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| Section | Weight | Objectives |
|---|---|---|
| Intelligent O&M of the CloudFabric Solution | 3% | |
| CloudFabric Underlay and Overlay Network Design | 7% | |
| M-LAG | 9% | - Fundamentals of M-LAG - Overview of M-LAG - M-LAG failure protection - M-LAG deployment scenarios |
| Data Center Network Overview | 16% | - Terms and key technologies of DCs - DC and DCN overview |
| iMaster NCE-Fabric | 6% | |
| Technical Fundamentals of Data Communications Networks | 9% | - VPN - Network reliability - Network reachability - Network security - Basics of Ethernet switching - Network service and management |
| Intelligent Lossless Data Center Network | 8% | - Key technical principles of intelligent lossless Ethernet networks - Typical networking - Data center network in the era of intelligence |
| Huawei CloudFabric Solution | 17% | - Architecture and functions of Huawei CloudFabric solution - Basic concepts of Huawei CloudFabric solution - Components of Huawei CloudFabric solution |
| VXLAN and BGP EVPN | 10% | - Application of VXLAN on DCNs - Overview of VXLAN and DCN virtualization - VXLAN fundamentals - Basic concepts of VXLAN |
| Typical DCN Design Guide | 11% | |
| Four CloudFabric Service Automation Scenarios and Related Solutions | 4% | - Network virtualization - OpenStack cloud-network integration - Computing - Kubernetes container network |
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NEW QUESTION # 18
The national public security department will establish three levels of cloud computing centers at the ministry, provincial and municipal levels.
Answer: A
NEW QUESTION # 19
(What are the application scenarios of the overlay network?)
Answer: A,B,C,D
Explanation:
Huawei data center design documents clearly state that overlay networks (typically based on VXLAN EVPN) are highly versatile and support multiple application scenarios across modern and traditional environments.
In private cloud scenarios , overlay networks enable resource pooling and seamless data center interconnection, allowing flexible workload migration and multi-tenant isolation. For traditional IDC hosting services , overlays provide improved scalability and tenant isolation compared to VLAN-based designs, making them suitable for legacy-to-cloud evolution.
In public cloud environments (IaaS/PaaS/SaaS) , overlay networks are essential for large-scale multi-tenancy, enabling logical network segmentation, automation, and elastic service provisioning. Similarly, in NFV cloud scenarios , overlays integrate with SDN and NFV architectures to support virtualized network functions, service chaining, and dynamic service deployment.
Huawei CloudFabric emphasizes that overlay technology is not limited to a single use case but is a foundational technology across all modern data center architectures. Therefore, all listed options are valid application scenarios.
NEW QUESTION # 20
Which of the following technologies or protocols natively support encryption?
Answer: C,D
Explanation:
In Huawei data center and network security architecture, native encryption support is a key differentiator between tunneling technologies and secure communication protocols.
SSL VPN (C) and IPsec VPN (D) both provide built-in encryption mechanisms . SSL VPN uses TLS/SSL protocols to encrypt application-layer traffic, making it suitable for secure remote access. IPsec VPN operates at the network layer and provides confidentiality, integrity, and authentication through protocols such as ESP (Encapsulating Security Payload), making it widely used for site-to-site and data center interconnection security.
On the other hand, VXLAN (A) and GRE (B) are encapsulation/tunneling technologies that do not inherently provide encryption. VXLAN is used for overlay networking (e.g., tenant isolation in CloudFabric), while GRE is used for simple tunneling across IP networks. Both require additional security mechanisms (such as IPsec) if encryption is needed.
Huawei CloudFabric design guidelines clearly separate overlay encapsulation (VXLAN) from security protocols (IPsec/SSL) , emphasizing that encryption must be implemented using dedicated security technologies.
Therefore, the correct answers are C and D .
NEW QUESTION # 21
In NETECO's report management, which of the following types of periodic tasks? (Multiple choice)
Answer: A,B,C,D
NEW QUESTION # 22
How long does it take to perform a switchover in M-LAG 2.0 upon a single point of failure?
Answer: A
Explanation:
Huawei M-LAG 2.0 is designed to provide ultra-fast convergence and high availability in modern data center networks. One of its key enhancements over traditional M-LAG implementations is the ability to achieve fast fault detection and rapid switchover , minimizing service interruption.
In the event of a single point of failure (such as link or device failure), M-LAG 2.0 leverages mechanisms like BFD (Bidirectional Forwarding Detection) and optimized peer-link synchronization to quickly detect failures and redirect traffic. The switchover time is typically around 5 milliseconds , ensuring near hitless failover for critical services.
This ultra-fast convergence is particularly important for applications such as AI workloads, financial systems, and real-time services , where even small delays can impact performance.
Compared to traditional technologies (which may take tens or hundreds of milliseconds), Huawei M-LAG 2.0 significantly improves network reliability, service continuity, and user experience .
Therefore, the correct answer is C (5 ms) .
NEW QUESTION # 23
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