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| Section | Objectives |
|---|---|
| Topic 1: Data Center Virtualization and SDN | - SDN architecture and controller-based networking - Network virtualization and tenant isolation - Huawei CloudFabric concepts |
| Topic 2: Data Center Network Architecture Principles | - Data center network topology design (Spine-Leaf) - Scalability and capacity planning - High availability and redundancy design |
| Topic 3: Deployment and Operations | - Data center network deployment planning - Troubleshooting methodologies - Monitoring and O&M practices |
| Topic 4: Data Center Switching and Routing Technologies | - OSPF and BGP in data center environments - VXLAN and overlay networking - Layer 2/Layer 3 forwarding mechanisms |
| Topic 5: Data Center Security and Reliability Design | - Security zoning and segmentation - Fault detection and recovery mechanisms - DDoS mitigation and access control |
1. (Reliability design is important for the physical network design of a data center. Which of the following are true about reliability design principles?)
A) Uplink reliability of leaf nodes: ECMP is implemented between leaf and spine nodes through multiple links.
B) Peer-link fault: When the peer-link in an M-LAG fails, the DAD mechanism prevents dual master devices on the network and improves reliability.
C) Server link reliability: One server is dual-homed to two server leaf nodes, and NICs on a server work in load balancing or active/standby mode. If one server link fails, services are switched to the redundant or standby link.
D) When modular switches are deployed on the network, the inter-card connection is recommended for uplinks and downlinks, stack link, and peer-link of modular switches to implement card-level reliability.
2. In manual mode, an Eth-Trunk is manually created and interfaces are manually added to the Eth-Trunk, without involving LACP. All active links load balance and forward data.
A) FALSE
B) TRUE
3. (In which solution, the VTEPs of a VXLAN tunnel can be both vSwitches and physical switches?)
A) VXLAN overlay
B) Hybrid overlay
C) Network overlay
D) Host overlay
4. Which of the following is not a requirement of AI computing on networks?
A) Fast and efficient load balancing
B) High-performance computing (HPC)
C) Quick congestion control
D) Traffic control in incast scenarios
5. Tenants apply for data center network, storage, and compute resources. One department can be regarded as one tenant, so an enterprise has multiple tenants, and the enterprise ' s data center can be managed by one tenant administrator.
A) FALSE
B) TRUE
Solutions:
| Question # 1 Answer: A,B,C,D | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: A |
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