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| Section | Objectives |
|---|---|
| Topic 1: Data Center Virtualization and SDN | - SDN architecture and controller-based networking - Huawei CloudFabric concepts - Network virtualization and tenant isolation |
| Topic 2: Data Center Security and Reliability Design | - Fault detection and recovery mechanisms - Security zoning and segmentation - DDoS mitigation and access control |
| Topic 3: Data Center Network Architecture Principles | - Scalability and capacity planning - High availability and redundancy design - Data center network topology design (Spine-Leaf) |
| Topic 4: Data Center Switching and Routing Technologies | - Layer 2/Layer 3 forwarding mechanisms - OSPF and BGP in data center environments - VXLAN and overlay networking |
| Topic 5: Deployment and Operations | - Troubleshooting methodologies - Monitoring and O&M practices - Data center network deployment planning |
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NEW QUESTION # 36
PowerCube500 does not require cable connection or installation. It can be directly installed on the pole. It takes only 10 minutes to complete installation, debugging and online operation.
Answer: A
NEW QUESTION # 37
(Which of the following statements is false about the access design of server leaf nodes?)
Answer: A
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 # 38
A server leaf node functions as a common NVE on a VXLAN network and provides access for firewalls and LBs.
Answer: B
Explanation:
In Huawei CloudFabric architecture, server leaf nodes and service leaf nodes have distinct roles, even though both can function as NVEs (Network Virtualization Edge devices) in a VXLAN network.
A server leaf node primarily provides access for compute resources , such as physical servers and virtual machines. It acts as a common NVE, handling VXLAN encapsulation/decapsulation for tenant traffic and enabling communication within the overlay network.
However, firewalls and load balancers (LBs) are classified as value-added service (VAS) devices and are typically connected to service leaf nodes , not standard server leaf nodes. Service leaf nodes are specifically designed to handle service insertion, traffic steering, and policy-based forwarding required for these devices.
Although in some simplified deployments roles may be combined, Huawei standard design clearly separates:
Server leaf # compute access
Service leaf # VAS device access (FW, LB, etc.)
Therefore, the statement is FALSE , as server leaf nodes do not typically provide access for firewalls and load balancers in standard CloudFabric architecture.
NEW QUESTION # 39
Which is the correct description of UPS5000-E bypass overload capacity?
Answer: C
NEW QUESTION # 40
Which circuit breaker is used in the main circuit of PDU8000 precision power distribution cabinet?
Answer: C
NEW QUESTION # 41
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