Question 1

Your customer set up a SnapMirror synchronous relationship between two sites. They want to
convert it to a SnapMirror active sync configuration for availability reasons.
What action must you take before you convert this relationship?

Accepted Answer

C

Explanation: The process of changing a SnapMirror Synchronous (SM-S) relationship to a SnapMirror active sync (also known as SnapMirror Business Continuity or SM-BC) configuration is not a direct conversion. The existing SM-S relationship must be deleted and a new SM-BC relationship created. When the SM-S relationship is deleted, the destination volumes transition from a data protection (DP) state to a read-write (RW) state, and the LUNs within them become online. Before you can create the new SM-BC relationship using these volumes, you must ensure no hosts are actively accessing them. Therefore, any LUNs that might have been mapped on the destination (for example, during a DR test) must be unmapped. This ensures that the SM-BC creation process can take exclusive control of the LUNs to manage their state and I/O across both sites without interference.

Question 2

A ransomware attack has compromised all files on a CIFS share. The volume had a retention policy of
five daily Snapshot copies, but unfortunately, no Snapshot copies were available. It was confirmed
that the cybercriminal accessed only the share and did not gain access to the NetApp ONTAP cluster.
What command should be executed to prevent the quick restore strategy from being compromised?

Accepted Answer

C

Explanation: The scenario describes a situation where Snapshot copies were deleted by a malicious actor who only had access to the CIFS share, not administrative access to the ONTAP cluster. This is possible if the .snapshot directory is visible and accessible to clients. The command volume modify -snapdir-access false disables client visibility and access to the .snapshot directory within the volume. By making this directory inaccessible from the CIFS share, ransomware (or any user) is prevented from traversing into it and deleting the Snapshot copies, thus preserving the primary quick restore mechanism.

Question 3

Which NetApp solution safeguards Kubernetes volumes to object storage in public and private cloud providers?

Accepted Answer

C

Explanation: BlueXP backup and recovery is the NetApp service designed for comprehensive data protection across hybrid multicloud environments. It specifically provides application-aware backup and recovery for Kubernetes workloads. This service discovers Kubernetes clusters and enables policy-based backups of entire applications, including their associated persistent volumes (PVs), to cost-effective object storage. The backups can be stored in various public cloud object stores (like Amazon S3, Azure Blob) or on-premises with StorageGRID, directly addressing the requirements of the question.

Question 4

An administrator is setting up SnapMirror SVM replication. One of the source data volumes uses
cloud tiering with the snapshot-only tiering policy.
Which cloud tiering policy is supported on the destination volume?

Accepted Answer

D

Explanation: When a volume enabled with a cloud tiering (FabricPool) policy is replicated using SnapMirror, the tiering policy of the destination volume is inherited from the source volume. This ensures that the data management and tiering behavior are consistent across the SnapMirror relationship. Since the source volume in this scenario has a snapshot-only tiering policy, the destination volume must also have the snapshot-only policy. The policy is not user-configurable on the destination and is set automatically during the replication initialization.

Question 5

A VMware Administrator needs to restore a VM after a recent server patch update has corrupted the VM operating system. What is the quickest way to restore the VM?

Accepted Answer

A

Explanation: The quickest and most efficient method for a VMware Administrator to restore a single virtual machine is by using the SnapCenter Plug-in for VMware vSphere directly from the vCenter client. This integrated approach provides a streamlined, wizard-driven workflow that automates the entire restore process. The administrator can select the corrupted VM, choose a valid backup, and initiate the restore with a few clicks without leaving their primary management interface (vSphere client). This method is purpose-built for this scenario, minimizing administrative overhead and time-to-recovery compared to manual, multi-step alternatives.

Question 6

Your customer wants to use tamper-proof Snapshot copies on a SnapMirror destination volume only.
You successfully created a SnapMirror relationship using a SnapMirror policy that contains the
following rules:
NS0-528 practice exam questions

After initializing, you are able to delete a daily Snapshot copy.
Which command did you need to modify to enable the tamper-proof Snapshot copies as specified in
the policy?

Accepted Answer

A

Explanation: A SnapMirror policy of type mirror-vault or a unified policy with a retention period assigns an expiry time to the Snapshot copies on the destination Data Protection (DP) volume. However, to make these Snapshot copies tamper-proof (undeletable until they expire), the Snapshot copy locking feature must be explicitly enabled on the destination volume. The fact that a daily Snapshot copy could be deleted indicates that this feature was not enabled. The volume modify -snapshot-locking-enabled true command is used to activate this enforcement mechanism.

Question 7

You have a large 2PiB flexgroup that will need to be failed over to a DR site for a weekend due to
maintenance work at the original site. To speed up time to return to normal operations the Storage
Administrator will use the -quick-resync true option when reversing the SnapMirror relationship.
What needs to be taken into consideration when it comes to using quick resync?

Accepted Answer

D

Explanation: The snapmirror resync command, including the -quick-resync option, synchronizes the destination volume with the source. In this scenario of reversing the relationship, the original source volume becomes the destination of the resync operation. This process overwrites the data on the original source volume with the changes made at the DR site. As a result, the existing block layout and metadata that provided storage efficiency savings (such as deduplication, compression, and compaction) on that original source volume are invalidated and lost. Storage efficiency scanners must be run again post-resync to reclaim space.

Question 8

You have created a SnapMirror relationship from your production volume serving SMB/CIFS data to
your DR cluster. After two days of updates, you do not see any of the expected snapshots on the
secondary volume.
Why is SnapMirror failing to replicate snapshots?

Accepted Answer

A

Explanation: SnapMirror replication relies on a matching snapmirror-label to identify which snapshots to transfer. This label must be defined in two places: first, in the snapshot policy on the source volume that creates the snapshots, and second, in the SnapMirror policy on the destination that governs the replication relationship. If the SnapMirror policy, which is managed on the destination (secondary) cluster, lacks a rule specifying the correct snapmirror-label, the replication engine will not select any snapshots for transfer from the source, resulting in an empty destination volume as described.

Question 9

You are at a customer site and assisting with testing a sudden site disaster scenario with their
MetroCluster solution. All the equipment at the production site is suddenly powered off, and the
command metrocluster switchover -forced-on-disaster true is issued. After the switchover to the
disaster site is complete, the customer notices that one of their database applications is offline. All
other data is accessible from the disaster site. You notice the following in the volume show output:
NS0-528 practice exam questions

What can you do to help bring the application online while in switchover?

Accepted Answer

C

Explanation: In a MetroCluster configuration, a forced switchover (-forced-on-disaster true) is executed when the primary site has failed unexpectedly. During this event, any data that was in the primary cluster's non-volatile memory (NVLOG) but had not yet been mirrored to the disaster recovery (DR) site is lost. To protect data integrity, ONTAP automatically places volumes with such unmirrored data into an in-nvfailed-state and keeps them offline. The volume show output indicating the dbvol is offline is a direct symptom of this safety mechanism. To bring the volume and its application online, the administrator must manually acknowledge the potential for data inconsistency by clearing this state using the volume modify command with the -in-nvfailed-state false parameter.

Question 10

What two types of Compliance Clocks are available on NetApp ONTAP software? (Choose two.)

Accepted Answer

A, D

Explanation: NetApp ONTAP software utilizes two distinct types of tamper-proof clocks for SnapLock Compliance volumes to enforce WORM retention periods. The first is the system ComplianceClock, a single, secure clock initialized once per cluster that governs all subsequently created SnapLock Compliance volumes. The second is the volume ComplianceClock, which is an independent, secure clock initialized on a per-volume basis when a specific SnapLock Compliance volume is created. The volume ComplianceClock is primarily maintained for backward compatibility with systems migrated from Data ONTAP 7-Mode. Both clocks are designed to only advance forward and cannot be modified, ensuring data immutability for the specified retention period.

Question 11

A customer wants to enable tamper-proof Snapshot copies on volume LockingVolume, which is
hosted on SVM LockingSVM. They have created the Snapshot policy, including the required retention
set. However, when they apply the policy to a volume, the Snapshot copies are not locked.
Which command must the customer issue before tamper-proof Snapshot copies can be enabled?

Accepted Answer

D

Explanation: The term "tamper-proof Snapshot copies" refers to the NetApp SnapLock Compliance feature. A fundamental prerequisite for using SnapLock Compliance on a cluster is the initialization of the secure Compliance Clock. This is a one-time, irreversible operation that must be performed on every node that will host a SnapLock Compliance volume. If the Compliance Clock is not initialized, ONTAP cannot establish the secure, non-resettable time source required to enforce WORM retention, and any attempt to create locked Snapshot copies will fail, even if the volume and policy are configured correctly.

Question 12

After deploying a new on-premises AFF cluster, you have been tasked with backing it up to
StorageGRID. You have requested the NetApp ONTAP One licenses.
To successfully deploy this solution, what else needs to be deployed through NetApp ONTAP System
Manager?

Accepted Answer

B

Explanation: To back up data from an on-premises ONTAP cluster to a StorageGRID object storage system, the SnapMirror to S3 feature (formerly known as SnapMirror Cloud) must be used. This functionality requires a specific SnapMirror license to be installed and active on the source ONTAP cluster. While the ONTAP One license bundle includes the SnapMirror feature license, the question isolates the specific component that enables the S3-based backup capability. The "SnapMirror Cloud API license" refers to this entitlement, which allows ONTAP to communicate with the S3 API of the StorageGRID system to perform backup and restore operations.

Question 13

You have multiple NetApp ONTAP clusters running on premises and in the cloud. You are asked to use NetApp BlueXP to manage the data protection relationship between these clusters. Which two features make managing the data protection relationship easier and effective with BlueXP in the hybrid multicloud environment? (Choose two.)

Accepted Answer

A, B

Explanation: NetApp BlueXP is designed to simplify data management across hybrid multicloud environments. For data protection between ONTAP clusters, it provides a centralized, intuitive user interface. Two key features that make this management easier and more effective are: 1. Drag-and-drop replication: BlueXP allows an administrator to simply drag a source volume and drop it onto a destination cluster to initiate the creation of a SnapMirror data protection relationship. This visual, straightforward action abstracts the complexity of underlying CLI commands and network configurations. 2. Simplified DR operations: Once a replication relationship is established, BlueXP provides single-click buttons to manage disaster recovery workflows. Operations such as breaking the relationship, resynchronizing data, and executing failover and failback for SVM-DR can be performed directly from the UI, significantly reducing operational complexity and the potential for human error.

Question 14

Your customer wants to create application-aware backups of their SAP HANA databases, which are running on VMware vSphere. What two steps must be completed to create these backups? (Choose two.)

Accepted Answer

A, B

Explanation: To perform application-aware backups of SAP HANA with NetApp SnapCenter, two fundamental components are required. First, the SnapCenter Plug-in for SAP HANA must be installed on the database host. This plug-in facilitates communication with the SAP HANA database to quiesce it, ensuring a transactionally consistent state before the storage snapshot is taken. Second, a backup policy must be created. This policy defines critical parameters for the backup job, including the backup schedule, retention duration for the snapshots, and replication settings, which are essential for managing the backup lifecycle according to the customer's requirements.

Question 15

What is the minimal interface requirement for a SnapMirror relationship between clusters?

Accepted Answer

C

Explanation: For a SnapMirror relationship to function reliably and maintain high availability, NetApp ONTAP requires at least one intercluster logical interface (LIF) to be configured on each node within the cluster. This ensures that if a volume is moved to a different node (either manually or through a high-availability event like a takeover), replication traffic can continue without interruption. The intercluster LIFs provide the dedicated network paths for all intercluster communication, including SnapMirror data transfers. This per-node configuration is a fundamental prerequisite for establishing a cluster peer relationship.

Free NetApp NS0-528 Actual Exam Questions