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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Network Automation Technologies and Practice	17%	- Huawei Automation Solutions 1. Configuration automation and deployment 2. eSight and iMaster NCE tools 3. API-based network operation and maintenance - Automation Foundation 1. YANG model and data modeling 2. Network programming basis and protocols
WAN Interconnection Network Planning and Deployment	8%	- WAN Service Optimization 1. WAN link reliability and load balancing 2. WAN security and isolation design - WAN Interconnection Technologies 1. SD-WAN architecture and Huawei solution 2. Traditional WAN connection technologies
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 - Network Quality and Optimization 1. QoS mechanism and deployment 2. Traffic engineering and MPLS technology - Advanced Routing Protocols 1. IS-IS protocol principles and deployment 2. BGP route control, policy and deployment 3. OSPF advanced features and optimization
Campus Network Planning and Deployment	23%	- Campus Network Service Deployment 1. WLAN planning and deployment 2. Campus network management and operation 3. User access management and security - Campus Network Architecture Design 1. Typical campus network structure and design principles 2. CloudCampus solution architecture and features

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Huawei HCIE-Datacom V1.0 Sample Questions (Q291-Q296):

NEW QUESTION # 291
Which of the following statements about IPSG is incorrect?

A. IPSG can be used to check the validity of IP packets. If IP packets are invalid, the device reports an alarm to an NMS.
B. IPSG is a source IP address filtering technology based on Layer 3 interfaces.
C. IPSG can defend against IP address spoofing attacks.
D. IPSG can be used to prevent hosts from changing IP addresses.

Answer: A

Explanation:
Comprehensive and Detailed
IP Source Guard (IPSG) is a Layer 3 security feature used to protect against IP address spoofing by filtering packets based on bound IP-MAC mappings.
Correct Statements:✔ IPSG is a Layer 3 filtering mechanism that checks if the source IP address of a packet matches the learned or configured bindings (Option B).✔ IPSG prevents unauthorized IP address changes by enforcing binding rules (Option C).✔ IPSG defends against IP spoofing attacks by dropping packets from unauthorized sources (Option D).
Incorrect Statement:❌ Option A is incorrect because IPSG does not send alarms to an NMS when an invalid packet is detected. Instead, it drops the packet.
Thus, the correct answer is A.
📖 Reference: Huawei HCIE Datacom Security Guide - IP Source Guard (IPSG)

NEW QUESTION # 292
The following statements about the VRRP protocol are correct (multiple choice).

A. VRRPv2 only applies to IPv4 networks, and VRRPv3 only applies to IPv6 networks
B. Both VRRPv2 and VRRPv3 support authentication
C. VRRPv3 does not support authentication, while VRRPV2 does
D. The owner of the Master IP address has a VRP priority of 255, and all configurable priorities range from
0 to 254

Answer: C

NEW QUESTION # 293
Router HW enables OSPF and router HW has the role of ABR and is configured with abr-summary, so which class LSA Will it be aggregated?( Multi-select) (confirmed).

A. 3 ?LSA
B. 2 ?LSA
C. 1 ?LSA
D. 4 ?LSA
E. 5 ?LSA

Answer: B,C

NEW QUESTION # 294
Two routers, connected together through the serial port, but can not ping between each other , now check the port status as follows: Can the following information determine what the cause is?

A. Subnet mask does not match the
B. Insufficient link bandwidth
C. The IP addresses on both ends are not on the same network segment
D. The link layer protocols on both ends are inconsistent

Answer: D

NEW QUESTION # 295
?? Route ? Policy ??:ip community-filter Ipermit 100: 1 ip as-path-filter 2 permit

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