NetApp NetApp Certifications NS0-520 Questions & Answers

• Question 51:

  You have implemented FabricPool on your AFF ASA ONTAP 9.8 Cluster. An archived database has become very active, and it requires FabricPool adjustments.

  Which two steps are required to address this issue? (Choose two)

  A. Use the promote cloud-retrieval-policy

  B. Remove all snapshot copies.

  C. Set the tiering-policy to none

  D. Set the space-guarantee on the volume

  Correct Answer: AC

  Promoting all data from a FabricPool volume to the performance tier. You can proactively retrieve all data on a FabricPool volume in the Cloud and promote it to the performance tier.

  Use the volume modify command to set tiering-policy to none and cloud-retrieval-policy to promote.

  You can find more information on this link:

  https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-mgng-stor-tier- fp%2FGUID-45FEF779-69D8-40B2-B251-BEC90CE46E21.html

• Question 52:

  You are planning on implementing a new SAN on AFF A400 controllers. The data set consists of unique 1 KB files that will be encrypted before being written to the SAN.

  A. Compaction

  B. compression

  C. Deduplication

  D. Autogrow

  Correct Answer: A

  

  A screenshot of a computer

  Description automatically generated with medium confidence

• Question 53:

  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

  Correct Answer: A

  You need to configure an SVM management LIF to link it with snapcenter... every SVM will need 1 management LIF minimun and we have 4 SVM You can find more information on this link: https://docs.netapp.com/ocsc-44/index.jsp?topic=%2Fcom.netapp.doc.ocsc-isg%2FGUID- 5B2FB84B-91E9-4307-92DF-9B5B1E98A000.html

• Question 54:

  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

  Correct Answer: BCD

  If we have only ethernet switches available, we can only enable protocols over ethernet such as FCoE, ISCSI and Snapmirror. NVMe/FC and FC need a SAN Fabric switch to work.

• Question 55:

  A storage administrator needs to ensure that an ONTAP FC LUN is accessible for a remote data center. The ISL ports are reporting errors. The trunkshow command output from a Brocade switch is shown below.

  

  A. Set the ISL ports as FL_Ports

  B. Set the ISL ports as N_Ports

  C. Set the ISL ports as F_Ports

  D. Set the ISL ports as E_Ports

  Correct Answer: D

  On each switch fabric, you must configure the switch ports that connect the Inter-Switch Link (ISL). These ISL ports are otherwise known as the E-ports.

  You can find more information on this link:

  https://library.netapp.com/ecmdocs/ECMP1636017/html/GUID-B2BBB025-02A9-442C- 9910-00FEF253CE52.html

• Question 56:

  Referring to the exhibit, which security feature would guarantee that the host A system that is mapped to LUN XYZ on the NetApp storage system is the only host that access the LUN?

  

  A. igroup setup with the IQN of the ISCSi software initiator on Host A.

  B. CHAP configured on HOST A and the NetApp Storage System

  C. igroup setup with no IQNs

  D. IPsec configured on both host A and the NetApp Storage System

  Correct Answer: B

  

  Graphical user interface, text, application, email You can find more information on this link: https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm- sanag%2FGUID-3FC8A37A-FFCC-4070-A9F0-1B9B3FB79BF8.html

• Question 57:

  After performing failover testing on a newly deployed MetroCluster configuration, some aggregates remain in a degraded state. Referring to the exhibit, which statement is true?

  

  A. The MetroCluster Tiebreaker software is misconfigured

  B. The ONTAP Mediator service is misconfigured

  C. A cluster switch is powered off

  D. A disk shelf is powered off

  Correct Answer: D

  The aggregate with drives on the powered-off shelf should have a degraded RAID status, and drives on the affected plex should have a failed status You can find more information on this link: https://docs.netapp.com/us-en/ontap-metrocluster/install- ip/task_test_the_mcc_configuration.html#verifying-operation-after-loss-of-a-single-storage- shelf

• Question 58:

  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

  Correct Answer: AC

  Changing the Network port settings at the broadcast domain level will change all ports in that broadcast domain sequentially, or one at the time. This will only cause a disruption if the port is a single point of

  failure.

  Enable jumbo frames (typically MTU of 9000).All devices in the data path, including initiators, targets, and switches, must support jumbo frames. Otherwise, enabling jumbo frames actually reduces network

  performance substantially.

  You can find more information on this link:

  https://kb.netapp.com/Advice_and_Troubleshooting/Data_Storage_Software/ONTAP_OS/ How_to_enable_jumbo_frames_in_ONTAP_9_and_clustered_Data_ONTAP_8.3

• Question 59:

  A customer has a 4-node cluster consisting of a FAS8020 system and an AFF A220 that is running ISCSI workloads across two separate SVMs. The FAS8020 system is reaching end of support, so they add a new AFF A400 system to migrate workloads off the FAS8020 system. The customer wants to migrate data off the FAS8020 aggregate n1_aggr1 on SVM2 to the AFF A400 aggregate n5_aggr1 on SVM1.

  A. Volume move

  B. Volume rehost

  C. Volume reallocation

  D. Aggregate reallocation

  Correct Answer: B

  Moving a Volume will only work if you are doing it within the same SVM Volume Reallocation is used when you add new disks to an aggregate and you need to redistribute the data Aggregate Reallocation can be used only when you are moving data from an AFF filer to another AFF filer Rehosting a volume from one SVM to another SVM Volume rehost enables you to reassign NAS or SAN volumes from one storage virtual machine (SVM, formerly known as Vserver) to another SVM without requiring a SnapMirror copy. The volume rehost procedures depend upon the protocol type and the volume type. Volume rehost is a disruptive operation for data access and volume management. You can find more information on this link: https://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm- vsmg%2FGUID-84308166-6872-47C2-AEC0-D6346AD1D761.html

• Question 60:

  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. Set the queue depth on the host to 8

  B. Update the HBA driver

  C. Zone the host by using the host WWNNs

  D. Use the Netapp Virtual Storage Console to configure the host settings

  Correct Answer: BD

  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)