Free H13-531 – HCIE - Cloud (Huawei Certified Internetwork Expert-Cloud) Practice Test Question

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  Each tenant enjoys a single cluster resource for physical network isolation.
  

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  Multi-tenant sharing cluster resources, for management considerations, the two-tier isolation and three-tier isolation do not need to be deployed at the same time.
  

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  When multi-tenant sharing cluster resources, you can adopt VPN isolation or ACL isolation on the Layer 3 network in the data center.
  

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  When multi-tenant sharing cluster resources, the virtualization layer network uses the VLAN- level isolated.
  
  
  

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  Master and backup disaster
  

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  Double active capacity disaster
  

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  Two Places, three centers
  

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  Integrated disaster recovery
  
  
  

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  Desktop cloud
  

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  Public cloud
  

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  Private cloud
  

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  Hybrid cloud
  
  
  

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  The number of FC-nova-computed is the same as the number of clusters in VRM, one cluster corresponds to one FC-nova-compute.
  

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  In 256PM (Physical Machine) following format, it is recommended that FC-nova-compute be deployed in conjunction with the control node.
  

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  In 256PM (Physical Machine) above specification, it is recommended that FC-nova-compute be deployed independently on the Extend Controller node. FC-nova-computed for each host can be calculated by the number of host CPU/4.
  

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  FC-nova-compute use the master and backup HA deployment, single cluster corresponded to master and backup two FC-nova-compute are deployed on different control nodes. FC-nova- compute on the control
  
  node must be evenly distributed, avoide the master FC-nova-compute concentrating on a certain control node.
  
  
  

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  Backup software processing data format and the source data format is often inconsistent, you must
  restore to use: and disaster recovery often through replication or mirroring technology, the data format does not generally change, can be mounted directly to the host to use.
  

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  Backup is the basis of disaster recovery, usually refers to within the data center, all or part of the data collection from the application host's hard disk or array copied to other storage media replication process.
  

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  disaster recovery system usually refers to the remote place in the distance, the establishment of two or more sets of the same IT systems, each other can be health status monitoring and function switching, when a system due to accidents (such as fires, earthquakes Etc.) to stop working, the entire application can be switched to another location, making the system function can continue to work properly.
  

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  RPO and RTO are critical metrics for disaster recovery systems, where RPO measure system can tolerate service stopped for the longest time. The higher the urgency of the system service, the smaller the RPO value; the RTO measure system can tolerate the largest amount of data loss, the smaller system tolerate missing data volume, the smaller the RPO value is.
  
  
  

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  1->2->3->4
  

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  2->1->4->3
  

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  4->2->1->3
  

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  1->4->2->3
  
  
  

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  IPSAN
  

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  FCSAN
  

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  NAS
  

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  ServerSAN
  
  
  

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  MDC (Metadata Controller) is a highly reliable cluster, through HA (High Availability) mechanism to ensure the high availability and high reliability of the entire system.
  

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  MDC through the ZooKeeper cluster, to achieve the reliable preservation of metadata.
  

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  The MDC communicates with the VBS (Virtual Block System) to realize the capacity expansion, status query and maintenance of the system.

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  MDC through message exchange between the OSD (Object Storage Device), VBS to implement the acquisition and notification of the OSD, VBS node status changes.
  
  
  

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  CNA can manage virtual machines on compute nodes.
  

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  VRM can dynamically adjust the resources within the cluster.
  

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  VSA can provide virtual firewall, DHCP function of the system service components, do not rely on FusionManager services for virtual machine deployment.
  

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  FusionManager northbound interface, provide common resource management, virtual machine management, backup management, disk management, network management and other business functions.
  
  
  

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  True
  

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  False