[2022] Pass Network Appliance NS0-520 Exam Updated 236 Questions
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Network Appliance NS0-520 Exam Syllabus Topics:
| Topic | Details |
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NetApp NS0-520 Exam Certification Details:
| Recommended Training | ONTAP SAN Fundamentals (WBT) SAN Administration SAN Implementation (ILT) |
| Duration | 90 minutes |
| Exam Name | Implementation Engineer SAN Specialist, ONTAP |
| Passing Score | 62% |
NEW QUESTION 108
A customer has an FC host that needs to be attached to the NetApp AFF A700 dual controller storage cluster.
To accomplish this task, which three steps should the customer perform? (Choose three.)
- A. Configure an igroup with the WWPN from the host initiator for LUN access.
- B. Confirm that the FC HBA driver and firmware is supported according to the Interoperability Matrix Tool (IMT)
- C. Configure portsets to support the availability of multiple paths.
- D. Configure the FCP service for the node that has the LUN that is being accessed.
- E. Confirm that the switch firmware is supported according to the Interoperability Matrix Tool (IMT).
Answer: A,C,E
NEW QUESTION 109
Click the Exhibit button.
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?
- A. fabric-established
- B. status-extended
- C. conn-established
- D. media-type
Answer: A
NEW QUESTION 110
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?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 111
You want configure namespaces to support NVMe over Fibre Channel (NVMe/FC) using ONTAP 9.8. Which action will accomplish this task?
- A. Enable ALUA on the namespaces that should use the NVMe protocol
- B. Add FC to the list of SVM protocols
- C. Remove any protocols from the SVM before adding the NVMe protocol
- D. Configure a LIF for the NVMe protocol
Answer: D
Explanation:
Although ONTAP uses a NVMe/FC LIF that is separate from the FCP LIFs, both LIFs can be hosted on the same physical HBA port at both the host initiator and storage target. NVMe/FC and FCP can share the same physical infrastructure concurrently, so the same physical port, cable, switch port, and target port can simultaneously host and transmit both FCP and NVMe/FC frames NVMe can use the same FC infraestructure, but it needs to create a separate NVMe LIF to work.
You can find more information on this link:
https://www.netapp.com/de/media/10681-tr4684.pdf (14)
NEW QUESTION 112
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?
- A. 15 paths
- B. 4 paths
- C. 7 paths
- D. 3 paths
Answer: C
NEW QUESTION 113
You are asked to configure a small environment for a branch office. The customer has two new VMware ESXI hosts and a Netapp FAS2750 for the site. They want to allocate 10 GB for their ISCSI network to be used for datastores. However, they do not want to purchase any new switches for the environment. In this scenario, Which statement is correct?
- A. 10 GB switches are required for this configuration
- B. The environment will have to be configured with 1 GB networking
- C. Configure direct attached connections between the two hosts and storage
- D. The SMB protocol will need to be used
Answer: C
Explanation:
Direct-attachment
In a direct-attached configuration, one or more hosts are directly connected to the controllers.
You can find more information on this link:
https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-sanconf%2FGUID-193CC377-5C6F-4D3C-B42E-CE71AB6AA77F.html
NEW QUESTION 114
Your customer asks you to configure a newly installed FAS8300 for an FC host connection.
Referring to the exhibit, which step accomplishes this task?
- A. Configure the ports 0e and 0f as type of target
- B. Configure the ports 0e and 0f as status admin down
- C. Configure the ports 0e and 0f as status admin up
- D. Configure the ports 0e and 0f as a mode of CNA
Answer: A
Explanation:
To change the port type from initiator to target you need to take the port offline The ports need to be on target mode to present LUNs to the hosts.
You can find more information on this link:
https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-sanag%2FGUID-193C6818-EDBA-4159-A7C8-42D6844A6314.html
NEW QUESTION 115
A customer has an AFF A700 connected to a Cisco switch and has verified connectivity but cannot see any LUNs. The customer issued the run -node scaling-01 -command fcp topology show command to verify the connection.
Referring to the exhibit, what needs to be enabled on the Cisco switch?
- A. Trunking needs to be enabled.
- B. NPIV needs to be enabled.
- C. VFC needs to be enabled.
- D. VSAN needs to be enabled.
Answer: C
NEW QUESTION 116
When planning out a new FC SAN implementation for a AFF cluster, which two variables should be considered for a highly-available, resilient solution? (Choose two.)
- A. Multiple PDUs connected to separate circuits
- B. Multiple disk shelves
- C. Data-fabric zones using multiple switches
- D. Length of LC/LC optic cables
Answer: A,C
NEW QUESTION 117
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?
- A. Disable the host HBA and re-enable it to clear the buffers.
- B. Add the host WWPN to the subsystem.
- C. Use the nvme ns-rescan /dev/nvme0 command to rescan the bus.
- D. Add the host NQN to the subsystem.
Answer: D
NEW QUESTION 118
After the addition of extra DS224C disk shelves, you notice that the output of the system node run -node node_1 sysconfig command shows Mixed-path. You need to investigate why the additional shelves are providing this error.
In this scenario, which two tools would help diagnose this issue? (Choose two.)
- A. Config Advisor
- B. Hardware Universe (HWU)
- C. Interoperability Matrix Tool (IMT)
- D. Active IQ
Answer: A,C
NEW QUESTION 119
An administrator has six VMware hosts, each with dual HBAs that are connected to a dual fabric using single initiator multiple target zoning. Four nodes are being added to the existing 4-node ONTAP cluster.
In this scenario, what is the minimum number of FC zones that need to be updated on each fabric switch?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 120
An administrator who is using the Virtual Storage Console (VSC) creates a new FC datastore on an existing volume. While the datastore was provisioned, two hosts were in maintenance mode. When the maintenance was completed, the two hosts do not have access to the new datastore, but they have access to other datastores on the same volume.
In this scenario, what caused this result?
- A. The VSC cannot create datastores while hosts are in maintenance mode.
- B. After creation using the VSC, the administrator needs to create a LUN mapping.
- C. The VSC created a new igroup that contains only the hosts that were online during the datastore creation.
- D. During host maintenance, the FC HBAs were replaced with different FC HBAs.
Answer: C
NEW QUESTION 121
An administrator is designing a SAN solution.
What are two considerations when completing this task? (Choose two.)
- A. identifying the maximum number of paths that are supported by a host operating system
- B. limiting the number of paths to eight paths per LUN
- C. identifying the maximum number of paths that are supported by a multipath driver
- D. limiting the number of paths to eight paths per node
Answer: A,C
NEW QUESTION 122
Which formula is appropriate for calculating target port Queue Depth?
- A. The sum of the Queue Depth setting for all hosts using a physical port
- B. The number of LIFs using a physical port * 256
- C. The number of physical ports * 2048
- D. The number of LIFs using the physical port * Maximum Host HBA Queue Depth setting
Answer: D
NEW QUESTION 123
Which data collection tool would be used for obtaining detailed information about hosts that are attached to ONTAP storage?
- A. OneCollect
- B. Conflg Advisor
- C. Brocade Network Advisor
- D. Upgrade Advisor
Answer: A
NEW QUESTION 124
An administrator needs to determine the maximum volume size that is supported per operating system.
Which resource has this information?
- A. Hardware Universe (HWU)
- B. Interoperability Matrix Tool (IMT)
- C. Config Advisor
- D. OneCollect
Answer: B
NEW QUESTION 125
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. enabling load balancing on the host
- B. configuring port sets for the igroup
- C. using SendTargets to discover the LUN
- D. managing zoning on the switch
Answer: B,D
NEW QUESTION 126
What is the supported NVMe OS multipathing stack for VMware ESXi?
- A. dm-multipath
- B. PVlinks
- C. MPIO
- D. NMP
Answer: D
NEW QUESTION 127
Which option needs to be set on a volume to guarantee that it cannot be affected by other volumes?
- A. Reservation Enabled
- B. None
- C. Volume
- D. Space Reserved
Answer: C
NEW QUESTION 128
You have a two node Netapp ONTAP cluster that is hosting FC LUNs for 90 SAN hosts. The hosts are experiencing occasional performance problems and receiving QFULL responses from the cluster nodes. Which action would solve this issue?
- A. Increase the queue depth on the target ports
- B. Configure additional FC target ports
- C. Configure additional FC ports on the hosts
- D. Increase the queue depth on the initiator ports
Answer: B
Explanation:
Adding more FC initiators on host will not solve this bottle-neck situation, we can try to increase the queue depth but we need the number of hosts and the number of target ports to calculate it correctly.
We need to add more FC target ports on our storage to keep the load balanced and distributed You can find more information on this link
https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-sanconf%2FGUID-A055B184-0876-4376-9C75-35FE8C9BE832.html
NEW QUESTION 129
You are provisioning storage to an ESX host that uses iSCSI.
According to NetApp best practice, which three actions accomplish this task? (Choose three.)
- A. Enable BGP on the switch.
- B. Enable the iSCSI service.
- C. Install Virtual Storage Console (VSC) for VMware.
- D. Bind the iSCSI ports to the software iSCSI adapter.
- E. Configure MTU 1500 on the switch.
Answer: C,D,E
NEW QUESTION 130
You are configuring a VMware sphere host for FC access to a Netapp ONTAP cluster. In this scenario, which two tasks does Netapp recommend performing on the Vsphere host? (choose two)
- A. Zone the host by using the host WWNNs
- B. Update the HBA driver
- C. Set the queue depth on the host to 8
- D. Use the Netapp Virtual Storage Console to configure the host settings
Answer: B,D
Explanation:
Zoning the host using WWNNs is not recommended. Netapp always recommends to use WWPN to zone correctly.
We can not stablish a queue depth value because we don't have the amount of ports and hosts to calculate the recommended queue depth Installing VSC and updating the HBA driver are best practices recommended by Netapp You can find more information on this link:
https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.exp-iscsi-esx-cpg%2FGUID-C751F905-04B4-4DE6-ADC4-A47EA9076078.html
https://docs.netapp.com/ontap-9/topic/com.netapp.doc.exp-fc-esx-cpg/FC%20express%20configuration%20for%20ESXi%20using%20VSC.pdf (page 7)
NEW QUESTION 131
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