NetApp NS0-520 Online Practice Questions and Exam Preparation

NetApp NS0-520 Online Questions & Answers

• Question 111:

  

  You are troubleshooting high CPU use on a FAS8200 with all SAS HDDs. You have SAN hosts with LUNs in a volume named vol1. You want to reduce CPU use and maintain storage efficiencies. Referring to the exhibit which three actions will accomplish this task? (Choose three.)

  A. Disable compression.
  B. Enable cross-volume deduplication.
  C. Disable inline deduplication.
  D. Enable post process deduplication.
  E. Enable data compaction.
  C. Disable inline deduplication.
  D. Enable post process deduplication.
  E. Enable data compaction.

• Question 112:

  You are implementing a new AFF A800 HA pair and are required to migrate NetApp E- Series E2624 data to the AFF A800 controllers. You do not have a host server that is available for the migration. In this scenario, which NetApp migration method is supported?

  A. OnCommand Unified Manager (OCUM)
  B. NetApp Data Availability Services (NDAS)
  C. SnapMirror Synchronous (SM-S)
  D. Foreign LUN Import (FLI)
  D. Foreign LUN Import (FLI)

• Question 113:

  You use iSCSI to present a LUN to a newly installed Windows 2016 Server. You have created the volume and LUN on the NetApp cluster. When you perform a hardware rescan on the Windows host, you cannot see the newly presented storage.

  What are three reasons for this problem? (Choose three.)

  A. The protocol has not been enabled on the NetApp cluster.
  B. You need to add the IQN of the Windows host to the newly created LUN.
  C. The IQN of the Windows host is not included in the igroup for the new LUN.
  D. The wrong igroup has been associated with the new LUN.
  E. The volume has not been enabled for iSCSI access.
  A. The protocol has not been enabled on the NetApp cluster.
  B. You need to add the IQN of the Windows host to the newly created LUN.
  D. The wrong igroup has been associated with the new LUN.

• Question 114:

  You have a two node Netapp ONTAP cluster that is hosting FC LUNs for 90 SAN hosts. The hosts are experiencing occasional performance problems and receiving QFULL responses from the cluster

  nodes. Which action would solve this issue?

  A. Increase the queue depth on the target ports
  B. Configure additional FC target ports
  C. Increase the queue depth on the initiator ports
  D. Configure additional FC ports on the hosts
  B. Configure additional FC target ports

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  Explanation/Reference:

  Adding more FC initiators on host will not solve this bottle-neck situation, we can try to increase the queue depth but we need the number of hosts and the number of target ports to calculate it correctly. We need to add more FC target ports on our storage to keep the load balanced and distributed You can find more information on this link https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm- sanconf%2FGUID-A055B184-0876-4376-9C75-35FE8C9BE832.html

• Question 115:

  An administrator has expanded a 2-node ONTAP cluster to a 4-node ONTAP cluster. The cluster is using FC LUNs with all of the default settings. You must rebalance the LUNs to the new nodes. Which configuration must be made to achieve this requirement?

  A. The new nodes must be added to the reporting nodes list.
  B. All nodes must be removed from the reporting nodes list.
  C. The original nodes must be added to the reporting nodes list.
  D. The original nodes must be removed from the reporting nodes list.
  A. The new nodes must be added to the reporting nodes list.

• Question 116:

  A customer wants to deploy NVMe/FC along with an existing FC SAN fabric using ONTAP 9.8. In this scenario, which two actions are correct? (choose two)

  A. Use existing zoning on fabric switches
  B. Enable NVMe/FC on the existing FC SVM
  C. Upgrade your FC switches from 16GB to 32GB
  D. Create new zoning on fabric switches
  A. Use existing zoning on fabric switches
  B. Enable NVMe/FC on the existing FC SVM

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  Explanation/Reference:

  Because NVMe/FC simply swaps command sets from SCSI to NVMe, it is an easy transition to make. NVMe/FC uses the same FC transport and therefore the same hardware from the host, through the

  switch and all the way to the NVMe/FC target port on the storage array. Thus, NVMe/FC implementations can use existing FC infrastructure, including HBAs, switches, zones, targets, and cabling.

  You can find more information on this link:

  https://www.netapp.com/de/media/10681-tr4684.pdf

• Question 117:

  

  A customer wants to add a 2-port, 32 Gb FC card to support NVMe in an AFF A700 2-node cluster. Currently, there are cards in slots 1, 2, 4, 6, 8, and 9. Referring to the exhibit, what is the number of the slot that should be used?

  A. 10
  B. 3
  C. 5
  D. 7
  C. 5

• Question 118:

  You have a thin-provisioned LUN that was created by using the lun create -vserver vs1 - path /vol/vol1/lun1 -size 500G -ostype windows 2008 -space-reserve disabled -space- allocation disabled command. You verify that your Windows 2016 host reports 200 GB free on lun1. However, lun1 shows 0 bytes free on the storage cluster.

  What should you do to solve this problem?

  A. Change the LUN -space-allocation parameter to enabled.
  B. Change the LUN -ostype parameter to windows_gpt.
  C. Change the LUN -space-reserve parameter to enabled.
  D. Rescan the LUN disk in your Windows host so that it will notify NetApp about the free space.
  D. Rescan the LUN disk in your Windows host so that it will notify NetApp about the free space.

• Question 119:

  An administrator has migrated an ISCSI LUN with Foreign LUN Import (FLI) tool. The migrated LUN is presented on the new system, but it is not visible to the host. In this scenario, which additional action must be completed to make the LUN visible?

  A. Bind the igroup to a port set
  B. Install ANA software on the host
  C. Stop the FCP service
  D. Map the LUN to an ISCSI igroup
  D. Map the LUN to an ISCSI igroup

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  Explanation/Reference:

  Installing ANA is related with NVMe protocol Binding an igroup to a port set will only limit our paths Stopping the FCP service will not affect at anything, because this is an ISCSI LUN When you migrate ISCSI using FLI, you need to map the LUNs to an igroup where the destination arrays is added, after the LUN has been imported, you can create a new iSCSI igroup and add the hosts to the igroup You can find more information on this link: https://www.netapp.com/pdf.html?item=/media/17060-tr4380pdf.pdf (page 71)

• Question 120:

  What is the recommended minimum of data LIFs per node for iSCSI in a dual-fabric configuration with four SVMs?

  A. 8
  B. 12
  C. 16
  D. 4
  A. 8

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  Explanation/Reference:

  Reference: https://docs.netapp.com/ontap-9/topic/com.netapp.doc.dot-cm-sanconf/GUID- 650DC466-CA3F- 4032-8005-078FCEEB52E7.html (6th bullet)