New 2021 NS0-520 exam questions Welcome to download the newest TestValid NS0-520 PDF dumps (60 Q&As)
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NEW QUESTION 35
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?
- A. Reduce the queue depth of the hosts such that the total does not exceed 2048.
- B. Create two additional LIFs per node on the FAS8300 cluster.
- C. Add two more hosts to the application server cluster.
- D. Reduce the number of LIFs per node on the FAS8300 cluster.
Answer: A
NEW QUESTION 36
An administrator is planning to rehost a SAN volume from one SVM to another SVM on a FAS8300 with all hard disk drives.
After rehosting the volume, what are two policies that must be reconfigured? (Choose two.)
- A. caching policy
- B. snapshot policy
- C. export policy
- D. volume efficiency policy
Answer: B,D
NEW QUESTION 37
What information should you document about your storage fabrics? (Choose two.)
- A. igroup name
- B. Inter-Switch Links (ISLs)
- C. zoning configuration
- D. name service
Answer: A,D
NEW QUESTION 38
You need to guarantee that SAN protocols are used in a new storage virtual machine (SVM).
In this scenario, which LIF service policy is required?
- A. default-data-blocks
- B. default-cluster
- C. default-data-files
- D. default-management
Answer: A
NEW QUESTION 39
You have 20 hosts, each with a single connection to one FC target port of an ONTAP HA pair. Each initiator is configured to limit the number of SCSI commands to 64 for each initiator-target connection. You plan to add 20 more hosts with the same number of connections.
In this scenario, how should you configure the queue depth limit?
- A. The sum of all hosts' queue depths per each target port should be less than or equal to 2048.
- B. Each host's queue depth should be set to 64.
- C. Each host's queue depth should be set to 128.
- D. The sum of all hosts' queue depths per each target port should be less than or equal to 4096.
Answer: A
NEW QUESTION 40
You are adding a new AFF A220 FIA pair to an existing FlexPod infrastructure that is using a pair of Nexus 9332PX switches. Due to rack space constraints, the AFF A220 is to be installed in an adjoining rack, and the distance from the back of the AFF A220 to the Nexus 9332PX switches is nine meters.
In this scenario, which 10Gbe cabling solution would you use to connect the AFF A220 to the Nexus 9332PX switches?
- A. LC/LC OM4 optical
- B. active Twinax
- C. passive Twinax
- D. mini SAS
Answer: A
NEW QUESTION 41
You have an AFF A220 cluster connected to a dual fabric topology. You must ensure that SAN hosts do not lose access to LUNs during unplanned failures.
Which two operations should be performed to accomplish this task? (Choose two.)
- A. Turn the power off on one disk shelf.
- B. Initiate a reboot of one Fibre Channel switch.
- C. Manually set all FC LIFs on a single node to "down".
- D. Manually set all LUNs offline.
Answer: B,C
NEW QUESTION 42
An administrator is designing a SAN solution.
What are two considerations when completing this task? (Choose two.)
- A. limiting the number of paths to eight paths per node
- B. identifying the maximum number of paths that are supported by a host operating system
- C. limiting the number of paths to eight paths per LUN
- D. identifying the maximum number of paths that are supported by a multipath driver
Answer: B,D
NEW QUESTION 43
What is a prerequisite for enabling SCSI UNMAP support for SAN attached hosts?
- A. The space-allocation parameter must be enabled.
- B. The LUN mapping must be deleted.
- C. The space-slo parameter must be set to semi-thick.
- D. The space-slo parameter must be set to none.
Answer: A
NEW QUESTION 44
Your company has begun to require additional restrictions on systems in the cloud. To comply with these new restrictions, you must have all incoming connections authorized to your Cloud Volumes ONTAP instance in Amazon Web Services (AWS).
Which two features enable you to satisfy your company's requirements for Red Hat Enterprise Linux 7 iSCSI hosts? (Choose two.)
- A. iSCSI endpoint isolation
- B. Challenge-Handshake Authentication Protocol (CHAP)
- C. single initiator zoning
- D. routing failover groups
Answer: A,B
NEW QUESTION 45
Click the Exhibit button.
Referring to the exhibit, which step must be performed to make LUN lun0 available to hosts in igroup linux1?
- A. node-01 and node-02 must be removed from the list of reporting nodes.
- B. lun0 must be mapped to linux1.
- C. lun0 must be brought online.
- D. node-03 and node-04 must be added to the list of reporting nodes.
Answer: C
NEW QUESTION 46
You have a new 2-node AFF All SAN Array A700 cluster serving iSCSI LUNs. You are asked to test failures of the front-end protocol connections.
Which two actions satisfy the failure criteria? (Choose two.)
- A. Pull an Ethernet cable from a Linux host.
- B. Disable Snapshot policies.
- C. Pull an Ethernet cable from a storage port with a cluster LIF.
- D. Perform a storage controller failover.
Answer: A,D
NEW QUESTION 47
Click the Exhibit button.
A customer has a 4-node AFF A700 cluster that uses ONTAP 9.7. The customer's environment has the Emulex LP31004-M6 and Emulex LPe32002-M2 HBAs.
Referring to the exhibit, using the NVMe protocol, which two host operating systems would be supported? (Choose two.)
- A. SLES 15 64-bit
- B. Microsoft Windows Server 2012 R2
- C. SLES 12 SP3 64-bit
- D. RHEL 7.5 64-bit
Answer: A,C
NEW QUESTION 48
Click the Exhibit button.
You have three Linux hosts that are FC multipath connected to an AFF All SAN Array A700. A failover test is performed by shutting down both Fabric A and N2, as shown in the exhibit.
Referring to this exhibit, what happens to the remaining paths from the Linux hosts to the ASA A700 target?
- A. All paths are active-optimized (AO).
- B. Half of the paths are active-non-optimized (ANO) and the other half are active-optimized (AO).
- C. All paths are active-non-optimized (ANO).
- D. All paths go offline from the double failure of the switch and node.
Answer: A
NEW QUESTION 49
Click the Exhibit button.
You need to perform an automated non-disruptive upgrade from ONTAP 9.5 to ONTAP 9.7.
Referring to the exhibit, which tool would be used?
- A. AutoSupport OnDemand
- B. OneCollect
- C. Perfstat
- D. Upgrade Advisor
Answer: D
NEW QUESTION 50
An administrator is designing storage requirements for a new low-priority application. The administrator wants to restrict I/O to only two LIFs to reduce the effect that the new application might have on existing workloads.
In this scenario, which two techniques would be used to restrict I/O? (Choose two.)
- A. using SendTargets to discover the LUN
- B. enabling load balancing on the host
- C. configuring port sets for the igroup
- D. managing zoning on the switch
Answer: C,D
NEW QUESTION 51
An administrator is asked to provide enhanced security measures to an iSCSI LUN using the Challenge Handshake Authentication Protocol (CHAP) with the iscsi security create command.
In this scenario, for which two objects should the administrator configure CHAP? (Choose two.)
- A. for the volume containing the iSCSI LUN
- B. for the iSCSI LUN
- C. for the initiator IQN or EUI
- D. for the target IQN or EUI
Answer: B,C
NEW QUESTION 52
You must ensure that a cluster that uses FabricPool has high availability,
What is required to accomplish this task?
- A. an IPspace that is dedicated to the FabricPool
- B. a cloud bucket
- C. four cluster LIFs
- D. a local failover policy for intercluster LIFs
Answer: D
NEW QUESTION 53
Click the Exhibit button.
Referring to the dual-fabric cabling diagram shown in the exhibit, which scenario explains why the customer's iSCSI host experienced a SAN outage with a LUN on Node 2?
- A. iSCSI LIFs were configured on all nodes, the SLM reporting nodes list included Node 1 and Node 2, and Node 1 went down.
- B. iSCSI LIFs were configured on Node 1 and Node 2 only, the SLM reporting nodes list included Node 1 and Node 2, and Switch 1 went down.
- C. iSCSI LIFs were configured on all nodes, the SLM reporting nodes list included all nodes, and Node 1 and Node 2 went down.
- D. iSCSI LIFs were configured on Node 2 only, the SLM reporting nodes list included Node 1 and Node 2, and the cable connecting the host to Switch 1 went bad.
Answer: C
NEW QUESTION 54
Click the Exhibit button.
An administrator enabled the FC protocol on an SVM and created a LUN for a Windows Server 2019 server. After a rescan, the LUN is not visible on the host.
Referring to the exhibit, which two steps must the administrator take to solve this problem? (Choose two.)
- A. Disable NPIV on the switch.
- B. Create an igroup, add the iSCSI IQN, and then map the igroup to the LUN.
- C. Enable NPIV on the switch.
- D. Create an igroup, add the WWPN of the host initiator, and then map the igroup to the LUN.
Answer: C,D
NEW QUESTION 55
You plan to use Foreign LUN Import (FLI) to migrate data from an older storage array to an ONTAP cluster. You have properly cabled the storage array and the NetApp nodes to your dual-fabric SAN.
Which two steps are required for this migration and cutover? (Choose two.)
- A. Create two zones that contain NetApp initiator ports and the source storage target ports, one for each fabric.
- B. Create two zones that contain the NetApp target ports and the host initiators ports, one for each fabric.
- C. Add NetApp WWN target ports to the existing zones so that your hosts can access both storage arrays.
- D. Add NetApp WWN initiator ports to the existing zones.
Answer: A,C
NEW QUESTION 56
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?
- A. Active IQ OneCollect
- B. Interoperability Matrix Tool (IMT)
- C. Hardware Universe (HWU)
- D. OnCommand Insight (OCI)
Answer: C
NEW QUESTION 57
You are in the testing phase of a newly deployed NVMe over Fibre Channel (NVMe/FC) SAM environment using Asynchronous Namespace Access (ANA). You are unable to successfully fail over a workload.
In this scenario, which action should you perform?
- A. Verify that the host operating system version supports ANA.
- B. Verify that the NVMe/FC host utilities kit is installed for ANA.
- C. Verify that multi-initiator zoning is configured on the FC switches.
- D. Verify that the DM-Multipath driver is configured for ANA.
Answer: D
NEW QUESTION 58
An administrator has taken over managing an AFF A320 4-node SAN environment with several attached hosts. The administrator is asked to inventory the environment before performing firmware updates.
In this scenario, which two tools would satisfy the requirement? (Choose two.)
- A. Brocade SAN Health Check
- B. Active IQ OneCollect
- C. Active IQ
- D. Upgrade Advisor
Answer: B,D
NEW QUESTION 59
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NS0-520 exam questions from TestValid dumps: https://www.testvalid.com/NS0-520-exam-collection.html (60 Q&As)
Free 2021 NCIE-SAN Specialist NS0-520 dumps are available on Google Drive shared by TestValid: https://drive.google.com/open?id=1GPBToKmZ1ut5DkF6QUGlZ47uk2-O_BJo