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| Section | Weight | Objectives |
|---|---|---|
| Data Center Network Security and O&M | 10% | - Network Troubleshooting Methods - Network Security Policies - Traffic Audit and Monitoring - iMaster NCE-FabricInsight Analytics |
| Underlying Transport Network Technologies | 15% | - Spine-Leaf Architecture - Underlay Network Planning and Design - Overlay Network Technologies (VXLAN, NVGRE) |
| Data Center Interconnect | 10% | - Cross-Domain VXLAN Extension - DCI Technology Overview - EVPN Multi-Site Solution |
| iMaster NCE-Fabric Management | 15% | - Overlay Network Configuration - Fabric Management Concepts - Network Simulation and Verification - Underlay Network Automation Deployment |
| CloudFabric Data Center Network Solution Overview | 10% | - Data Center Network Challenges and Trends - CloudFabric Solution Components and Functions - Huawei CloudFabric Solution Architecture |
| VXLAN and EVPN Technologies | 20% | - VXLAN Principles and Deployment - BGP EVPN Fundamentals - EVPN Route Types and Applications - Multi-Site VXLAN EVPN Deployment |
| CloudEngine Switch Configuration | 20% | - QinQ and VLAN Extension Technologies - BGP EVPN Configuration - CloudEngine OS Overview - VXLAN Configuration on CloudEngine |
H12-893_V1.0ガイドの質問は、多くの利点とさまざまな機能を後押しします。購入前にH12-893_V1.0試験問題を無料でダウンロードして試用することができます。購入手続きは簡単で迅速です。 H12-893_V1.0試験問題を数分で受け取ることができます。選択できる3つのバージョンがあります。 H12-893_V1.0試験の急流を学び、試験の準備をする時間はほとんど必要ありません。合格率とヒット率は非常に高いです。 H12-893_V1.0試験に合格すると、大企業に入社して賃金を2倍にするなど、多くのメリットが得られます。
質問 # 42
A tenant requires independent Layer 3 routing tables while sharing the same physical VXLAN fabric with other tenants. Which technology provides logical separation of routing information?
正解：D
解説：
A VRF maintains independent routing tables, allowing multiple tenants to coexist without exchanging routing information. VLAN separates Layer 2 domains only, while MSTP and LACP address spanning tree and link aggregation respectively.
質問 # 43
A VXLAN tunnel is identified by a pair of VTEP IP addresses. During VXLAN tunnel establishment, the local and remote VTEPs attempt to obtain each other's IP addresses. If the VTEP IP addresses are reachable to each other at Layer 3, a VXLAN tunnel can be established.
正解：A
解説：
VXLAN (Virtual Extensible LAN) tunnels are used to encapsulate Layer 2 traffic over a Layer 3 network, a key feature in Huawei's data center solutions. The endpoints of a VXLAN tunnel are VXLAN Tunnel Endpoints (VTEPs), identified by their IP addresses.
Tunnel Identification: A VXLAN tunnel is uniquely identified by the pair of VTEP IP addresses (local and remote), along with the VNI (VXLAN Network Identifier). This pair ensures the tunnel is specific to the communication path between the two VTEPs.
Tunnel Establishment: During setup, VTEPs exchange information to learn each other's IP addresses. This can occur manually (static configuration) or dynamically (e.g., via BGP EVPN).
The underlay network must provide Layer 3 reachability between the VTEP IP addresses, typically using routing protocols (e.g., OSPF, BGP) to ensure IP connectivity.
Reachability Condition: If the local and remote VTEP IP addresses are reachable at Layer 3, the tunnel can be established, allowing encapsulation and decapsulation of VXLAN traffic. This is a fundamental requirement in Huawei's VXLAN implementation.
The statement is TRUE (A) because a VXLAN tunnel's identification and establishment depend on reachable VTEP IP address pairs at Layer 3.
質問 # 44
Which of the following statements are true about the Easy mode? (Select All that Apply)
正解：A、B、D
解説：
The Easy mode in Huawei's iMaster NCE-Fabric simplifies network deployment for basic VXLAN fabrics. Let's evaluate each statement:
A . This mode has low networking requirements: This is true. Easy mode is designed for simple topologies (e.g., small spine-leaf networks) with minimal configuration complexity. TRUE.
B . iMaster NCE-Fabric automatically generates configuration script files: This is true. Easy mode automates script generation based on user inputs, reducing manual effort. TRUE.
C . On iMaster NCE-Fabric, you need to manually create and configure fabric resource pools, managed devices, device groups, device roles, tenants, and VPCs one by one in the Configuration Wizard menu: This is false. Easy mode automates these tasks, minimizing manual configuration compared to advanced modes. FALSE.
D . Layer 2 and Layer 3 basic services in a VPC are orchestrated on the Easy page: This is true. Easy mode supports automated orchestration of L2 (e.g., BDs) and L3 (e.g., gateways) services within a VPC. TRUE.
Thus, A, B, and D are true statements about Easy mode.
質問 # 45
A VXLAN tunnel is identified by a pair of VTEP IP addresses. During VXLAN tunnel establishment, the local and remote VTEPs attempt to obtain each other's IP addresses. If the VTEP IP addresses are reachable to each other at Layer 3, a VXLAN tunnel can be established.
正解：A
解説：
VXLAN (Virtual Extensible LAN) tunnels are used to encapsulate Layer 2 traffic over a Layer 3 network, a key feature in Huawei's data center solutions. The endpoints of a VXLAN tunnel are VXLAN Tunnel Endpoints (VTEPs), identified by their IP addresses.
Tunnel Identification: A VXLAN tunnel is uniquely identified by the pair of VTEP IP addresses (local and remote), along with the VNI (VXLAN Network Identifier). This pair ensures the tunnel is specific to the communication path between the two VTEPs.
Tunnel Establishment: During setup, VTEPs exchange information to learn each other's IP addresses. This can occur manually (static configuration) or dynamically (e.g., via BGP EVPN). The underlay network must provide Layer 3 reachability between the VTEP IP addresses, typically using routing protocols (e.g., OSPF, BGP) to ensure IP connectivity.
Reachability Condition: If the local and remote VTEP IP addresses are reachable at Layer 3, the tunnel can be established, allowing encapsulation and decapsulation of VXLAN traffic. This is a fundamental requirement in Huawei's VXLAN implementation.
The statement is TRUE (A) because a VXLAN tunnel's identification and establishment depend on reachable VTEP IP address pairs at Layer 3.
質問 # 46
The figure shows an incomplete VXLAN packet format.
Which of the following positions should the VXLAN header be inserted into so that the packet format is complete?
正解：B
解説：
The VXLAN header should follow the UDP header (Position 3), but since Position 3 is not an option and the insertion point is before the Inner Ethernet Header (Position 4), the question's options seem misaligned. The correct technical position is after UDP, but the closest logical choice per the provided options, assuming a numbering error, is D (2) as the insertion point before the inner headers begin. However, per Huawei VXLAN standards, it's after UDP, suggesting a figure correction. The answer is D (2) based on the given options' intent.
質問 # 47
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ちなみに、Tech4Exam H12-893_V1.0の一部をクラウドストレージからダウンロードできます：https://drive.google.com/open?id=1TALi74iXKkUdfOqqygaJWCC3p2j9j2yq