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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Protection and Availability | 20% | - Replication and erasure coding
|
| Topic 2: Monitoring, Troubleshooting and Maintenance | 20% | - Monitoring and alerting
|
| Topic 3: Configuration and Management | 25% | - Bucket and object management
|
| Topic 4: StorageGRID Architecture and Components | 20% | - Software and hardware components
|
| Topic 5: Installation and Deployment | 15% | - Deployment procedures
|
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NEW QUESTION # 46
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: C
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 # 47
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: C
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 # 48
An existing StorageGRID system spans three sites. A fourth site will be added and will only store local data with a 2+1 information lifecycle management (ILM) policy.
What StorageGRID component requires network bandwidth and latency sizing between all four sites?
Answer: D
Explanation:
The correct answer is metadata updates. StorageGRID maintains object metadata independently from object data, using the distributed Cassandra database. NetApp specifies that StorageGRID stores three copies of the metadata for every object at each site, meaning every site maintains metadata for all objects in the grid, regardless of where the object data itself is physically stored.
This distinction is critical in the scenario. Even though the new fourth site uses an ILM policy that keeps its object data local with a 2+1 protection scheme, metadata activity is still grid-wide. NetApp explicitly states that administrators must consider network bandwidth and latency between sites because metadata updates are continually replicated between sites even when all object copies remain at the site where they were ingested.
Therefore, the WAN links connecting all four sites must be sized to support continuous metadata synchronization.
Load balancer endpoints handle S3 client connectivity and do not create this universal intersite requirement.
NTP requires reliable time synchronization but is not the workload driving the stated bandwidth-sizing requirement. Storage pools are logical ILM constructs and do not themselves replicate metadata.
Therefore, B. metadata updates is the required component.
Reference topics: StorageGRID Expansion # Adding a Site # Cassandra Metadata Replication # Intersite Network Bandwidth and Latency # ILM Data Placement
NEW QUESTION # 49
A StorageGRID site is moving to a new data center with a different network subnet. The environment will remain online with information lifecycle management (ILM) policies that ensure data is replicated across sites.
What is used to configure the network settings for the new data center?
Answer: D
Explanation:
The correct tool for modifying network addressing on an existing StorageGRID deployment is the change-ip tool. NetApp documents that the Change IP tool can modify the network configuration of one or more grid nodes, including the IP address, subnet mask/prefix, gateway, and MTU. It can also update Grid Network configuration and add, modify, or remove Admin and Client Network addressing.
This is the appropriate mechanism when moving an operational StorageGRID site to a new data center where the network subnet changes. The tool provides a controlled workflow to select affected nodes, edit addressing, review the proposed configuration, validate the changes, and then apply them to the grid. StorageGRID 12.0 documentation shows the workflow explicitly through the change-ip command and its menu options for editing IP/mask, gateway, MTU, and Grid Network subnet information.
Option A is primarily used during appliance installation and certain appliance maintenance operations, not as the general grid-wide IP migration tool. Option C bypasses StorageGRID configuration management and must not be used as the normal method for persistent grid-network changes. Option D manages tenant-level S3 resources and cannot modify node networking.
Reference topics: StorageGRID Maintenance # Network Procedures # Configure IP Addresses # Change Node Network Configuration # Change IP Tool
NEW QUESTION # 50
A user is having an issue deleting a version of an object in a bucket that they are working with.
What must the user check to see if they have the correct permissions?
Answer: A
Explanation:
To delete a specific version of an S3 object, the user must have the appropriate S3 permission, specifically s3:
DeleteObjectVersion. In StorageGRID, permissions granted to tenant users are commonly defined through group policies, which control which S3 actions members of the group are authorized to perform against specified bucket and object resources. NetApp explicitly maps s3:DeleteObjectVersion to the S3 operation that deletes a specific object version.
Therefore, the user should verify the group policy associated with their tenant account and confirm that it allows s3:DeleteObjectVersion for the required bucket or object ARN. An explicit Deny for this action would override an Allow. NetApp even provides policy examples that specifically restrict users from deleting versioned objects by denying s3:DeleteObjectVersion.
Option B is incorrect because an S3 lifecycle policy automates object expiration and version-management behavior; it does not grant interactive user permissions. Option C governs where and how StorageGRID stores and protects object data, not S3 authorization. Option D refers to administrative privileges and is not the standard mechanism controlling a tenant user's object-level S3 operations.
Therefore, A. group policy is correct.
Reference topics: Tenant Manager # Groups # S3 Group Policies # s3:DeleteObjectVersion # Versioned Object Permissions # Explicit Deny/Allow Evaluation
NEW QUESTION # 51
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