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

1. In the DCQCN algorithm, which of the following is handled when the RP receives a CNP packet?

A) The RP sends an ECN set packet
B) The RP pauses packet sending
C) The RP sends a PFC counterpressure
D) RP reduces the packet send rate

2. When service packets are connected to a VXLAN network through a Layer 2 sub-interface, different flow encapsulation types need to be configured on different Layer 2 sub-interfaces The same physical interface can access different data packets. Which of the following is NOT a stream encapsulation type that is supported by a Layer 2 sub-interface?

A) QinQ
B) Trunk
C) Untag
D) Dotlq

3. As shown in the figure, in the Multi-Site scenario of the CloudFabric solution, traffic destined for VM2 to VM1 passes through the two fabrics in the order of which of the following options GW's VRF?

A) VRF2->VPC1 VRF
B) VPC2 VRF->VPC1 VRF
C) VRF2->VRF1
D) VPC2 VRF->VRF 1

4. Which of the following descriptions of Kubernetes' network solution, Macvlan, is wrong?

A) Macvlan is an L2 bridging scheme
B) Macvlan is one of the features of Linux Kernel, and it is also a network solution that can be natively supported by Docker
C) MACVLAN requires the physical NIC to support promiscuous mode, the container gateway is on the physical switch, and the container IP relies on manual configuration and management
D) The Macvlan scheme naturally supports automatic assignment of container IP addresses

5. Which one is wrong in the description of the initial IPV6 transformation plan of the data center network, "IPv6 single stack in the new Internet access area"?

A) You need to add AAAA records on the DNS6 server and publish them externally
B) In the IPv6 Internet access area, you need to add an IPv6 access line to connect with the ISP to support IPv6 user access
C) This solution will cause existing business interruption and can be used in scenarios that are not sensitive to service interruption
D) This solution can quickly provide IPv6 services and smoothly evolve to the long-term goal of
"network-wide single-stack".

Solutions: