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NS0-520 Questions and Answers

Question # 6

You are asked to separate production FC traffic from test development FC traffic. In this scenario, at a minimum, which two configurations would accomplish this task? (choose two)

A.

VLANs

B.

Shared igroup

C.

SVMs

D.

Cisco VSANs

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Question # 7

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.

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Question # 8

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

A.

sis on <vol>, sis start <vol>, df s <vol>

B.

asis on <vol>, asis start <vol>, df s <vol>

C.

sis on <vol>, sis start <vol>, df r <vol>

D.

sis on, sis start, df p <vol>

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Question # 9

Exhibit.

You are asked to change the iSCSl Target Node Name of an SVM named SVM1 that is serving data.

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

A.

Reconnect all the lUNs alter renaming the target node.

B.

Disable Selective LUN Mapping (SIM) and create port sets.

C.

Unmap and re-map the LUNs.

D.

Stop and start the iSCSI service.

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Question # 10

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.

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?

A.

4 paths

B.

6 paths

C.

8 paths

D.

2 paths

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Question # 11

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.)

A.

Create zones with the appropriate initiators and targets for the secondary site.

B.

Enable the iSCSI service on the SVM at the secondary site.

C.

Replicate the data from the primary site to the secondary site with SnapMirror.

D.

Create new iSCSI igroups for LUN mapping.

E.

Enable the iSCSI service on the SVM at the primary site.

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Question # 12

What does the space allocation argument in a lun create command do?

A.

It thick provisions the LUN.

B.

It only disables space reclamation (or the LUN.

C.

It thin provisions the LUN,

D.

It enables or disables space reclamation for the LUN

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Question # 13

You have a performance critical database application that is running on a FAS9000 controller that uses FC. As shown in the exhibit, volume efficiency is enabled.

If you follow the performance recommendation, what are two results to the data in the volume? (Choose two.)

A.

The new written data is compressed.

B.

The new written data is uncompressed.

C.

The existing data is uncompressed.

D.

The existing data is compressed.

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Question # 14

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.

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Question # 15

An administrator reviews the Upgrade Advisor before performing an upgrade of their ONTAP cluster.

What information is detailed in the report? (Choose two.)

A.

pre-upgrade checks

B.

performance metrics

C.

risk exposures

D.

cluster interconnect checks

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Question # 16

You have deployed an AFF 400 systems for ISCSI workloads and want to ensure maximum performance to the hosts.

In this scenario, which two steps should be configured? (Choose two)

A.

Enable Jumbo frames on the network switch

B.

Enable Jumbo frames on the LIF

C.

Enable Jumbo frames on the broadcast domain

D.

Enable Jumbo frames on the IPspace

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Question # 17

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?

A.

Hardware Universe (HWU)

B.

Upgrade Advisor

C.

OneCollect

D.

Interoperability Matrix Tool (IMT)

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Question # 18

The ESX host reports inconsistent performance for iSCSI-based connectivity.

In this scenario, what would cause this problem?

A.

The host and storage are connected to different switches.

B.

The flow control was disabled on the storage.

C.

The hardware initiators were used instead of software.

D.

The flow control is enabled on the storage.

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Question # 19

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.

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Question # 20

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.)

A.

Set the switchport speed setting to 16 Gb.

B.

Use single initiator, multiple target zoning.

C.

Use multiple initiator, single target zoning.

D.

Set the switchport speed to auto negotiate.

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Question # 21

Click the Exhibit button.

During pre-deployment testing, you want to ensure that all FC paths are available to your host. You use the network interface modify -vserver SVM1 -lif LIF_top-0f -admin-state up command to correct the configuration shown in the exhibit.

What happens when using this command?

A.

It creates a new LIF on SVM2 named up.

B.

It creates a new LIF on SVM1 named LIF_top-0f.

C.

It changes the administrative state from “down” to “up”.

D.

It changes the operational state from “down” to “up”.

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Question # 22

You have a 4-node cluster with an AFF A300 HA pair and a FAS8200 HA pair. You plan on using the default storage efficiency settings. With inline data compaction, you estimate that you can save 6% of storage space. AFF A300 volumes that use under 5000 IOPS are moved to a FAS8200 using the volume move command.

In this scenario, what happens to the data after the volume is moved? (Choose two.)

A.

The new written data is not compacted.

B.

The existing data is compacted.

C.

The new written data is compacted.

D.

The existing data is not compacted.

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Question # 23

Exhibit.

You want to map a LUN to a server.

To which SAN object is the highlighted value in the exhibit added?

A.

LUN

B.

fabric zone

C.

FlexClone

D.

igroup

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Question # 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?

A.

Change the LUN protocol type to (SCSI.

B.

Create a new iSCSI igroup. and change the LUN mapping from the original to the new igroup.

C.

Create a new iSCSI Igroup and map the LUN to both the new and existing FC igroup.

D.

Add an iSCSI protocol type to the existing igroup so that the LUN can be accessed by both FC and iSCSI hosts.

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Question # 25

Which native GUI switch tool is used to manage Cisco MDS-Series switches and directors?

A.

Operations Manager

B.

Fabric Manager

C.

Web Tools

D.

Data Fabric Manager

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Question # 26

Click the Exhibit button.

The LUN that is shown in the exhibit is mounted by a Windows 2016 server. In this scenario, which two statements are correct? (Choose two.)

A.

The LUN has misaligned I/O.

B.

The LUN has aligned I/O.

C.

The LUN’s space is reserved.

D.

The LUN’s space is not reserved.

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Question # 27

Which FC service is used by a host for discover service to locate FC targets that are available?

A.

The fabric configuration server

B.

The fabric name service

C.

The fabric zone server

D.

A. The fabric security server

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Question # 28

Your customer asks you how to connect a host for SAN access to the newly installed AFF A400 system. In this scenario, which two statements are correct? (choose two)

A.

Direct Connection to the nodes from the hosts with ISCSI is supported

B.

Direct Connection to the nodes from the hosts with ISCSI is not supported

C.

Direct Connection to the nodes from the hosts with FC is not supported

D.

Direct Connection to the nodes from the hosts with FC is supported

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Question # 29

You are configuring a 4-node AFF A400 ONTAP 9.8 cluster. The data center switches have limited ports, and you are given one 10-Gigabit Ethernet port per node for external access.

In this scenario, which three protocols share the same physical port? (Choose three)

A.

NVMe/FC

B.

ISCSI

C.

FCoE

D.

Snapmirror

E.

FC

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Question # 30

You have an 8-node AFF A400 ONTAP 9.8 cluster that is serving FC and ISCSI LUNs. You have three SVMs for FC and one SVM for ISCSI, each for separate VMware VSphere clusters. The VMware

clusters are on separate, non-routable, networks. You are asked to set up SnapCenter software for backups of the Virtual machine datastores. What is the minimum management LIF count that is needed to

satisfy this requirement?

A.

four

B.

one

C.

eight

D.

two

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Question # 31

A customer is deploying a SAN cluster of A700 nodes and wants to ensure that the SAN cluster will maintain a quorum in the event of a rack level power failure. Which two statements are true in this scenario? (choose two.)

A.

Six nodes are required

B.

Four nodes are required

C.

Three racks are required

D.

Two racks are required

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Question # 32

An administrator is asked to provision a SAN environment in which host applications can monitor LUN space and performance space reclamation.

Which LUN type would satisfy these requirements?

A.

SCSI thick provisioned LUN

B.

SCSI thin provisioned LUN

C.

NetApp thin provisioned volume

D.

NetApp thick provisioned volume

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Question # 33

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

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Question # 34

At which storage object level is deduplication enabled?

A.

Aggregate

B.

Volume

C.

Qtree

D.

LUN

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Question # 35

An administrator needs to connect a new VMware 6.5 cluster to an ONTAP cluster for iSCSl connectivity. Which two steps would accomplish this task? (Choose two.)

A.

Enable iSCSl adapters on the ESXi hosts.

B.

Install the Virtual Storage Console for VMware vSphere.

C.

Configure zoning for the HBAs and the ONTAP data LIFs.

D.

Configure ALUA on the ONTAP SVM.

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