NetApp NS0-520 Online Practice Questions and Exam Preparation

NetApp NS0-520 Online Questions & Answers

• Question 161:

  Exhibit.

  

  The VMware ESX host discovers only two of four paths to a LUN on a new ONTAP cluster.

  Referring to the exhibit, which statement Is correct?

  A. The fabric zoning configuration does not allow access to the target LlFs.
  B. The igroup does not contain the. WWPN of one initiator.
  C. The fabric name server is disabled.
  D. The initiator HBA is not connected to the fabric.
  D. The initiator HBA is not connected to the fabric.

• Question 162:

  Which path selection policy is used by Windows Servers using NetApp LUNs that are greater than 2 TB?

  A. Least Queue Depth
  B. Round Robin
  C. Round Robin with Subset Policy
  D. Least Weighted Paths
  C. Round Robin with Subset Policy

• Question 163:

  You ate deploying an 8-node FAS8200 ONTAP cluster and attaching to an existing FC fabric.

  Which two ONTAP features would be used to restrict or limit the available paths seen from the host? (Choose two.)

  A. port sets
  B. igroup
  C. VIAN
  D. Selective IUN Map
  A. port sets
  D. Selective IUN Map

• Question 164:

  What is the supported NVMe OS multipathing stack for VMware ESXi?

  A. dm-multipath
  B. MPIO
  C. NMP
  D. PVlinks
  C. NMP

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  Explanation/Reference:

  Reference: https://www.netapp.com/us/media/tr-4684.pdf (18)

• Question 165:

  After completing the configuration of a new Brocade Fibre Channel switch, which command do you use to verify your configuration?

  A. switchshow
  B. show config
  C. configshow
  D. cfgshow
  C. configshow

• Question 166:

  Which commands allow you to enable NetApp deduplication and verify space savings?

  A. sis on , sis start , df s
  B. asis on , asis start , df s
  C. sis on , sis start , df r
  D. sis on, sis start, df p
  A. sis on , sis start , df s

• Question 167:

  Which statement is correct regarding virtual machine alignment on VMware ESX?

  A. RDM LUNs do NOT suffer from alignment problems because they are accessed directly by VMs.
  B. A VMFS LUN with a LUN type of VMware, will always have properly aligned VMs.
  C. Alignment issues can occur on any protocol including FCP, iSCSI, FCoE, and NFS
  D. msinfo32 or mbrscan can be run for the ESX service console to check for proper alignment of VMs.
  C. Alignment issues can occur on any protocol including FCP, iSCSI, FCoE, and NFS

• Question 168:

  A4-node ONTAP FAS9000 cluster was used to serve I/O from six RedHat 7.3 servers. The servers were configured with maximum, queue depth.

  For production purposes, an additional 60 similarly configured hosts were added to the environment. Later, the hosts started reporting random QFull errors, and the aggregated performance degraded.

  Which two solutions would alleviate the QFull errors and performance problems? (Choose two.)

  A. Remove Selective LUN Mapping (SIM) from the 4-node FAS9000 cluster.
  B. Download the latest FC HBA driver, firmware, and BIOS, and deploy them on the hosts.
  C. Configure and use additional FC target HBAs in the FAS9000 cluster.
  D. Reduce FC HBA gueue depth on the hosts.
  C. Configure and use additional FC target HBAs in the FAS9000 cluster.
  D. Reduce FC HBA gueue depth on the hosts.

• Question 169:

  You are testing iSCSI LUN failover across a 4-node FAS9000 fabric-attached MetroCluster configuration.

  In this scenario, which front end configuration is required for non-disruptive host LUN failover between sites?

  A. an intercluster LIF
  B. a stretched Layer 2 network
  C. Ipv6
  D. a stretched VSAN
  A. an intercluster LIF

• Question 170:

  You want to use ANA on SUSE Enterprise Linux. Which two components need to be verified in this scenario? (choose two)

  A. Verify the version of ONTAP
  B. Verify the version of SUSE Enterprise Linux
  C. Verify that ALUA must be enabled
  D. Verify that the ANA driver is installed
  A. Verify the version of ONTAP
  B. Verify the version of SUSE Enterprise Linux

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  Explanation/Reference:

  ANA Supportability

  NVMe/FC is supported on ONTAP 9.6 or later for the following versions of SLES:

  SLES15 SP1

  SLES15 SP1 host can run both NVMe/FC, and FCP traffic through the same fibre channel initiator adapter ports.

  You can find more information on this link:

  https://docs.netapp.com/us-en/ontap-sanhost/nvme_sles15_sp1.html#supportability