NS0-591: NetApp Certified Support Engineer, ONTAP Specialist

Your customer has initiated several volume move commands to redistribute the workload in their 8-node cluster. To verify that this process is not affecting their client access, they were monitoring the network switches that provide client access, but they do not see the network load of the volume move command.

In this scenario, what is the reason for the behavior?

The volume move command uses the HA iWarp interconnect, not the client access switches.
The volume move command uses copy offload protocol, so it does not show up when monitored.
The volume move command uses the intercluster LIFs, not the data LIFs.
The volume move command uses the cluster interconnect switches, not the client access switches.

Correct answer: B

A customer reports that a takeover has been disabled on an HA pair.

What would be a cause for this to happen?

The HA interconnect is not functioning properly.
There is a disk running too hot.
The interface for the hardware assist has become unavailable.
The cluster network is not functioning properly.

Correct answer: A

Explanation:

Reference: https://kb.netapp.com/app/answers/answer_view/a_id/1004174/~/what-are-the-common-causes-of-high-availability-takeover-impossible-events%3F-

End users are complaining of high latency when accessing an ONTAP cluster.

Which command helps you to determine whether there is a storage component that is contributing to this problem?

qos statistics performance show
qos statistics latency show
sysstat -c 30 -M 1
wafltop show -v -cpu -I 10 -c 5-n 6

Correct answer: A

Explanation:

Reference: https://kb.netapp.com/app/answers/answer_view/a_id/1031202/~/how-to-troubleshoot-performance-issues-in-both-clustered-data-ontap-and-data

A volume move operation has been initiated to move a volume named MirrScr from one aggregate to another. The operation failed with the error that is shown in the exhibit.

In this scenario, which statement is correct?

Manually trigger the cutover process in order to restart the job.
The volume move cannot be completed at this time because of high use in this node.
There are too many snapshots on the source volume.
Cancel and restart the volume move operation.

Correct answer: A

Explanation:

Reference: https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-cmpr-930%2Fvolume__move__start.html

What is a major difference between NFSv3 and NFSv4.x?

NFSv4.x is stateful, and NFSv3 is stateless.
NFSv4.x requires an auxiliary protocol for status monitoring, and NFSv3 does not.
NFSv4.x is stateless, and NFSv3 is stateful.
NFSv4.x requires an auxiliary protocol for mounting, and NFSv3 does not.

Correct answer: A

Explanation:

Reference: https://whyistheinternetbroken.wordpress.com/tag/nfsv4-1/

The storage administrator for the company example.com is attempting to join an SVM to their Active Directory as SVM1. The computer account must also be joined to the Secure organizational unit. Attempts to perform this action using the CLI fail with the error message shown in the exhibit.

What is the reason for this error?

The requested OU Secure does not exist in the Active Directory and must be created by the Active Directory administrator.
The requested OU Secure has incorrect principal and errored with KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN.
The administrator account password used in vserver cifs create was not entered correctly.
The syntax is incorrect; it should be vserver cifs create -cifs-server svm1 -domain example.com -ou ou=Secure, dc=example, dc=com.

Correct answer: B

Explanation:

For restore purposes, a storage administrator on an ONTAP system created a FlexClone of a volume that contains a LUN from a specific snapshot. This LUN cannot be seen by a Windows client after a disk rescan is performed by using Disk Management.

In this scenario, which statement is correct?

The cloned LUN must be brought online.
The cloned LUN needs to be mapped to an initiator group.
The cloned volume must be split from the source volume before the LAN can be used.
The cloned LUN must be renamed to a different name than the name of the source LUN.

Correct answer: C

Your customer is calling about their MetroCluster environment. They have provided you with the output of the metrocluster interconnect adapter show command.

Referring to the exhibit, which statement is correct?

For all MetroCluster configurations, this is expected output.
The InfiniBand cables should be connected in this configuration.
The InfiniBand interconnect is not used in MetroCluster.
This is a 2-node MetroCluster.

Correct answer: A

When you issue a volume clone create command, which entity in WAFL is copied?

the vol_info block
the buftree
the data block
the inode file

Correct answer: D

A customer’s FAS8200 node1 went down an hour ago after a WAFL inconsistency error. All data is being served from partner node2, but the storage failover show command output is not showing a node1 as “Waiting for giveback”.

What is the corrective action for this situation?

Re-create the root aggregate on node1.
Boot the system and run the wafliron command on the inconsistent data aggregate.
From the LOADER prompt, run the wafliron command on the system’s root aggregate.
Boot the system and run the WAFL_check command on the inconsistent data aggregate.

Correct answer: A

Vendor:	Network Appliance
Exam Code:	NS0-591
Exam Name:	NetApp Certified Support Engineer, ONTAP Specialist
Date:	Jul 22, 2019
File Size:	4 MB

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