NetApp NS0-593 NetApp certified support engineer - ONTAP specialist Exam Practice Test

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Total 60 questions
Question 1

Which two statements about NetApp Cloud Volumes ONTAP licenses ate true? (Choose two.)



Answer : A, C

Having an Essentials package enables you to convert to another licensing option. This is true because the Essentials package is a capacity-based licensing option that allows you to pay for Cloud Volumes ONTAP per TiB of capacity.You can switch to another capacity-based package or to a Keystone Flex Subscription at any time1.

BYOL licenses are purchased directly from NetApp.This is true because BYOL stands for Bring Your Own License, which means you need to obtain a license from NetApp before deploying Cloud Volumes ONTAP systems in any cloud provider2.

Capacity-based license packages support only single-node configurations.This is false because capacity-based license packages support both single-node and HA configurations1.

AWS Marketplace contracts cannot be mixed with BYOL.This is false because you can mix AWS Marketplace contracts with BYOL as long as the license type matches the instance type3.Reference:1: Cloud Volumes ONTAP licensing | NetApp Documentation2: Set up licensing for Cloud Volumes ONTAP in Google Cloud - NetApp3: Set up licensing for Cloud Volumes ONTAP in AWS - NetApp


Question 2

A customer's storage administrator Informs you about the deactivated Automatic Switchover (AUSO) feature on their MetroCluster IP environment.

What Information would you tell your customer in this scenario?



Answer : B

The AUSO feature is a MetroCluster functionality that enables an automatic switchover to the surviving site in the event of a disaster that affects one site1.

The AUSO feature is only available in MetroCluster FC configurations, which use Fibre Channel (FC) switches and FC-to-SAS bridges to connect the nodes and disk shelves across sites1.

MetroCluster IP configurations, which use Ethernet switches and network adapters to connect the nodes and disk shelves across sites, do not support the AUSO feature2.

Instead, MetroCluster IP configurations use the ONTAP Mediator service, which is a software component that monitors the health and connectivity of the MetroCluster nodes and initiates a Mediator-assisted unplanned switchover when a disaster occurs3.

The Mediator-assisted unplanned switchover is similar to the AUSO feature, but it requires the ONTAP Mediator service to be configured and running on a separate host3.

Therefore, you would tell your customer that the AUSO feature is not available in MetroCluster IP installations by design, and that they need to use the ONTAP Mediator service instead for disaster recovery.Reference:

1: Understanding MetroCluster data protection and disaster recovery, ONTAP MetroCluster Documentation Center

2: Differences among the ONTAP MetroCluster configurations, ONTAP MetroCluster Documentation Center

3: Configure the ONTAP Mediator service from a MetroCluster IP configuration, ONTAP MetroCluster Documentation Center


Question 3

A customer enabled NFSv4.0 on an SVM and changed the client mount from NFSv3 to NFSv4. Afterwards, the customer found that the directory owner was changed from root to nobody.

In this scenario, which statement is true?



Answer : D

NFSv4 is a network file system protocol that supports security, performance, and scalability features.NFSv4 uses ID mapping to ensure that the permissions of files and directories are consistent across different NFSv4 servers and clients1

ID mapping is the process of translating the user and group identifiers (UIDs and GIDs) of the local system to the user and group names (user@domain and group@domain) of the remote system, and vice versa.ID mapping is done by the idmapd service, which uses the /etc/idmapd.conf file to determine the domain name of the system2

ID mapping requires that the NFSv4 server and client have the same domain name configured in the /etc/idmapd.conf file.If the domain names do not match, the idmapd service cannot map the UIDs and GIDs to the user and group names, and the permissions of the files and directories will be shown as nobody:nobody, which is the default anonymous user3

Therefore, if a customer enabled NFSv4.0 on an SVM and changed the client mount from NFSv3 to NFSv4, and found that the directory owner was changed from root to nobody, the most likely cause is that the ID mapping domains do not match between the client and server.The customer should check and correct the /etc/idmapd.conf file on both systems, and restart the idmapd service and remount the NFSv4 share4


1: ONTAP 9 - Network File System (NFS) - The Open Group2: ONTAP 9 - NFSv4 and NFSv4.1 Enhancements - The Open Group3: NFSv4 mount incorrectly shows all files with ownership as nobody:nobody - Red Hat Customer Portal4: NFSv4 mountpoint shows incorrect ownerships as nobody:nobody in CentOS/RHEL - The Geek Diary

Question 4

A customer calls you to troubleshoot a network issue. The customer wants to create a packet trace for all clients on the 192.168.9.0/24 subnet.

Referring to the exhibit, on which interface do you have to run the packet trace?



Answer : B

To create a packet trace for all clients on the 192.168.9.0/24 subnet, you have to run the packet trace on the interface that has an IP address in the same subnet. According to the exhibit, the only interface that matches this criterion is e2a-100, which has an IP address of 192.168.3.1/24. The other interfaces have IP addresses in different subnets, such as 10.92.4.202/16, 10.91.3.132/24, 10.95.7.114/24, and 10.92.6.200/16. Therefore, the correct answer is B. e2a-100.Reference=How to capture packet traces on ONTAP 9.10+ systems,How to capture packet traces (tcpdump) on ONTAP 9.2 to 9.9 systems,How to download captured packet traces from ONTAP


Question 5

Your customer has mounted an NFS SVM from a Linux client unci performance is very poor. The customer is certain that they have jumbo frames enabled. They have verified an MTU of 9000 on both the Linux client and the broadcast domain on the NetApp ONTAP 9.8 cluster.

Referring to the exhibit, which ONTAP command will help isolate a possible MTU mismatch?

A.

B.

C.

D.



Answer : C

The ONTAP command that will help isolate a possible MTU mismatch isnetwork ping -lif jumbo_01 -vserver svm1_cluster1 -destination 192.168.0.210 -disallow-fragmentation true -packet-size 5000. This command will send a ping packet of 5000 bytes from the logical interface (LIF) jumbo_01 to the destination IP address 192.168.0.210, without allowing fragmentation. If the ping fails, it means that there is an MTU mismatch somewhere along the path.If the ping succeeds, it means that the MTU is consistent and the problem is elsewhere12.Reference:1: Check the MTU network setting on the storage system | NetApp Documentation2: How to adjust the MTU for an ONTAP interface - NetApp Knowledge Base


Question 6

When you review performance data for a NetApp ONTAP cluster node, there are back-to-back (B2B) type consistency points (CPs) found occurring on the loot aggregate.

In this scenario, how will performance of the client operations on the data aggregates be affected?



Answer : B

A B2B type consistency point (CP) occurs when a new CP is triggered before the previous CP is completed, due to the second memory buffer reaching a watermark. This can cause write latency to increase as user write operations are not replied until a write buffer frees up. However, this only affects the aggregate that is undergoing the B2B processing, and not the other aggregates on the same node. Therefore, the performance of the client operations on the data aggregates will not be affected by B2B processing on the root aggregate.Reference=What is the Back-to-Back (B2B) Consistency Point Scenario?,What are the different Consistency Point types and how are they measured in ONTAP 9?,What are the different Consistency Point types and how are they measured?


Question 7

Your customer noticed in NetApp Active IQ that their NetApp Cloud Volumes ONTAP for Azure HA solution is no longer sending AutoSupport messages over HTTPS. A support ticket has been opened to find out why. No changes have been made to the Cloud Volumes ONTAP for Azure HA environment.

In this scenario, which two autosupport command parameters should be used to validate that AutoSupport Is working properly? {Choose two.)



Answer : B, C

= The -transport parameter specifies the protocol used to send AutoSupport messages, which should be HTTPS by default. The -proxy-url parameter specifies the proxy server used to send AutoSupport messages, which should be the Connector's IP address and port if the Cloud Volumes ONTAP nodes do not have outbound internet access. These two parameters can be used to check the AutoSupport configuration and connectivity status.Reference=Verify AutoSupport setup,Troubleshoot your AutoSupport configuration,High-availability pairs in Azure


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