Huawei H12-921_V1.0

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

1. 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) This solution will cause existing business interruption and can be used in scenarios that are not sensitive to service interruption
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 can quickly provide IPv6 services and smoothly evolve to the long-term goal of
"network-wide single-stack".
D) You need to add AAAA records on the DNS6 server and publish them externally

2. Which of the following descriptions of RDMA is wrong?

A) RDMA technology is widely used in scenarios such as HPC, AI, and storage, reducing CPU load and processing latency, and greatly improving application performance
B) RDMA requires the host CPU to participate in multiple copies of protocol stack memory, resulting in a sustained high load on the CPU
C) RDMA enables peripherals (such as network cards) to directly access the memory of the remote host
D) Unlike traditional TCP socket network interfaces, RDMA bypasses the operating system kernel and implements kernel bypass

3. Which of the following is the destination MAC address of the PFC backpressure frame?

A) 0080-c200-0002
B) 0180-c200-0001
C) 0100-5e00-0003
D) 0280-c200-0001

4. In the open-source OpenStack business model, which of the following is the mapping between the Router and the Network?

A) 1:N
B) N:N
C) 1:1
D) N:1

5. IN THE CLOUDFABRIC SOLUTION, WHEN USING MDC TO ROW AWS HAS A CLOUD NETWORK, IGWS IN THE AWS TYPE WILL BE PROJECTED AS WHICH OF THE FOLLOWING OPTIONS? ?

A) External Gateways
B) Logic Router
C) IGW routing table
D) TransitRouter

Solutions: