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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: M-LAG | 9% | - Fundamentals of M-LAG - M-LAG failure protection - Overview of M-LAG - M-LAG deployment scenarios |
| Topic 2: Intelligent O&M of the CloudFabric Solution | 3% | |
| Topic 3: Four CloudFabric Service Automation Scenarios and Related Solutions | 4% | - Computing - OpenStack cloud-network integration - Kubernetes container network - Network virtualization |
| Topic 4: Technical Fundamentals of Data Communications Networks | 9% | - Network reliability - Basics of Ethernet switching - Network service and management - VPN - Network security - Network reachability |
| Topic 5: VXLAN and BGP EVPN | 10% | - Basic concepts of VXLAN - Overview of VXLAN and DCN virtualization - VXLAN fundamentals - Application of VXLAN on DCNs |
| Topic 6: CloudFabric Underlay and Overlay Network Design | 7% | |
| Topic 7: iMaster NCE-Fabric | 6% | |
| Topic 8: Huawei CloudFabric Solution | 17% | - Components of Huawei CloudFabric solution - Architecture and functions of Huawei CloudFabric solution - Basic concepts of Huawei CloudFabric solution |
| Topic 9: Intelligent Lossless Data Center Network | 8% | - Key technical principles of intelligent lossless Ethernet networks - Typical networking - Data center network in the era of intelligence |
| Topic 10: Typical DCN Design Guide | 11% | |
| Topic 11: Data Center Network Overview | 16% | - DC and DCN overview - Terms and key technologies of DCs |
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NEW QUESTION # 28
Multichassis Link Aggregation Group (M-LAG) bundles multiple physical links connecting ServerA (a device or host) to DeviceA and DeviceB into a logical link, and allows DeviceA and DeviceB to appear to ServerA as a single device, improving link reliability from card-level to device-level.
Answer: A
Explanation:
In Huawei data center networking, M-LAG (Multi-Chassis Link Aggregation Group) is a critical technology used to provide active-active access, high availability, and link redundancy . It allows a downstream device (such as a server) to establish a single logical Eth-Trunk across two separate physical switches (DeviceA and DeviceB).
From the server's perspective, both upstream switches appear as one logical device , which eliminates the need for protocols like STP and enables simultaneous forwarding on all active links . This significantly improves bandwidth utilization and avoids blocked links.
The key advantage highlighted in the statement is the improvement of reliability from card-level to device- level . In traditional single-device link aggregation, failures are limited to interface cards. However, with M- LAG, even if an entire switch (device-level failure) goes down, traffic continues to flow through the other active switch without interruption.
Huawei CloudFabric widely adopts M-LAG + VXLAN EVPN to ensure high reliability, fast convergence, and continuous service availability .
Therefore, the statement is TRUE .
NEW QUESTION # 29
UPS5000-A/E 400KVA and above models are divided into standard version and enhanced version.
The standard version is equipped with () isolation switch.
Answer: D
NEW QUESTION # 30
Compared with NXR, which of the following indicators of UPS5000-A (30kVA~120kVA) has advantages? (Multiple choice)
Answer: A,B,C,D
NEW QUESTION # 31
Can ECC800 support customized third-party devices?
Answer: A
NEW QUESTION # 32
(Which of the following statements is false about the access design of server leaf nodes?)
Answer: D
Explanation:
According to Huawei data center network design best practices, server access layer design emphasizes high reliability, scalability, and simplicity. Options A, B, and D correctly reflect Huawei recommendations. The number of leaf nodes is indeed determined by server scale and port requirements. Device selection must consider advanced features such as microsegmentation and IPv6 readiness. Additionally, bandwidth planning (downlink server access and uplink oversubscription ratios) is a critical design factor.
However, option C is incorrect. While M-LAG and standalone modes are commonly used in modern data center designs, stacking is generally not recommended in CloudFabric architectures. Huawei discourages stacking in spine-leaf fabrics because it introduces control plane complexity, reduces network scalability, and may create larger fault domains. Instead, M-LAG is preferred as it provides active-active forwarding, better fault isolation, and supports smooth upgrades without impacting services.
Therefore, stating that stacking is recommended is incorrect, making option C the false statement.
NEW QUESTION # 33
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