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Huawei H12-891_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
WAN Interconnection Network Planning and Deployment8%- Inter-AS VPN
  • 1. Option A
  • 2. Option C
  • 3. Option B
- MPLS VPN
  • 1. Full-Mesh
  • 2. Hub-Spoke
- SD-WAN
  • 1. Architecture
  • 2. Orchestrator
Network Automation17%- NCE (Network Cloud Engine)
  • 1. Architecture
  • 2. Deployment
- iMaster NCE
  • 1. Intent-Driven Networking
- Automation Technologies
  • 1. RESTful API
  • 2. Ansible
  • 3. NETCONF/YANG
  • 4. Python Scripting
Advanced Routing and Switching Technology37%- Ethernet Switching
  • 1. Stack & CSS
  • 2. STP/RSTP/MSTP
  • 3. VXLAN
  • 4. VLAN
- BGP
  • 1. Configurations and Troubleshooting
  • 2. Basic Concepts
  • 3. Routing Policies
  • 4. Path Selection
  • 5. Route Aggregation
- IS-IS
  • 1. Configurations and Troubleshooting
  • 2. Basic Concepts
  • 3. Network Types
  • 4. Route Leaking
  • 5. Addressing
- MPLS
  • 1. Basic Concepts
  • 2. Configurations
  • 3. LDP
  • 4. MPLS VPN
  • 5. MPLS TE
- OSPF
  • 1. Configurations and Troubleshooting
  • 2. Route Calculation
  • 3. Basic Concepts
  • 4. Area Types
  • 5. LSA Types
- Route Control
  • 1. Route Filtering
  • 2. ACL
  • 3. IP Prefix List
  • 4. Route-policy
Campus Network Planning and Deployment23%- Overlay Network (VXLAN)
  • 1. VXLAN Gateway
  • 2. BGP EVPN
- Network Services
  • 1. Network Security
  • 2. QoS
  • 3. WLAN
- Underlay Network
  • 1. Physical Layer Design
  • 2. IP Address Planning
- Campus Network Architecture
  • 1. Spine-Leaf Architecture
  • 2. Hierarchical Design
Bearer WAN Planning and Deployment15%- VPN Services
  • 1. L3VPN
  • 2. EVPN
- Traffic Engineering
  • 1. Flex-Algo
  • 2. SR-TE
  • 3. RSVP-TE
- SR (Segment Routing)
  • 1. SRv6
  • 2. SR-MPLS

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Huawei HCIE-Datacom V1.0 Sample Questions (Q46-Q51):

NEW QUESTION # 46
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).

Answer: A

Explanation:
Understanding SSH Authentication and Key Exchange
๐Ÿ”น What Happens When an SSH Client Connects to a Server?
1๏ธโƒฃ 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).
2๏ธโƒฃ User Authentication Phase
After encryption keys are exchanged, the user authenticates using a username and password.
Why is the Answer FALSE?
โŒ Even with password authentication, SSH still performs key exchange to establish an encrypted session.
โœ… 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.
โœ… Reference: Huawei HCIE-Datacom Guide - SSH Key Exchange and Authentication


NEW QUESTION # 47
Refer to the following command output on the router R1. Which of the following statements isincorrect?
< R1 > display interface Tunnel
Tunnel0/0/0 current state : UP
Line protocol current state : UP
Last line protocol up time : 15:21:23 UTC-08:00
Description: ! 0.0.3.3
Route Port, The Maximum Transmit Unit is 1500
Internet Address is 20.1.1.1/24
Encapsulation is TUNNEL, loopback not set
Tunnel source 10.0.1.1 (LoopBack0), destination 10.0.3.3
Tunnel protocol/transport GRE/IP, key disabled
keepalive disabled
Checksumming of packets disabled
Current system time: 15:21:37-08:00
300 seconds input rate 0 bits/sec, 0 packets/sec
300 seconds output rate 0 bits/sec, 0 packets/sec
13 seconds input rate 0 bits/sec, 0 packets/sec
13 seconds output rate 448 bits/sec, 0 packets/sec
9 packets output, 824 bytes
0 output error
Input bandwidth utilization : -
Output bandwidth utilization : -

Answer: B

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Analyzing the output:
A). Key authentication is disabled for the tunnel:Correct. The output explicitly states " key disabled " .
B). The destination IP address of the tunnel is 10.0.3.3:Correct. The output shows " destination 10.0.3.3 " .
C). The tunnel is a GRE tunnel:Correct. The output states " Tunnel protocol/transport GRE/IP " .
D). Keepalive detection is enabled on the tunnel:Incorrect.The output clearly shows " keepalive disabled " .
Therefore, the correct answer isDbecause the tunnel doesnot have keepalive enabled.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei GRE Tunnel Configuration Guide


NEW QUESTION # 48
A company deployed SSM multicast, in order to save the bandwidth consumption of multicast data in the LAN, the network administrator made the following configuration on the switch

Answer: A


NEW QUESTION # 49
A client sends an HTTP request to a server, and the server sends back an HTTP response. Which of the following parameters isnotcarried in the HTTP response?

Answer: D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
AnHTTP responsefrom the server to the client typically includes the following components:
Protocol version (C):Specifies the HTTP version used (e.g., HTTP/1.1).
Status code (B):Indicates the response result (e.g., 200 for OK, 404 for Not Found).
Reason phrase (A):A textual description associated with the status code (e.g., " OK " , " Not Found " ).
Headers and Body:Contain additional information and the actual response content.
URI (D):TheUniform Resource Identifieris part of theHTTP requestand not theHTTP response. Therefore,Dis the correct answer.
Reference:
Huawei HCIE Datacom Official Certification Guide
RFC 7231: Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content


NEW QUESTION # 50
In the gRPC-based telemetry protocol, the data model layer consists of the RPC layer, telemetry layer, and service data layer. Drag the .proto file to the layer where the file should be located.

Answer:

Explanation:


NEW QUESTION # 51
......

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