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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Monitoring, Troubleshooting and Maintenance | 20% | - Maintenance and upgrades
|
| Topic 2: Data Protection and Availability | 20% | - Replication and erasure coding
|
| Topic 3: Installation and Deployment | 15% | - Planning and preparation
|
| Topic 4: StorageGRID Architecture and Components | 20% | - Software and hardware components
|
| Topic 5: Configuration and Management | 25% | - Grid management
|
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NEW QUESTION # 34
An enterprise is expanding a single-site StorageGRID deployment and is adding new nodes on a new subnet.
What is a requirement for configuring the Grid Network?
Answer: C
Explanation:
When an existing StorageGRID deployment is expanded with nodes whose Grid Network IP addresses are on a subnet that has not previously been used, that subnet must be added to the Grid Network subnet list before the expansion is started. StorageGRID maintains this list so that every grid node can correctly route internal Grid Network traffic to the other participating subnets. NetApp StorageGRID 12.0 documentation explicitly states that if any new node uses a new Grid Network subnet, the administrator must add that subnet first; otherwise, the expansion must be cancelled, the subnet added, and the expansion restarted.
The configuration is performed in Grid Manager # Maintenance # Network # Grid Network, where the administrator selects Add another subnet and enters the network in CIDR notation. StorageGRID then distributes the routing configuration throughout the grid.
Option A is incorrect because routes do not need to be configured manually on every node. Option B is incorrect because a StorageGRID Gateway Node provides client load-balancing functions and is not an IP router between Grid Network subnets. Option D is also incorrect; StorageGRID explicitly supports multiple Grid Network subnets, provided they are routable through the configured Grid Network gateway.
Reference topics: StorageGRID Expansion # Grid Network # Grid Network Subnet List # Adding Nodes on New Subnets # Grid Network Routing
NEW QUESTION # 35
Your team is troubleshooting intermittent connectivity issues during peak hours. You suspect that one or more StorageGRID nodes might be experiencing performance issues or downtime, and you want the load balancer to automatically skip these nodes.
Which feature in the third-party load balancer is designed to detect unresponsive nodes and prevent them from receiving client requests?
Answer: A
Explanation:
The correct feature is health checks. When a third-party load balancer is placed in front of StorageGRID nodes, it must continuously determine which backend nodes are healthy enough to accept S3 client traffic.
NetApp specifically recommends configuring a health-check mechanism so the load balancer can test each node and remove an unhealthy or unresponsive node from the active pool.
For StorageGRID, NetApp recommends using an HTTP OPTIONS request as a health probe. The load balancer sends the request directly to each Storage Node and expects an HTTP 200 response. If a node repeatedly fails to return the expected response, the third-party load balancer marks that node offline and stops directing new client connections to it. NetApp's guidance gives an example polling interval of once per second and marking a node offline after three failed checks.
Option A, GSLB, distributes traffic between geographically separate sites or data centers rather than determining the health of an individual backend node. Option C, SSL offloading, handles TLS processing.
Option D, session persistence, keeps a client's requests associated with a selected backend and does not detect failed nodes.
Therefore, B. health checks directly satisfies the requirement.
Reference topics: Third-Party Load Balancers # Backend Node Health Checks # HTTP OPTIONS Probe # Node Pool Availability # S3 Client Connectivity
NEW QUESTION # 36
You have a 4-node NetApp ONTAP cluster that has been using FabricPool technology to tier data to a dedicated StorageGRID endpoint on a grid composed of two Admin Nodes, two Gateway Nodes in an HA group, and four Storage Nodes. After one year, your ONTAP cluster displays an error connecting to the grid to tier data. You have no reports of issues with any other applications or users on your StorageGRID system.
What is the cause of the error?
Answer: B
Explanation:
FabricPool normally connects ONTAP to StorageGRID through an HTTPS load balancer endpoint. That endpoint uses a server certificate so that ONTAP can authenticate the StorageGRID service. NetApp specifically warns that if the certificate securing the ONTAP-to-StorageGRID connection expires, FabricPool temporarily stops working and ONTAP loses access to data tiered to StorageGRID.
The same problem can occur when the endpoint certificate is renewed or replaced in StorageGRID but the corresponding trusted certificate on ONTAP is not updated. NetApp requires the StorageGRID and ONTAP certificate configurations to remain synchronized; after certificate replacement or renewal, ONTAP must trust the new certificate chain.
The scenario also eliminates the node-failure answers. The two Gateway Nodes are configured in an HA group, so failure of one Gateway Node should not independently cause the FabricPool endpoint to become unavailable. Likewise, losing one Storage Node does not normally prevent access to the StorageGRID S3 service. A Client Network trust-state change would have broader networking implications and does not fit the isolated, time-related FabricPool failure described.
Therefore, C is the correct answer.
Reference topics: FabricPool Integration # StorageGRID Load Balancer Endpoints # HTTPS/TLS Certificates # Certificate Expiration and Rotation
NEW QUESTION # 37
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 # 38
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: A
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 # 39
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