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以下关于 Virtual Disk

题目

以下关于 Virtual Disk Mirroring 的描述不正确的是（）

  • A、单一存储故障时数据不丢，业务不停
  • B、Virtual Disk Mirroring 的两套镜像 vDisk 可以各自分布在两套 SVC 上
  • C、Virtual Disk Mirroring 的两套镜像 vDisk 可以各自分布在两套物理存储设备上
  • D、可以为已有的 VDisk 加入一份拷贝形成 VDM，也可以从 VDM 中分离出一份拷贝
参考答案和解析
正确答案:B
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相似问题和答案

第1题：

Companycom is installing a Virtual IO Server to reduce the number of fibre channel adapters needed for each partition. The customer wants to use disk based copy functions to replicate the data on the LUNs. How can this be accomplished?（）

  • A、Create LVM mirrors between LUNs
  • B、MPIO is necessary as the device driver
  • C、Use separate fibre adapters in the Virtual IO Server for each LUN
  • D、Virtual IO Server is a disk subsystem and must control the LUNs behind it

正确答案:B

第2题：

Which Virtual IO Server function allows disk to be shared by multiple LPARs?（）

  • A、Virtual LAN
  • B、Virtual disk
  • C、Virtual SCSI
  • D、Virtual serial

正确答案:C

第3题：

AclienthastheneedtorebootoneoftheirVirtualIOServers.Whatcommand(s)wouldberuntolisttheclientsthataredependantonVirtualIOServerdiskandnetworkresources?()

A.lsmap-all-net

B.lsclient-disk-net

C.lsdev-virtual-client

D.lsmap-all;lsmap-net


参考答案：D

第4题：

What describes the difference between NPIV and vSCSI in the way fibre-channel attached disk and tape are presented when VIO Server is used?（）

  • A、NPIV presents Virtual HBA addresses and vendor specific information for disk and tape devices.vSCSI  presents generic disk and tape device interfaces.
  • B、NPIV presents generic disk and tape device interfaces on virtual HBA addresses.vSCSI presents HBA  addresses as SCSI with vendor specific information for disk and tape devices.
  • C、NPIV presents HBA addresses and vendor specific device information directly to the client partition.vSCSI  presents vendor specific disk information and generic tape device interfaces through VIO server.
  • D、NPIV presents virtual HBA addresses with generic device information for SCSI based disk and tape  devices.vSCSI presents vendor specific information for disk and tape device devices attached via SCSI  hardware interfaces.

正确答案:A

第5题：

A client has the need to reboot one of their Virtual IO Servers. What command(s) would be run to list the clients that are dependant on Virtual IO Server disk and network resources?（）

  • A、lsmap -all -net
  • B、lsclient -disk -net
  • C、lsdev -virtual -client
  • D、lsmap -all; lsmap -net

正确答案:D

第6题：

What are the storage component areas utilized in the IBM Storwize V7000？（）

  • A、Volumes， Extents， and LUNs
  • B、Volumes， Storage Pools， and Managed Disks
  • C、Virtual Disk Groups， Managed Disks， and LUNs
  • D、Virtual Disks， Manage Disk Groups， and Managed Disks

正确答案:B

第7题：

In a virtual environment， what differentiates an x3950 M2？（）

  • A、Disk space
  • B、Memory
  • C、Extra Power supplies
  • D、CPU speeds

正确答案:B

第8题：

All client computers in your company run Windows 7. Windows Virtual PC is installed on all client computers.You create and configure a virtual machine (VM) named Guest1.You need to use the Guest1 virtual hard disk (VHD) as a base for additional VMs that will run on the same host computer, and minimize the disk space required for each new VM.Which type of VHD should you create for the new VMs？（）

A.fixed size

B.differencing

C.dynamically expanding

D.linked to a physical hard disk


参考答案：B

第9题：

What type of configuration can provide the best availability in a Virtual IO Server environment?（）

  • A、Provide multiple paths to all resources through 2 or more Virtual IO Servers
  • B、Mirror all disk resources on the Virtual IO Server to present to the client LPAR
  • C、Mirror all disk resources on the client LPAR to the shared SCSI on the Virtual IO Server
  • D、Trunk multiple Ethernet adapters on the Virtual IO Server to a single Shared Ethernet Adapter （SEA）

正确答案:A

第10题：

Companycom LPAR that is using a Virtual IO Server needs to be more highly available. How can this be accomplished using APV features?（）

  • A、Reallocate the Virtual IO Server disks to the user LPAR
  • B、Create a stripe-group within the Virtual IO Server to protect against disk failure
  • C、Reconfigure the user LPAR to use both locally owned disk and a Virtual SCSI disk
  • D、Create a second Virtual IO Server and reconfigure the user LPAR to mirror across both Virtual IO  Servers

正确答案:D

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