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Huawei H12-921_V1.0 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Cloud Data Center and SDN | - Huawei CloudFabric solution concepts - SDN architecture and controllers |
| Data Center Network Architecture | - Cloud data center evolution and design models - Modern data center architecture principles |
| Data Center Storage and Virtualization | - Compute and network virtualization integration - Storage networking fundamentals |
| Data Center Network Technologies | - VXLAN and EVPN technologies
|
| High Availability and Security | - Security mechanisms in data center networks - Data center redundancy and HA design |
Huawei HCIE-Data Center Network (Written) V1.0 Sample Questions:
1. Which of the following is NOT a core component of Kubernetes?
A) kubelet
B) LoadBalancer
C) etcd
D) API Server
2. Which of the following descriptions of BD in a VXLAN network is correct?
A) In a VXLAN network, the BD and the VLAN tag of the connected service packet form a 1:N mapping
B) In a VXLAN network, BD is a local concept, and as long as the L2 VNI is the same on different leaves, it can be considered to be in the same large Layer 2 broadcast domain
C) Multiple BDs can share a single VBDIF interface
D) BD messages are encapsulated in VXLAN packets to identify a large Layer 2 broadcast domain
3. What are the correct descriptions of VXLAN Overlay multicast in the following descriptions?
A) BGP NG MVPN carries I-PMSI information for I-PMSI tunnel establishment
B) When deploying multicast using PIM-SM mode, separate RPs need to be deployed on both the underlay and the overlay
C) The VXLAN tunnel can still be configured as headend replication without special configuration
D) There is no need to deploy multicast in the underlay
4. Which of the following protocol standards is led by Huawei to solve the PFC head-resistance problem?
A) IEEE 802. 1AB
B) IEEE P802. 1CQ
C) IEEE 802. 1Qcp
D) IEEE P802. 1Qcz
5. Which of the following descriptions of dynamic NAT64 mapping is wrong when an IPv6 user accesses an IPv4 service?
A) After receiving the response packets from the servers on the IPv4 network, the NAT64 device converts the IPv4 packets into IPv6 packets based on the session table
B) DNS64 resolves the IPv4 service address and directly replies with the IPv4 address to the IPv6 user
C) Dynamic NAT64 technology converts a large number of IPv6 addresses into a small number of IPv4 addresses with the help of address pooling
D) The NAT64 device creates a session table that records address mappings
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: A,B | Question # 4 Answer: D | Question # 5 Answer: B |
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