NetApp NCIE SAN ONTAP NS0-520 Questions & Answers

• Question 221:

  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 222:

  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

• Question 223:

  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 224:

  You use iSCSI to present a LUN to a newly installed Windows 2016 Server. You have created the volume and LUN on the NetApp cluster. When you perform a hardware rescan on the Windows host, you cannot see the newly presented storage.

  What are three reasons for this problem? (Choose three.)

  A. The protocol has not been enabled on the NetApp cluster.

  B. You need to add the IQN of the Windows host to the newly created LUN.

  C. The IQN of the Windows host is not included in the igroup for the new LUN.

  D. The wrong igroup has been associated with the new LUN.

  E. The volume has not been enabled for iSCSI access.

  Correct Answer: ABD

• Question 225:

  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- 650DC466-CA3F- 4032-8005-078FCEEB52E7.html (6th bullet)

• Question 226:

  As a system administrator, you perform a routine check of available storage space on your FAS2750. You notice that the vol_1 volume is approaching 100% capacity. The volume is configured with the space guarantee set to volume and the LUN reservation is disabled. You want to free up space in the volume without increasing its size.

  Which action would accomplish this task?

  A. Increase the size of the LUN.

  B. Increase the Snapshot Reserve.

  C. Increase the aggregate size.

  D. Use deduplication.

  Correct Answer: C

• Question 227:

  

  Referring to the exhibit, which two pairs of ports are currently configurable as FC SAN LIFs? (Choose two.)

  A. 01b, 0h

  B. 01a, 0g

  C. 01a, 0h

  D. 01b, 0g

  Correct Answer: D

• Question 228:

  Click the Exhibit button.

  

  You notice that your volume named vol1 has a temporary volume that is doubling the space that is used by the volume. In this scenario, which operation caused the volume to take up twice the space?

  A. FlexClone

  B. SnapRestore

  C. FlexGroup

  D. SnapMirror

  Correct Answer: D

  Reference: https://community.netapp.com/t5/Data-ONTAP-Discussions/Volume-takes- much-more-space-than- expected/td-p/100619

• Question 229:

  A customer is required to encrypt iSCSI traffic across their public network. In this scenario, which method will accomplish this task?

  A. dot1q

  B. IPsec

  C. NVMe

  D. CHAP

  Correct Answer: B

• Question 230:

  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.

  Correct Answer: BD