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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Campus Network Planning and Deployment	23%	- Campus Network Service Deployment 1. User access management and security 2. Campus network management and operation 3. WLAN planning and deployment - Campus Network Architecture Design 1. CloudCampus solution architecture and features 2. Typical campus network structure and design principles
Topic 2: WAN Interconnection Network Planning and Deployment	8%	- WAN Service Optimization 1. WAN security and isolation design 2. WAN link reliability and load balancing - WAN Interconnection Technologies 1. SD-WAN architecture and Huawei solution 2. Traditional WAN connection technologies
Topic 3: 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. Network programming basis and protocols 2. YANG model and data modeling
Topic 4: Advanced Routing and Switching Technologies	37%	- Network Quality and Optimization 1. QoS mechanism and deployment 2. Traffic engineering and MPLS technology - Advanced Routing Protocols 1. OSPF advanced features and optimization 2. IS-IS protocol principles and deployment 3. BGP route control, policy and deployment - Advanced Switching Technologies 1. VXLAN and EVPN principles and application 2. Ethernet protection and reliability technologies 3. Multicast routing and deployment
Topic 5: Bearer WAN Planning and Deployment	15%	- Bearer Network Architecture 1. Typical bearer network structure and requirements 2. CloudWAN solution and application scenarios - High-level Technology Deployment 1. Network slicing and service bearing 2. SRv6 principles and deployment

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Huawei HCIE-Datacom V1.0 Sample Questions (Q16-Q21):

NEW QUESTION # 16
Regarding BGP/MPLS IP VPN routing interactions, the following description is incorrect?

A. The ingress PE changes the IPv4 route received by the CE to the VPNv4 route, and the storage
B. PE is carried out according to different VPN instances What interacts with the CE is IPv 4 routing information
C. The egress PE can send an IPv4 route to the remote CE via BGP, IGP, or static routing
D. After receiving the VPNv4 route issued by the ingress PE, the egress PE filters the VPNv4 route according to the RT attribute carried by the route

Answer: C

NEW QUESTION # 17
When troubleshooting a local area network, you notice a large number of frame alignment errors, FCS errors and LAG conflicts, and the possible cause of these problems is ?

A. on a 10/1000/1000base-T Ether link This type of error occurs in most environments
B. Switches and terminals are interconnected over 10/100/1000base-T Ethernet links, and switches and terminals operate in half-duplex mode
C. There is a mode mismatch on the 1000base-LX/LH link
D. The operating mode does not match

Answer: D

NEW QUESTION # 18
You want only his telnet stream to be able to access the server (address 1011.100). Then, you add the following ACL to the routing ring: nule5pemit cp source ny destination 1011.100000destination-porteq 23 rule
1l0 deny ip source any destination any Then you apply that ACL to the ingress direction of the router's seial interface. What type of message is allowed to pass through the router?( Multiple choice questions).

A. Non-first-sharded messages that use port 23 to access the server's message
B. A non-sharded, port 21-accessing packet
C. Non-first-of-sharded messages to access other hosts
D. Packet answer for the first sharded or non-sharded, using port 23 to access the server
E. Non-first-of-its-kind packets that use port 21 to access the server

Answer: A,D,E

NEW QUESTION # 19
When an SSH client logs in to an SSH server that is configured only with username and password authentication in SSH mode, the key exchange phase is not involved (no key is generated).

A. TRUE
B. FALSE

Answer: B

Explanation:
Understanding SSH Authentication and Key Exchange
🔹 What Happens When an SSH Client Connects to a Server?
1️⃣ Key Exchange Phase (KEX)
Even if only password authentication is used, SSH still performs key exchange.
The server and client negotiate encryption keys using algorithms like Diffie-Hellman (DH).
2️⃣ User Authentication Phase
After encryption keys are exchanged, the user authenticates using a username and password.
Why is the Answer FALSE?
❌ Even with password authentication, SSH still performs key exchange to establish an encrypted session.
✅ The SSH session is always encrypted using cryptographic keys generated during KEX.
Real-World Application:
Secure Remote Access: Protects login credentials from MITM (Man-in-the-Middle) attacks.
Cloud & Datacenter Networks: Ensures secure SSH connections across remote infrastructure.
✅ Reference: Huawei HCIE-Datacom Guide - SSH Key Exchange and Authentication

NEW QUESTION # 20
Network Admission Control (NAC) needs to be deployed on the network shown in the figure. Drag a proper authentication mode to each authentication point.

Answer:

Explanation:

NEW QUESTION # 21
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