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| Section | Objectives |
|---|---|
| StorageGRID Architecture and Components | - Core StorageGRID system components
|
| Storage Management | - Tenant and bucket administration
|
| Information Lifecycle Management | - Policy and data placement
|
| Grid Installation and Configuration | - Deployment processes
|
| Monitoring and Troubleshooting | - Operational monitoring
|
>> Reliable NS0-077 Exam Pattern <<
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NEW QUESTION # 21
A primary interface in an HA group has failed, and the virtual IP address (VIP) has moved to a backup interface.
What happens when the primary interface is restored?
Answer: B
Explanation:
StorageGRID HA groups use an explicit interface priority order. The first interface in that order is the Primary interface and normally hosts all virtual IP addresses assigned to the HA group. If the Primary interface becomes unavailable, StorageGRID automatically moves the VIP addresses to the highest-priority backup interface that remains operational.
Importantly, this behavior includes automatic failback. NetApp states that when the failure is resolved and a higher-priority interface becomes available again, the VIP addresses are automatically moved to the highest- priority available interface. Therefore, once the original Primary interface is restored and considered healthy, StorageGRID automatically transfers the VIP back to it. No administrator intervention or Load Balancer service restart is required.
Options A and C are incorrect because restarting the Load Balancer service is not part of the standard HA failback workflow. Option B is also incorrect because StorageGRID does not permanently leave the VIP on a lower-priority backup interface after the preferred interface has recovered. The configured priority order continues to determine which interface should host the HA group's VIPs.
Reference topics: Grid Manager # High Availability Groups # Interface Priority # Primary/Backup Interfaces
# VIP Failover and Automatic Failback
NEW QUESTION # 22
A StorageGRID ILM policy has moved objects belonging to a specific bucket to a Cloud Storage Pool. The objects have transitioned automatically to S3 Glacier Deep Archive storage class to minimize costs. A user now requires immediate access to one of these archived objects.
How can the user achieve this goal?
Answer: C
Explanation:
When an object stored in a Cloud Storage Pool has transitioned to Amazon S3 Glacier Deep Archive, it is in a non-retrievable state. StorageGRID therefore cannot satisfy a normal GetObject request until a retrievable copy has first been restored. NetApp specifies that the client application must issue an S3 RestoreObject request to restore the object temporarily within the Cloud Storage Pool. After the restoration completes, the client can issue GetObject through StorageGRID to retrieve the data.
For a restored object, RestoreObject specifies how long the retrievable copy remains available. StorageGRID supports restoration from Glacier Deep Archive, but Deep Archive does not support the Expedited retrieval tier; only Standard or Bulk retrieval can be used. Thus, "immediate" access means initiating the restore process immediately, not instantaneous retrieval from the Deep Archive tier.
Option A is incorrect because GetObject does not automatically restore a non-retrievable Glacier object.
Option B is incorrect because restoration is performed through StorageGRID's S3 API; direct Amazon- console intervention is unnecessary. Option C is incorrect because StorageGRID explicitly supports RestoreObject for Cloud Storage Pool objects transitioned to Glacier Deep Archive.
Reference topics: ILM # Cloud Storage Pools # S3 Glacier Deep Archive # RestoreObject # GetObject # Retrieval Tiers
NEW QUESTION # 23
You have a StorageGRID system that spans multiple sites. You are asked to create an S3 bucket for extremely important objects that require all sites to receive metadata immediately after any new write or change.
When creating this S3 bucket, which consistency level meets the requirement?
Answer: A
Explanation:
The appropriate consistency level is strong-global because the requirement explicitly applies to clients and object metadata across multiple StorageGRID sites. NetApp defines strong-global as providing read-after- write consistency for all client requests across all sites. Therefore, after an object is created or its metadata is changed, subsequent requests from any site receive a consistent view of that change.
strong-site is insufficient because its consistency guarantee applies only to client requests within a single site.
A client accessing the bucket from another StorageGRID site could therefore fall outside the required site- wide consistency guarantee. read-after-new-write, which is the default and generally recommended setting, guarantees consistency for newly created objects but provides eventual consistency for object updates.
Because the scenario requires immediate consistency following both new writes and changes, it does not meet the stated requirement. available provides eventual consistency for both new objects and updates and prioritizes availability rather than cross-site consistency.
Thus, among the available options, strong-global is specifically designed for workloads requiring globally consistent object and metadata visibility across a multisite StorageGRID deployment.
Reference topics: S3 Buckets # Bucket Consistency # Strong-global # Strong-site # Read-after-new-write # Metadata Distribution Across Sites
NEW QUESTION # 24
Which encryption method is available for all deployment methods?
Answer: B
Explanation:
Stored Object Encryption is the StorageGRID encryption method that is available regardless of how the grid nodes are deployed. It is configured centrally in Grid Manager rather than depending on appliance-specific hardware capabilities. When enabled, StorageGRID encrypts newly ingested S3 object data that has not already been encrypted at the bucket or object level. StorageGRID supports AES-128 or AES-256 for this function.
The other options are deployment-specific. Node Encryption is associated with StorageGRID appliance nodes and a configured external Key Management Server (KMS); it must be enabled for an eligible appliance during installation. Drive Security depends on storage appliances equipped with Full Disk Encryption or self- encrypting drives and is managed through SANtricity System Manager. Drive Encryption likewise requires StorageGRID appliances containing supported self-encrypting drives and is configured through the StorageGRID Appliance Installer. These hardware dependencies mean none of those three methods is universally available across virtual, containerized, cloud, and appliance deployment models.
Therefore, C. Stored Object Encryption is the correct answer because it operates at the StorageGRID object- ingest layer rather than relying on a particular node or disk hardware implementation.
Reference topics: Grid Manager # Security Settings # Network and Objects # Stored Object Encryption; StorageGRID Encryption Methods
NEW QUESTION # 25
During the design phase of a StorageGRID implementation project covering three geo-distributed sites, a requirement is identified to provide seamless access to object storage based on the proximity of the client to the nearest StorageGRID site.
Which solution meets the requirement?
Answer: D
Explanation:
A Global Server Load Balancer (GSLB) is the appropriate solution when StorageGRID client traffic must be intelligently directed among multiple geographically distributed sites. NetApp states that global load balancing integrates with DNS to provide intelligent routing across StorageGRID sites and can direct clients to the closest destination site, while also detecting site outages and redirecting requests to another available site. This global routing functionality is provided through a supported third-party load-balancing or DNS traffic-management solution.
A typical architecture combines GSLB at the global layer with site-local load balancers or StorageGRID Gateway Node HA groups. When an S3 client resolves the StorageGRID endpoint FQDN, the GSLB selects the appropriate site's virtual IP based on factors such as availability and network latency, thereby providing proximity-based client access.
Option B provides effective local site load balancing, but by itself does not choose the geographically closest site. Option A provides HA for interfaces within an HA group and is not a geographic traffic-management mechanism. Option C provides link-level redundancy and bandwidth aggregation rather than application-level site selection.
Therefore, D is the correct answer.
Reference topics: StorageGRID Load Balancing # Third-Party Load Balancers # Global Server Load Balancing (GSLB) # DNS-Based Site Selection # Geo-Distributed Client Access
NEW QUESTION # 26
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