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| Section | Weight | Objectives |
|---|---|---|
| VXLAN Technology Principles and Applications | 25% | - VXLAN fundamentals and evolution - EVPN control plane technology - VXLAN deployment and configuration |
| Data Center Network Operation and Maintenance | 25% | - Intelligent O&M solutions
- Automated O&M and programmability |
| Data Center Network Planning and Deployment | 30% | - Network deployment and provisioning
- CloudFabric solution architecture
|
| Virtualization Technology Principles and Applications | 20% | - Server and network virtualization basics - Huawei FusionCompute platform
|
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NEW QUESTION # 33
Which of the following statements are true about common storage types used by enterprises?
Answer: A,D
Explanation:
Comprehensive and Detailed in Depth
A . FTP servers are typically used for file storage.
This is correct. FTP (File Transfer Protocol) servers are indeed a common way to store and share files. They are widely used for basic file storage and transfer needs.
B . Object storage devices are typically disk arrays.
This is incorrect. Object storage devices are not typically disk arrays in the traditional sense. Object storage is designed for massive amounts of unstructured data. While they use disks for persistence, they present data as objects with metadata, rather than as blocks or files. Object storage solutions often use distributed systems across many servers, not just a single array.
C . Block storage applies to databases that require high I/O.
This is correct. Block storage is ideal for applications that demand high I/O performance, such as databases. Block storage provides raw, unformatted data blocks, giving applications direct control and low latency.
D . Block storage typically applies to remote backup storage.
This is partially true, but not the typical primary use case. While block storage can be used for remote backups, it is generally considered less efficient and more expensive than object storage for this purpose. Object storage is better suited for large, unstructured backup datasets. Block storage is better for applications that need fast read/write speeds, such as databases and virtual machines.
Therefore, the correct answers are A and C.
Reference to Huawei Data Center Network documents:
Huawei storage product documentation detailing block storage (e.g., OceanStor Dorado), file storage, and object storage (e.g., OceanStor Pacific) characteristics and use cases.
Huawei white papers on data center storage architectures, which compare and contrast different storage types.
Huawei HCIP-Storage training materials, which will have very detailed information regarding each of the storage types, and their use cases.
NEW QUESTION # 34
In EVPN Type 3 routes, the MPLS Label field carries a Layer 3 VNI.
Answer: A
Explanation:
EVPN (Ethernet VPN) is a control plane technology used with VXLAN in Huawei's data center networks to provide Layer 2 and Layer 3 connectivity. EVPN routes are advertised using BGP, with different types serving specific purposes. Type 3 routes (Inclusive Multicast Ethernet Tag routes) are used for multicast or BUM (Broadcast, Unknown Unicast, Multicast) traffic handling in VXLAN networks.
MPLS Label Field: In MPLS (Multiprotocol Label Switching), the label field is used to identify the forwarding equivalence class (FEC) or virtual circuit. In EVPN with VXLAN, MPLS labels can be used in underlay networks, but VXLAN itself relies on a VNI (VXLAN Network Identifier) in the VXLAN header for overlay segmentation.
Layer 3 VNI: A Layer 3 VNI is associated with inter-subnet routing in EVPN, typically carried in Type 5 routes (IP Prefix routes) for Layer 3 forwarding. Type 3 routes, however, focus on multicast distribution and carry a Layer 2 VNI or multicast group information, not a Layer 3 VNI.
MPLS Label in Type 3 Routes: The MPLS label in Type 3 routes, if used, identifies the VXLAN tunnel or multicast group, not a Layer 3 VNI. The Layer 3 VNI is specific to Type 5 routes for routing between subnets, not Type 3's multicast focus.
Thus, the statement is FALSE (B) because the MPLS Label field in EVPN Type 3 routes does not carry a Layer 3 VNI; it relates to Layer 2 multicast or tunnel identification.
NEW QUESTION # 35
Which of the following operations need to be performed before deployment in Easy mode?
(Select All that Apply)
Answer: A,C
Explanation:
The Easy mode in Huawei's iMaster NCE-Fabric simplifies VXLAN fabric deployment with automated configuration. Certain pre-deployment steps are required. Let's evaluate each option:
A). Disable data synchronization upon going online for the first time: This is false. Data synchronization is typically enabled by default to ensure consistency; disabling it is not a standard pre-deployment step and is optional based on specific needs. FALSE.
B). Load the license: This is true. A valid license must be loaded into iMaster NCE-Fabric before deployment to unlock features, including Easy mode functionality. TRUE.
C). Pre-configure the access ports: This is true. Access ports on devices (e.g., server leaf nodes) need to be pre-configured (e.g., with VLANs or basic settings) to ensure connectivity before Easy mode automation begins. TRUE.
D). Configure an SSH fingerprint verification policy: This is false. SSH fingerprint verification is part of security configuration but is not a mandatory pre-deployment step for Easy mode; it can be set post- deployment or is automated. FALSE.
Thus, B (Load the license) and C (Pre-configure the access ports) are required operations before deployment in Easy mode.
NEW QUESTION # 36
In the DCN architecture, spine nodes connect various network devices to the VXLAN network.
Answer: A
Explanation:
In Huawei's Data Center Network (DCN) architecture, particularly with the CloudFabric solution, the spine-leaf topology is a common design for scalable and efficient data centers. VXLAN (Virtual Extensible LAN) is used to create overlay networks, enabling large-scale multi-tenancy and flexible workload placement.
Spine Nodes' Role: In this architecture, spine nodes act as the backbone, interconnecting leaf nodes (which connect to servers, storage, or other endpoints) and facilitating high-speed, non-blocking communication. Spine nodes typically handle Layer 3 routing and serve as VXLAN tunnel endpoints (VTEPs) or connect to devices that do, integrating the physical underlay with the VXLAN overlay network.
Connection to VXLAN: Spine nodes ensure that traffic from various network devices (via leaf nodes) is routed efficiently across the VXLAN fabric. They provide the high-bandwidth, low-latency backbone required for east-west traffic in modern data centers, supporting VXLAN encapsulation and decapsulation indirectly or directly depending on the deployment.
Thus, the statement is TRUE (A) because spine nodes play a critical role in connecting the underlay network (various devices via leaf nodes) to the VXLAN overlay, as per Huawei's DCN design principles.
NEW QUESTION # 37
Fill in blank
The FusionCompute logical architecture consists of two modules: ___ and CNA. (Enter the acronym in uppercase letters.)
Answer:
Explanation:
VRM
Explanation:
FusionCompute is Huawei's virtualization platform, part of the FusionSphere ecosystem, designed for managing virtualized resources in data centers. Its logical architecture consists of two primary modules:
VRM (Virtualization Resource Management): VRM is the management module responsible for centralized control, resource allocation, and monitoring of virtual machines, hosts, and clusters. It provides the user interface and orchestration capabilities for administrators to manage the virtualized environment.
CNA (Compute Node Agent): CNA runs on physical hosts and handles the execution of virtualization tasks, such as VM creation, resource scheduling, and communication with the underlying hypervisor (typically KVM in Huawei's implementation). It acts as the compute node agent interfacing with the hardware.
Together, VRM and CNA form the core logical architecture of FusionCompute, with VRM managing the environment and CNA executing the compute tasks. The answer, per Huawei's documentation, is VRM.
NEW QUESTION # 38
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