:
Understanding Huawei OPS and HTTP Communication
#What is Huawei OPS?
HuaweiOpen Programmability System (OPS)enablesAPI-based network automationusing standardHTTP requests.
It supportsNETCONF, RESTCONF, and RESTful APIsfordevice management.
#Why TCP Port 80?
Port 80is thedefault port for HTTP traffic.
Used forweb-based device management, API calls, and telemetry data exchange.
IfHTTPS (secure version) is used, the default port is 443.
Why is the Answer 80?
#HTTP operates on TCP port 80 by default.
#Huawei OPS uses HTTP APIs to manage network devices, making port 80 the standard option.
Real-World Application:
Cloud-Native Network Automation:UsesHTTP-based APIs for SDN controllers and automation tools.
Network Device Management:Enablesremote configuration and monitoring over HTTP APIs.
#Reference:Huawei HCIE-Datacom Guide - Open Programmability System (OPS) & HTTP Communication

NEW QUESTION # 308
MPLS is called multiprotocol label switching, and with respect to label descriptions in MPLS, the correct one is ?( Multiple select).

A. MPLS supports single-layer tags as well as multi-tier tags
B. A tag is a fixed-length, locally only meaningful identifier that uniquely identifies the FEC to which a group belongs
C. The MPLS system has a variety of label publishing protocols, such as LDP is a label publishing protocol
D. The label is carried by the head of the MPLS message and has a global significance, that is, the label value of all routers cannot repeat

Answer: A,B,C

NEW QUESTION # 309
......

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