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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Center Network Basic Knowledge | 15% | - VXLAN and Overlay Technologies - Data Center and DCN Fundamentals |
| Topic 2: Advanced Technologies and Applications of Data Center Networks | 31% | - Virtualization and OpenStack Networking - Kubernetes and Container Networking |
| Topic 3: Huawei CloudFabric Solution | 30% | - CloudFabric Deployment Scenarios - CloudFabric Architecture and Components |
| Topic 4: Data Center Network Operation and Maintenance | 16% | - O&M Best Practices - iMaster NCE-Fabric O&M Tools |
| Topic 5: Data Center Network Planning and Design | 8% | - Underlay and Overlay Design Principles - Multi-Pod and Multi-Site Solutions |
Question 1
Which of the following descriptions of lossless network prioritization design for multivariate computing is wrong?
A. In a VXLAN lossless network, switching devices can directly schedule traffic based on the priority of the IP header in the inner layer of VXLAN
B. Huawei data center switches support the 8021p priority-based PFC function
C. Huawei data center switches support the PFC function based on DSCP priority
D. You need to plan a separate priority queue for RoCE traffic and enable the PFC feature
Question 2
In the DCQCN algorithm, which of the following roles sends ECN set packets?
A. NP
B. RP
C. DP
D. CP
Question 3
Which of the following descriptions of firewalls is wrong when deploying a data center network?
A. After different security zones are divided on the firewall, the different security zones are isolated by default
B. Firewalls can be deployed in active and standby image mode to enhance reliability
C. The firewall can be managed through SecoManager, but the service needs to be configured manually
D. Firewalls can be deployed alongside Border Leaf to control secure access to incoming and outgoing traffic
Question 4
Which of the following describes the error in CloudFabric's ZTP solution?
A. Link comparison after the device is brought online
B. Supports underlay network detection
C. In the in-band networking scenario, the iMaster NCE-Fabric must manage the root device
D. In out-of-band networking, iMaster NCE-Fabric must manage out-of-band management switches
Question 5
There are different scenarios for the service orchestration of the data center overlay network, which of the following scenarios needs to be unified through the cloud platform to realize the virtualization and resource pooling of computing, storage, and network resources in the DC?
A. Cloud-network integration scenario
B. Calculate the linkage scenario
C. Rack rental scenario
D. Container network scenario
Solutions:
| Question 1 Answer: A | Question 2 Answer: D | Question 3 Answer: C | Question 4 Answer: D | Question 5 Answer: A |
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