Netapp NS0-520 Real Questions and Answers

1. You want to connect a NetApp AFF A700 to a 32 Gb FC switch. The ports need to connect at 32 Gb speed.

In this scenario, which statement is correct?

2. If the security style is set to UNIX, CIFS client file access is determined by ____.

3. You are setting up FC ports and must configure the speeds for both the SAN and the host ports.

In this scenario, which statement is correct?

4. Which three tools present statistics from the Data ONTAP counter manager? (Choose three.)

5. Which three components are required for NetApp iSCSI LUN access on Linux servers? (Choose three.)

6. A customer experiences intermittent connectivity problems between an ESXi server and FC LUNs in an SVM. The customer has examined the nodes hosting the LUNs and both the disk and CPU performance are below 50% utilization. The customer examined the switch ports connected to the storage array, and they ate also below 50% utilization.

Which two steps would you perform next in this scenario? (Choose two.)

7. What does Selective LUN Mapping (SLM) do?

8. You configured a SAN host with a 4-node ONTAP 9.5 cluster that uses default settings. All paths are available from the host to the four nodes. You have a requirement to see only two paths to each LUN. One path is optimized and the other is non-optimized.





In this scenario, which NetApp SAN feature supports this requirement?

9. A snapshot is a frozen, read-only image of the entire Data ONTAP active file system that reflects the state of the ____ at the time the snapshot was created.

10. What are two examples of supported NetApp FC configurations? (Choose two.)

11. You must relocate a LUN from one AFF A700 HA pair to another AFF A300 HA pair while preserving all storage efficiencies.

What are two ways to accomplish this task? (Choose two.)

12. Which set of commands should be used for troubleshooting Ethernet connectivity problems from the storage system console?

13. A storage administrator is setting up a Red Hat Enterprise Linux 8.1 system to use NVMe storage in ONTAP 9.7. In this scenario, which action is required?

14. You are zoning a fabric for a clustered Data ONTAP storage system. After cabling, you see the following addresses logged into the fabric:

20:04:00:a0:98:16:db:9c

50:0a:09:83:8d:b1:ce:c3

What should be included in the zone configuration?

15. You created a 5 TB VMware volume “vol_esx_nfs1” in “svm1” for an NFS datastore. The storage efficiency savings of the vmdks are one over 50%, but the application team wants to minimize the possibility of an out-of-space condition.

You enable autogrow, autoshrink, and snapshot autodelete with the following commands:

volume modify Cvserver vm1 Cvolume vol_esx_nfs1 Cspace-mgt-try-first volume_grow

snapshotautodelete modify Cvserver vm1 Cvolume vol_esx_nfs1 -enabled true Cdeleteorderoldest_ first Ctarget-free-space 10% -trigger volume

volautosize Cvserver vm1 Cvolume vol_esx_nfs1 Cmode grow_shrink Cmaximum-size 10 TB C minimum-size 5 TB Cgrow-threshold-percent 80 -shrink-threshold-percent 60

What will these commands do?

16. You have three Windows servers and one Linux server, each with dual-ported HBAs that are connected into a dual fabric.

In this scenario, what is the minimum number of zones that you need to create within each fabric switch?

17. Which three protocols can coexist on a NetApp storage system? (Choose three.)

18. A customer has recently deployed a clustered Data ONTAP 8.3 system and is trying to mount LUNs to a Windows 2012 Server using the iSCSI protocol. They have enabled jumbo frames on their nodes as well as their Windows 2012 Server.

Whenever they attempt to scan for a new LUNs, Disk Management times out and does not present any new storage.

What is causing the problem?

19. An administrator configures NVMe within an SVM for a test environment. The administrator creates an NVMe namespace and an NVMe subsystem. The administrator then maps the namespace to the subsystem.

However, when the administrator establishes a connection to a supported host, the following error message appears:

No discovery log entries to fetch.

What is the solution to this error?

20. You want to ensure maximum performance of iSCSI LUNs on an AFF A220.

In this scenario, which two actions will accomplish this task? (Choose two.)

21. Which are three characteristics of an iSCSI or FCP SAN implementation? (Choose three.)

22. Referring to the exhibit, which container gains space savings from deduplication, compression and compaction?

23. What is a NetApp-recommended zoning best practice?

24. You want to access and mount a Linux L.UN using only iSCSl. In the past, the LUN ha;; been accessed using FC.

What must you do to accomplish this task?

25. You have inherited a small FC SN infrastructure that consists of 15 servers (hosts), two Cisco MDS 9148s switches, and a 4-node NetApp AFF A300 cluster. You suspect that your predecessor did not configure zoning according to best practices.

In this scenario, what information is necessary to audit your SAN zoning? (Choose two.)

26. You are troubleshooting a clustered failover problem at a customer site. The customer explains that both storage systems were NFS mounted onto the Solaris host.

While in takeover mode, you attempt to create a file on the NFS mount point for the inaccessible system, but you get the following error:

NFS server filer2 not responding still trying.

When not in takeover mode, both storage systems operate normally and you do not get the error. You perform a "cf giveback" and you can now create a file over NFS on both systems.

What should you do first to resolve this issue?

27. com.microsoft: host1 (not

logged in)

Referring to the exhibit, what is the problem?

28. On a Windows 2012 Server, the FC load balance policy is configured using which two utilities? (Choose two.)

29. Which NetApp Storage Tier component works aggregate-wide on a FAS controller?

30. Which two statements apply to an entry in the /etc/exports file regarding exporting directories/qtrees and volumes? (Choose two.)

31. Within the NetApp Interoperability Matrix Tool (IMT), which three components are supported for the FC SAN storage host solution? (Choose three.)

32. An SVM's LUN setup needs to have LIFs that are configured for FC access and iSCSI access. The administrator will also be using NetApp Virtual Storage Console.

In this scenario, which three types of LIFs are required? (Choose three.)

33. Which two will allow you to read and analyze a packet trace file generated by the storage system? (Choose two.)

34. A customer is expanding an ONTAP 9.4 switchless 2-node FAS2750 cluster. Two AFF A220 nodes will be added to the cluster.

In addition to the cluster nodes, what else is required to perform the cluster expansion?

35. What security mechanism can an administrator use on an OSSV client to use permissionsallowing backup to a SnapVault secondary system?

36. You currently have a FAS8200 with ONTAP 9.5. You want to expand the front end FC I/O capabilities. However, you are unsure which target adapters are supported.

What would you use to confirm which adapters are supported with your current configuration?

37. Referring to the exhibit, you have SAN LUNs on an AFF A700s and are asked to test an SSD shelf stack failure.





What is the maximum allowed number of failed paths per controller to shelf stack before a storage failover occurs?

38. Identify the two commands that could be entered on the SnapMirror destination storage system. (Choose two.)

39. 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?

40. Exhibit.





Referring to the exhibit, what is the total number of target LUNs that are being accessed?

41. What are two methods of protecting LUN overwrites using Snapshot copies on a volume with fractional reserve set to 0%? (Choose two.)

42. A database owner requests that two additional hosts be added to an application server cluster. This brings the host count for the fabric to 10. The company's internal procedure is to set SAN hosts with a queue depth of 256.

The FAS8300 2-node cluster is configured with one HBA per node with one port connected to fabric A and one port connected to fabric B.

Users complain about inconsistent performance.

What must the storage administrator do to ensure continuous operation of the hosts in this new configuration?

43. Exhibit.





Referring to the exhibit, which two statements are true? (Choose two.)

44. Click on the exhibit at the right.





In a 4-node cluster, how many iSCSI LIFs will be created from the SVM setup wizard, as shown in the exhibit?

45. The qtree specified for ____ must not exist on the secondary system before you run the ____ command.

46. What happens after you use SnapRestore to revert a volume to a specific snapshot?

47. Which two are Data ONTAP commands for creating LUNs on a storage system? (Choose two.)

48. An administrator enabled the iSCSI protocol on an SVM and created a LUN for a VMware ESXi server. After the administrator performs a rescan, the LUN is not visible on the host.

Which statement describes how to solve this problem?

49. In UnityVSA, what is the maximum storage capacity offered by the Professional license?

50. An administrator has an ONTAP cluster with SVMs and LUNs as shown in the exhibit. Hosts attempting to connect to LUNs mapped from SVM “C” are unable to see their LUNs. The hosts are not configured to connect to any other SVM.





Which action should be performed to restore multi-path connectivity to the LUNs in this scenario?

51. An administrator creates a storage virtual machine called SVM1 that is provisioned for iSCSI. After the administrator creates a LUN in the storage virtual machine and maps it to an igroup, the end host is unable to mount the LUN.

In this scenario, what is the problem?

52. Microsoft ODX supports which scenario on ONTAP 9.3?

53. Which resource identifies the number of supported slots for Unified Target Adapter 2 (UTA2) adapters that are available on an AFF A800?

54. If you believe you create FC SAN performance problem, which NatApp utility would gather both your Solaris host and storage system data for analysis?

55. A customer has an existing 8-node cluster that consists of six FAS2650 nodes and two FAS2554 nodes. The customer wants to expand the cluster by adding two AFF A220 nodes.

Which resource would be used to determine whether this configuration is supported?

56. Hosts and switches are connected to a FAS8040. Multiple FC-enabled SVMs have been created, and LUNs have been mapped to multiple hosts. During failover testing, one of the hosts lost connectivity to its LUNs.

What needs to be examined?

57. Exhibit.





Dining a data mobility test on a 4-node ONTAP 9.3 cluster, the host loses direct access to its LUNs. The LUNs are hosting on node cl1-01 and are being moved to cl1-03 on a different HA pair.

Referring to the exhibit, which corrective step is needed to ensure access while the volume is moved?

58. You are provisioning a LUN using an ISCSI initiator on an ESX host. You disable Ethernet flow control for all ports but are experiencing Performance issues.

In this scenario, which two actions would improve the performance issue? (Choose two.)

59. Which two storage efficiencies have been enabled on the NVMe namespace that is shown in the exhibit? (Choose two.)

60. Which set of protocols provide block-level access to NetApp storage?

61. An administrator is planning a hardware refresh and data migration from a Data ONTAP 7.3 system to new AFF A3-00 cluster that is using ONTAP 9.0. The Mode system only serves FC LUNs to a Windows 2012Rs server cluster that needs to remain connected after migration.

Referring to the scenario, which method would be used for the LUN migration.

62. Which two modes support using SnapMirror over multiple paths?

63. Which two commands for data mobility operations would be used to seamlessly move data in ONTAP 9.5? (Choose two.)

64. Which protocol allows to access a controller’s CLI interface?

65. Exhibit.





Referring to the exhibit, what is the total amount of space that is guaranteed for the LUNs in the/vo1/vo1_sanlunsiprod_03 volume?

66. Which Data ONTAP option sets system-wide for all transfers?

67. These are three methods of creating a LUN:

- lun create

- lun map

- lun setup

68. Which command can you use to determine the state of the FC ports for a Brocade switch?

69. You create a new iSCSI SVM and secure iSCSI sessions by using both Challenge-Handshake Authentication Protocol (CHAP) and iSCSI Access Control Lists (ACL).

In this scenario, in which two ways are you securing your iSCSI implementation? (Choose two.)

70. 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?

71. Which option of the snap restore command allows you to specify a different directory, as long as the directory already exists?

72. You are planning to set up a new SAN with an AFF A300 2-node switchless cluster. Your SAN fabric will consist of Cisco MDS9148s switches.

According to NetApp best practices, which two actions would be required to accomplish this task? (Choose two.)

73. When will a Volume SnapMirror (VSM) from a 64-bit source to a 32-bit destination volume fail?

74. An administrator has an AFF A200 cluster at their primary site that is used for FC connectivity to servers. For disaster recovery purposes they want to start replicating their data to another AFF A3Q0 cluster In a secondary location.

The AFF A300 is In a site that has no FC or FCoE capable switches, and is currently only used for CIFS data. A cluster peering relationship already exists between the two clusters.

Which three additional actions are needed for the data to be ready for access from hosts at the secondary site? (Choose three.)

75. Exhibit.





A customer is testing a dual-fabric FC SAN configuration as shown in the exhibit and the zones are implemented on the switches shown below.

If all the nodes are in the SLM reporting nodes list, hoe many path per LUN should the customer expect when simulating an FC SFP failure by bringing LIF_3 offline?

76. An administrator has a 2node AFF ONTAP cluster named cl1. A Windows 2016 server has 10 FC LUNs mapped from the cluster, and the administrator can multiple paths to each LUN, During a scheduled storage failover, node cl1-02 took over cl1-01, and Windows server lost connectivity to all mapped LUNs but reestablished connectivity after the giveback operation finished.

In the scenario, what would cause the LUN connectivity outage?

77. For which two vendor products would the Unified Host Utilities Kit set HBA and CAN parameters? (Choose two.)

78. A customer that is using an AFF A220 has a problem with a host for a new FC LUN. Other LUNs on the same SVM are working properly. This LUN is not visible on the host.

Which configuration does the customer need to verify in their solution?

79. Exhibit:





You have a 2-node cluster in a single-fabric SAN. Host 1 and Host 2 are part of a VMware cluster and access the same LUNs that reside in your NetApp storage.

Referring to the exhibit, what would be a way to test whether the multipathing is properly configured in your environment?

80. A customer is experiencing slower than expected performance on a database connected to an iSCSI LUN. They are surprised that performance has decreased even though they have upgraded from a 1 GB to a 10 GB switch.

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

81. Inside of an SVM, an iSCSI IP address is defined on which object?

82. A customer has a host experiencing performance problems with its FC LUNs. The customer has examined the nodes hosting the LUNs, and both the disk and CPU performance are below 50% utilization.

The customer examined the switch ports connected to the storage array, and they are also below 50% utilization.

Which three should the customer verify? (Choose three.)

83. Which command displays the statistics for Ethernet network interfaces?

84. A mirrored volume has a failed disk, but there are no available spares in the pool from which the degraded plex was built. Data ONTAP will ____.

85. You have an existing 2-node AFF A300 cluster with premium bundle licensing applied. You need to have consistently low front end latency, and have determined that NVMe satisfies this requirement.





Referring to the exhibit, which two actions would accomplish this task? (Choose two.)

86. Which iSCSI security method encrypts data between the initiator and the target?

87. Exhibit.





A customer is testing a dual-fabric FC SAN configuration as shown in the exhibit.

The zones are implemented on the switches shown below.

Switch 1 /Zone 1: HBA 0, LIF_1, LIF_3, LIF_5, and LIF_7

Switch 2 /Zone 2: HBA 1, LIF_2, LIF_1, LIF_6, and LIF_8

IF all the nodes are in the SLM reporting nodes list, how many paths per LUN should the customer expect when simulating a node failure by powering off Node 04?

88. You are asked to troubleshoot performance issues in a customer's SAN environment. After reviewing the NetApp SAN and hosts for best practices, you have narrowed down the issues to the fabric switches.

In this scenario, which component should be verified?

89. Which statement is true about expanding an aggregate from 32-bit to 64-bit in place?

90. Exhibit:

cl01::>lun resize Cvserver

svm1 Cvolume db1_vol Clun db1

-size 4096g

Error: command failed: New

size exceeds this LUN’s

initial geometry

cl01::>

What is the reason for the error shown in the exhibit?

91. A copy of a LUN was created by using the lun copy command.

To allow the copy to be seen on the same host, what would you do?

92. Exhibit:





Based on the exhibit, you are configuring a 4-node cluster with an iSCSI LIF ob each node. You connect using the first LIF from a Windows Server 2012 host.

How would you add the other three LIFs?

93. Automatic host-side space management with SCSI T10 thin-provisioned LUNs is achieved by which feature of ONTAP?

94. A customer has an existing large aging FC SAN environment that is reaching end of support. The environment consists of several large database servers with attached LUNs. You propose using an AFF A250, but you need to gather all end-to-end information in the current environment.

In this scenario, which resource contains this information?

95. Which exportfs command will temporarily export the resource while ignoring the options specified in the /etc/exports file?

96. A customer recently added two nodes with FC ports to a 4-node cluster.

Which SVM configuration is needed before the customer creates LUNs on the new nodes?

97. When designing a new SAN solution, which three components should be verified with the IMT? (Choose three.)

98. A company has a 4-node Data ONTAP cluster called cl01. The administrator attempts to create a volume on svm1 and can only select aggregates that are owned by node cl01-01 or cl01-02.

What is causing the problem?

99. Referring to the exhibit, which design solution is shown?

100. Physical Reallocation of a SnapMirror source volume increases the amount of data to transfer for the next SnapMirror update.

101. 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?

102. You are troubleshooting a node that had a core dump. The HA partner took over and you successfully performed a giveback. You need to get access to the core files.

Which two locations will give you access? (Choose two.)

103. Which two port personality combinations are valid for the onboard UTA2 ports on a FAS8040 controller?

104. A company wants to use jumbo frames to improve performance with their iSCSI network.

When setting up the Ethernet switches for jumbo frames, which three components need to be configured? (Choose three.)

105. Click the Exhibit button.





Referring to the exhibit, which two Fibre Channel names should you zone on the FC switch to provide connectivity to the LUN? (Choose two.)

106. An administrator suspects abnormal operation and performance-related issues within a particular SAN environment.

The administrator wants to further investigate the environment in terms of overall health, best practice recommendations, proactive remediation, and risk assessments, as compared to other SAN deployments.

Which tool should the administrator use to assess this information?

107. What is the default RAID level for new aggregates on a DS4486?

108. Which information-gathering command should you use to gather logs for troubleshooting switch information for your Brocade switches?

109. What does the space allocation argument in a LUN create command do?

110. To determine if a problem you are experiencing is known to NetApp, use the NOW site ____ utility.

111. Which statement best describes the output of this command?

sysstat -s 5

112. An administrator wants to design an NVMe solution to connect Linux hosts to an ONTAP cluster. The proposed solution uses two Cisco MDS 9396T switches for each fabric in a top-of-rack design.

In this scenario, which statement is true?

113. Which resource would you use to verify whether a specific SAN configuration is supported by NetApp?

114. Click the Exhibit button.





Referring to the exhibit, which switch in the fabric is the principal switch?

115. An administrator wants to provide isolation among physical devices connected to the same FCP fabric.

Which Cisco switch feature accomplishes this task?

116. A customer's NetApp infrastructure is reaching end-of-life (EOL), and they want to inventory their NetApp cluster. The customer wants to make sure that the proposed technical refresh satisfies their growing data demands.

Which two tools would you use to help with this recommendation? (Choose two.)

117. Exhibit:





The storage system reports that one or more of the FC LIFs have the administratively up and operationally down status. Initiators are unable to connect to the affected LIFs or access LUNs that are presented by those LIFs.

Referring to the exhibit, which command fields provide port login details with the switch?

118. An administrator wants to implement FCoE for connectivity of an AFF A200 using VLAN 3011 for fabric traffic across VSAN 11.

When configuring the Nexus switches for FCoE connectivity, which two actions are required? (Choose two.)

119. You are configuring both NVMe and FC on the same AFF A800 2-node ONTAP 9.5 cluster. You are configuring both protocols on the same Cisco FC network switches.

In this scenario, which configuration on the cluster is supported?

120. An administrator is adding new hosts to a vSphere cluster. The cluster uses the FC protocol to connect to a NetApp cluster. The administrator wants to configure the multipathing for the ESXi host.

Which NetApp tool should be used to accomplish this task?

121. You are planning to implement a 32 Gb FC SAN on a 2-node AFF A700 ONTAP 9.5 cluster. You need to create 112 FC LIFs across the HA pair with a limit of 20 FC LIFs per physical HBA port.

In this scenario, how many 2-port 32 Gb HBA cards do you need per storage controller?

122. Which tool collects configuration data from hosts and switches to assist in evaluating a qualified configuration?

123. A customer has decided to repurpose a NetApp FC target card from an older system. After installing the card into the newer NetApp AFF, the system kernel panics on boot.

Which tool would you use determine the problem?

124. A user cannot add more than one NVMe data LIF in ONTAP 9.4 on an SVM with a data protocol parameter set to nvme.

In this scenario, what is the problem?

125. To restore a qtree protected with SnapVault from the secondary storage system to the primary storage system, you can ____. (Choose two.)

126. Exhibit:





Referring to the exhibit, which FC LIF would cause a path failure on a host connecting to a LUN?

127. Exhibit.





You are adding a boot LUN for a new server. The server uses FCP attached through a CNA. The ONTAP cluster is also attached to the same fabric by way of UTA2. You configure the zoning for the fabric as shown in the exhibit. You discover that the server cannot see its boot LUN.

What is the problem with your zoning configuration?

128. Exhibit.





You need to configure the SnapCenter Plug-in for VMware vSphere to back up and restore VMware datastores.

Referring to the exhibit, which additional LIF type should you create before you configure the plugin?

129. You create a 20 GB LUN in a newly created 100 GB FlexVol volume. You then write 5 GB of data to the LUN. You have space reservation disabled on the LUN.

In this scenario, how much space do you have left on the volume?

130. When migrating from Data ONTAP 7G to Data ONTAP 8.0 7-mode, existing non-traditional aggregates are designated as ____.

131. You are creating a logical diagram for an FCP SAN solution.

You need to show connectivity between which three sets of components? (Choose three.)

132. Which two commands can be used to enable LUN reservations? (Choose two.)