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Huawei H12-921_V1.0 Exam Syllabus Topics:

Huawei HCIE-Data Center Network (Written) V1.0 Sample Questions:

1. Which of the following descriptions of dynamic NAT64 mapping is wrong when an IPv6 user accesses an IPv4 service?

A) Dynamic NAT64 technology converts a large number of IPv6 addresses into a small number of IPv4 addresses with the help of address pooling
B) 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
C) The NAT64 device creates a session table that records address mappings
D) DNS64 resolves the IPv4 service address and directly replies with the IPv4 address to the IPv6 user

2. Which of the following results is not supported by the service simu-lation function implemented on iMaster NCE-Fabric?

A) Verification and analysis of network configuration parameters
B) Network-wide impact analysis
C) Resource footprint assessment
D) Connectivity analysis

3. In the Multi-Site solution of the CloudFabric solution, if you want to achieve Layer 2 communication between sites, which of the following interconnection methods can be selected?

A) VLAN Hand-off
B) Segment VXLAN
C) Underlay way
D) End-to-end VXLAN

4. When the cloud platform creates a VM resource, it needs to call multiple components, such as Nova, Cinder, Glance, etc., and the authentication and authentication between the components depends on which of the following options?

A) Zun
B) Freezer
C) Watcher
D) Keystone

5. Which of the following options can be deployed in a lossless CloudFabric network to avoid the header blocking problem (HeadOfLineBlockingHOLB occurs?).

A) PFC Deadlock Prevention
B) INOF
C) AI ECN
D) PFC deadlock detection

Solutions: