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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Troubleshooting and Maintenance | 20% | - Monitoring and alerting
|
| Topic 2: Data Protection and Availability | 20% | - Backup and restore
|
| Topic 3: Configuration and Management | 25% | - Bucket and object management
|
| Topic 4: Installation and Deployment | 15% | - Planning and preparation
|
| Topic 5: StorageGRID Architecture and Components | 20% | - Software and hardware components
|
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NEW QUESTION # 61
Your customer has a two-site StorageGRID system, with three Storage Nodes on each site. The customer wants to always read the last written version of an object. They have set up the information lifecycle management (ILM) policy to write a single copy to each site. They have set the ingest policy to Strict and the consistency profile to strong-global. During maintenance on a node on Site-2, an additional node on that site fails, and end users complain about being unable to upload objects to the grid.
What is the cause of these errors?
Answer: C
Explanation:
The failure is caused by the strong-global metadata consistency requirement, not by the Strict ILM placement requirement. StorageGRID stores object metadata in Cassandra, normally maintaining three metadata replicas per site. With three Storage Nodes at Site-2, taking one node down for maintenance and then losing another leaves only one metadata replica available at that site. The required metadata quorum can no longer be achieved for strong-global operations. NetApp documents that strong-global guarantees read-after-write consistency across all sites and requires sufficient metadata replicas to complete the operation.
The distinction from Strict ingest is important. Strict controls object-data placement: all copies specified by the ILM rule must be created before StorageGRID returns success. Here, the ILM rule requires only one copy at each site. Because one Storage Node remains operational at Site-2, StorageGRID can potentially place the Site-2 object copy there. Therefore, the data-placement requirement itself is not necessarily violated.
However, with two of the three metadata-bearing Storage Nodes unavailable at Site-2, Cassandra cannot satisfy the strong-global metadata consistency requirement, causing client PUT operations to fail.
Reference topics: S3 Consistency # Strong-global # Cassandra Metadata Replicas # Metadata Quorum # Strict ILM Ingest Behavior
NEW QUESTION # 62
In your extensive StorageGRID deployment, you want to configure a custom alert that notifies you when the CPU utilization of any node exceeds 90% and the node's memory utilization surpasses 80%.
What do you use to define this condition?
Answer: B
Explanation:
StorageGRID custom alert rules define their trigger conditions using Prometheus expressions. NetApp StorageGRID 12.0 documentation states that when creating a custom alert rule, the administrator enters a Prometheus expression for one or more alert severity levels. These expressions evaluate metrics collected from StorageGRID nodes and services and determine when an alert condition becomes true.
For this requirement, the administrator would construct an expression that evaluates both CPU and memory utilization metrics and combines the conditions logically so that the rule triggers only when CPU usage exceeds 90% and memory utilization exceeds 80% for the same applicable node. StorageGRID's Prometheus service collects time-series metrics from services throughout the grid, and those metrics are used by both the Grid Manager monitoring views and the alerting framework.
Option A is incorrect because the Grid Management REST API can expose metrics and can be used to test Prometheus queries, but it is not the syntax used to define the alert condition itself. Option B is an S3 object- query capability and is unrelated to system monitoring. Option C is not the alert-expression language.
Therefore, D. Prometheus expression is the correct answer.
Reference topics: Grid Manager # Alerts # Alert Rules # Create Custom Rule # Prometheus Metrics and Expressions # CPU/Memory Monitoring
NEW QUESTION # 63
A customer runs a StorageGRID deployment with six Storage Nodes at a single site. The customer wants to decommission one of the nodes that hosts an Administrative Domain Controller (ADC) service and replace the node with new hardware.
Before proceeding with the decommission, what is done to ensure that grid quorum and metadata operations remain unaffected?
Answer: B
Explanation:
StorageGRID requires an ADC service quorum at each site at all times. The ADC service maintains grid topology information and provides configuration services used throughout the grid. StorageGRID therefore prevents the decommissioning of a Storage Node if removing that node would violate the site's ADC quorum requirements.
StorageGRID 12.0 provides a supported Move ADC procedure specifically for situations where an administrator needs to decommission a Storage Node hosting ADC. The ADC service can be moved to another eligible Storage Node within the same site. The target must not already host ADC and must be either a combined Storage Node or metadata-only Storage Node. NetApp performs the operation through the Grid Management private API, using POST /private/move-adc/start; progress can be monitored with GET /private
/move-adc. The dependent IDNT, ACCT, and RSM services move automatically with ADC.
Option B is invalid because ADC runs on eligible Storage Nodes, not Admin Nodes. Option C is incorrect because StorageGRID 12.0 documents the migration through the Grid Management API rather than a CLI relocation command. Option D is unsupported; administrators do not manually reinstall ADC.
Therefore, A is correct.
Reference topics: StorageGRID Maintenance # Move ADC # ADC Quorum # Storage Node Decommission
# Grid Management API
NEW QUESTION # 64
A customer created several S3 load balancer endpoints, one of which should be accessible only to a specific tenant that is used for internal backups.
How can you meet this requirement?
Answer: A
Explanation:
StorageGRID load balancer endpoints can be restricted so that only selected tenant accounts are permitted to use a specific endpoint. During endpoint configuration, the administrator uses the Tenant access setting and selects Allow selected tenants, then chooses the backup tenant account. NetApp states that with this setting, only the selected tenant accounts can use the endpoint to access their buckets. This directly satisfies the requirement to dedicate one S3 load balancer endpoint to the internal-backup tenant.
Option A is incorrect because a global binding mode determines where the endpoint is available across eligible Admin and Gateway Node interfaces; it does not restrict access by tenant identity. Option D similarly limits the endpoint to interfaces associated with particular HA groups, which controls network exposure rather than tenant authorization. Option B is not a valid per-tenant isolation mechanism because HTTPS configuration applies to the endpoint connection itself and cannot be selectively disabled for unrelated tenant accounts.
Therefore, the required control is to configure the load balancer endpoint's tenant-access settings and assign access specifically to the backup tenant.
Reference topics: Grid Manager # Load Balancer Endpoints # Tenant Access # Allow Selected Tenants # S3 Client Access Control # Endpoint Binding
NEW QUESTION # 65
Your customer wants to set up a data pipeline to take advantage of some AWS services on their newly ingested data. The data lives in buckets in the customer's on-premises StorageGRID system.
Which solution replicates the objects to the Amazon S3 buckets for usage?
Answer: B
Explanation:
The correct solution is the CloudMirror service. CloudMirror is a StorageGRID Platform Service that automatically replicates selected objects from a StorageGRID S3 bucket to an external S3-compatible destination, including Amazon S3. NetApp specifically identifies the use case of mirroring newly ingested customer data into Amazon S3 so that AWS services can perform analytics or other processing on that data.
CloudMirror operates independently of the grid's active ILM policies. After object ingest succeeds, StorageGRID attempts to deliver the replicated object to the configured destination as soon as possible. The tenant configures a Platform Services endpoint containing the destination Amazon S3 bucket information and credentials, then applies a CloudMirror replication configuration to the source bucket.
Option B is incorrect because cross-grid replication is designed for replication between StorageGRID systems connected through grid federation, rather than for using Amazon S3 as an external analytics destination.
NetApp XCP and Robocopy are file migration/copy utilities and are not StorageGRID's native event-driven S3 replication mechanism.
Therefore, D. CloudMirror service directly satisfies the requirement to replicate newly ingested StorageGRID objects into Amazon S3 for downstream AWS processing.
Reference topics: Tenant Manager # Platform Services # CloudMirror Replication # Amazon S3 Endpoint # Hybrid Cloud Data Pipelines
NEW QUESTION # 66
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