NetApp NetApp Certifications NS0-509 Questions & Answers

• Question 11:

  What is the recommended minimum of data LIFs per node for iSCSI in a dual-fabric configuration with four SVMs?

  A. 8

  B. 12

  C. 16

  D. 4

  Correct Answer: A

  Reference: https://docs.netapp.com/ontap-9/topic/com.netapp.doc.dot-cm-sanconf/GUID-650DC466CA3F-4032-8005-078FCEEB52E7.html (6th bullet)

• Question 12:

  A customer is expanding an ONTAP 9.4 switchless 2-node FAS2750 cluster. Two AFF A220 nodes will be added to the cluster.

  In addition to the cluster nodes, what else is required to perform the cluster expansion?

  A. Additional management switches are required.

  B. An upgrade to ONTAP 9.5 is required.

  C. Cluster switches are required.

  D. Additional DS224C shelves are needed.

  Correct Answer: A

• Question 13:

  A customer's NetApp infrastructure is reaching end-of-life (EOL), and they want to inventory their NetApp cluster. The customer wants to make sure that the proposed technical refresh satisfies their growing data demands.

  Which two tools would you use to help with this recommendation? (Choose two.)

  A. Upgrade Advisor

  B. OneCollect

  C. Config Advisor

  D. Active IQ

  Correct Answer: AC

• Question 14:

  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. Active IQ

  C. Hardware Universe (HWU)

  D. Interoperability Matrix Tool (IMT)

  Correct Answer: AD

• Question 15:

  Click the Exhibit button.

  

  You have a 2-node cluster in a single-fabric SAN. Host 1 and Host 2 are part of a VMware cluster and access the same LUNs that reside in your NetApp storage.

  Referring to the exhibit, what would be a way to test whether the multipathing is properly configured in your environment?

  A. Verify whether all destination storage target ports are contained in the same zone as Host 1.

  B. Administratively set ports 0a and 0c on Controller 1 to the offline setting.

  C. Power off the SAN switch.

  D. Disconnect Host 1 port and verify whether Host 2 is still able to run the VMs.

  Correct Answer: B

• Question 16:

  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. Add the host WWPN to the subsystem.

  B. Disable the host HBA and re-enable it to clear the buffers.

  C. Add the host NQN to the subsystem.

  D. Use the nvme ns-rescan /dev/nvme0 command to rescan the bus.

  Correct Answer: C

  Reference: https://www.netapp.com/us/media/tr-4684.pdf (39)

• Question 17:

  What is the supported NVMe OS multipathing stack for VMware ESXi?

  A. dm-multipath

  B. MPIO

  C. NMP

  D. PVlinks

  Correct Answer: C

  Reference: https://www.netapp.com/us/media/tr-4684.pdf (18)

• Question 18:

  Which resource would you use to verify whether a specific SAN configuration is supported by NetApp?

  A. SAN Configuration Guide

  B. Hardware Universe (HWU)

  C. Active IQ

  D. Interoperability Matrix Tool (IMT)

  Correct Answer: A

  Reference: https://docs.netapp.com/ontap-9/topic/com.netapp.doc.dot-cm-sanconf/SAN% 20configuration.pdf

• Question 19:

  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.

  Correct Answer: B

• Question 20:

  Click the Exhibit button.

  

  An administrator is trying to configure a multiple-hop Cisco MDS switch and is receiving the error shown in the exhibit.

  In this scenario, which action will solve this problem?

  A. Configure the physical link of interface ext17 as an F_Port.

  B. Configure the external interface to a different virtual SAN (VSAN) on both ends.

  C. Connect the external link to a Cisco MDS switch.

  D. Turn N_Port ID virtualization (NPIV) off.

  Correct Answer: C

  Reference: https://www.cisco.com/en/US/products/ps5989/ prod_troubleshooting_guide_chapter09186a00808c82f1.html