H12-921_V1.0試験無料問題集（241題）「Huawei HCIE-Data Center Network (Written) V1.0 認定」

出題：1

Which of the following descriptions of VNI in a VXLAN network is correct?

A. L2 VNI is used to forward VXLAN packets on the same subnet, and different BDs can also use the same L2 VNI to achieve Layer 2 communication on VXLAN networks. All VXLAN packets carry both L2 VNI and L3 VNI

B. A tenant can have one or more VNIs with a VNI length of 16 bits, supporting millions of tenants

C. L3 VNI is associated with a VPN instance to forward VXLAN packets across subnets, and VPIN instances associated with different L3 VNIs only need to be RT Values can be matched to achieve interoperability

正解：A 解答を投票する

出題：2

What is correct about the following description of Docker?

A. Docker containers are created based on images, and a running container is a process running on a Docker host

B. Image files are stored centrally in a repository and can be public or private

C. Image in Docker can be regarded as a special file system, which only provides the programs required by the container runtime, and the libraries, resources, configurations, and other files required by the container runtime are hosted by the host Machine OS provides

D. The Docker engine obtains the image from the repository and runs the container on the corresponding host

正解：A,B,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

Which of the following data center deployment scenarios is typically used to achieve business continuity and ensure uninterrupted service to users in the event of a failure?

A. Edge DC

B. Two places and three centers

C. Hybrid cloud

D. Intra-city active-active

正解：B,C,D 解答を投票する

出題：4

When using one of the following network modes, the communication between the Docker machine and the external network needs to be realized through NAT?

A. None

B. Bridge

C. Host

D. Container

正解：C 解答を投票する

出題：5

Which of the following is not included in an open-source OpenStack node?

A. Control nodes

B. Network nodes

C. Service nodes

D. Compute nodes

正解：C 解答を投票する

出題：6

Which of the following describes the error in the CloudFabric network virtualization scenario?

A. When the compute administrator creates the VM, select the PortGroup for the corresponding network

B. Compute administrators manage compute resources through VMM

C. Network administrators control the network through iMaster NCE-Fabric

D. iMaster NCE-Fabric obtains the connection between the host and the TOR port through VMM

正解：D 解答を投票する

出題：7

Which concept in the MDC orchestration model is mapped to the TGW routing table in the AWS public cloud model in the CloudFabric solution?

A. TransitRouter

B. TGW Router

C. External gateways

D. TransitVAS

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：8

Which of the following descriptions of ECN markers in VXLAN packets is correct in a VXLAN scenario?

A. Located at the head of the inner L2 Ethernet layer

B. Located at the head of the inner IP layer

C. Located at the head of the outer IP layer

D. Located at the head of the outer L2 Ethernet layer

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：9

Which of the following options is NOT part of the application layer in the AI industry?

A. Autonomous driving

B. Machine learning

C. Smart speaker

D. Robots

正解：B 解答を投票する

出題：10

Which of the following descriptions of data center interconnection solutions is wrong?

A. The E2E EVPNVXLAN mode directly establishes a VXLAN tunnel between the VTEPs in two data centers

B. The VLAN hand-off mode enables L2 communication between data centers

C. In SegmentVXLAN mode, EVPN routes are transmitted in a three-stage mode to implement L3 communication between data centers

D. After a VXLAN is established in the local mode in the segment VXLAN mode, packets are encapsulated with the local DCILeaf when they arrive at the local DCI Leat and are sent to the peer DCI Leat VNI, not the VNI of the peer DCI Leaf

正解：D 解答を投票する

出題：11

Which of the following descriptions of the data plane intent verification function of iMaster NCE-FabricInsight is incorrect?

A. This function can determine whether the actual forwarding behavior of the network is consistent with the user's service intent

B. This function verifies the connectivity of the entire network and tests whether there are problems such as routing black holes and routing loops in the network

C. Data plane intent verification verifies the impact of configuration changes on the network in advance through pre-simulation modeling

D. This feature is modeled based on data plane information, such as routing forwarding entries and ARP entries

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：12

What are the correct items in the following descriptions of the design of the CloudFabric intelligent lossless multivariate computing physical network?

A. To ensure high reliability on the access side, the server must be single-homed to the LEAF switch

B. Leaf switches can be deployed independently

C. The number of Spine switches needs to be considered based on the total number of upstream interfaces across all Leaf switches

D. You can choose a two-layer or three-layer networking architecture based on the scale

正解：B,C,D 解答を投票する

出題：13

Which of the following IPv6 transformation solutions for data center networks only needs to transform the egress gateway to support IPV4/IPv6 dual-stack services, which requires less transformation effort and less impact on existing network services?

A. Dual-stack transition and transformation scheme for Internet access area

B. Create an IPv6 single-stack solution for Internet access zones

C. Dual-stack renovation scheme for Internet access area

D. Export NAT64 retrofit scheme

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：14

In an HPC solution, which of the following nodes is typically installed on a GPU?

A. Fat nodes

B. Accelerate the node

C. MPI node

D. Log in to the node

正解：B 解答を投票する

H12-921_V1.0試験無料問題集「Huawei HCIE-Data Center Network (Written) V1.0 認定」