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Network Appliance NS0-077 Exam Syllabus Topics:

SectionWeightObjectives
StorageGRID Architecture and Components20%- Software and hardware components
  • 1. Load balancers and DNS configuration
  • 2. Admin Node, Gateway Node, Storage Node, Archive Node
- System architecture overview
  • 1. Storage tiers and policies
  • 2. Grid network design
  • 3. Node types and roles
Configuration and Management25%- Grid management
  • 1. Admin interface usage
  • 2. User accounts and permissions
  • 3. Security and access control
- Bucket and object management
  • 1. Creating and managing buckets
  • 2. Object lifecycle policies
  • 3. Versioning and retention settings
Monitoring, Troubleshooting and Maintenance20%- Maintenance and upgrades
  • 1. Software updates and patches
  • 2. Node replacement and expansion
- Troubleshooting common issues
  • 1. Connectivity problems
  • 2. Performance degradation
- Monitoring and alerting
  • 1. System health and performance metrics
  • 2. Log collection and analysis
Data Protection and Availability20%- Backup and restore
  • 1. Grid backup procedures
  • 2. Disaster recovery and failover
- Replication and erasure coding
  • 1. Erasure coding configuration
  • 2. Replication policies and placement rules
Installation and Deployment15%- Deployment procedures
  • 1. Initial configuration and setup
  • 2. Installing software and nodes
- Planning and preparation
  • 1. Requirements and sizing
  • 2. Network and firewall configuration

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Network Appliance NetApp StorageGRID Administrator Exam Sample Questions (Q20-Q25):

NEW QUESTION # 20
A StorageGRID installation is using two sites with multiple SG1100 services appliances for client access.
DNS Round Robin is configured to evenly distribute the traffic to all services appliances.
What increases the throughput for client operations?

Answer: A

Explanation:
Adding another SG1100 services appliance increases aggregate client throughput because each SG1100 can operate as a Gateway Node running the StorageGRID Load Balancer service. With DNS Round Robin, client connections are distributed across the available services appliances, allowing the aggregate load-balancing capacity to scale horizontally. NetApp explicitly identifies increased aggregate throughput and no idle hosts as advantages of the DNS Round Robin load-balancing model.
The SG1100 is specifically designed to provide high-performance Gateway Node and Admin Node services and supports high-speed network connectivity up to 100 GbE. Adding another equivalent SG1100 therefore provides additional processing and network capacity while preserving consistent performance characteristics across the load-balancer pool. NetApp cautions against mixing services appliances with substantially different performance levels when balancing client traffic.
Option B is incorrect because the SGF6112 is a Storage Node appliance, while StorageGRID load-balancer caching is available only on Gateway Nodes. Option C does not provide the same intended horizontal client- throughput expansion. Option D would substitute an SG110, a lower-performance services appliance, and could create inconsistent load-balancing performance.
Therefore, A is the correct answer.
Reference topics: StorageGRID Load Balancing # DNS Round Robin # SG1100 Services Appliances # Gateway Nodes # Aggregate Client Throughput


NEW QUESTION # 21
During a troubleshooting session with a NetApp Support Engineer, you are asked to upload log files for further analysis.
Which two methods do you use to generate and upload the required logs to NetApp Support using upload.
netapp.com/sg? (Choose two.)

Answer: A,B

Explanation:
StorageGRID diagnostic information requested by NetApp Support can be collected through the Grid Manager log-collection interface . NetApp documents SUPPORT > Tools > Log collection as the standard StorageGRID mechanism for gathering logs, configuration data, system information, and other diagnostic content from selected grid nodes. The resulting .tar.gz archive can be downloaded or sent to NetApp Technical Support.
NetApp Active IQ OneCollect is also a NetApp diagnostic collection framework that supports StorageGRID environments and can collect consolidated support information for troubleshooting. NetApp documentation identifies OneCollect as a mechanism for gathering diagnostic data from supported NetApp systems, including StorageGRID, and making that information available for support analysis.
Lumberjack is a StorageGRID node-level troubleshooting utility and remains useful for specialized log collection, but for this question's wording-specifically generating and uploading support data through the NetApp support workflow-the intended choices are OneCollect and Grid Manager log collection .


NEW QUESTION # 22
You have a StorageGRID environment consisting of two sites deployed as virtual machines. Site A contains the primary Admin Node, one Gateway Node, and four Storage Nodes. Site B contains a nonprimary Admin Node, one Gateway Node, and four Storage Nodes. All client operations use load balancer endpoints through the Gateway Node. A host in Site A running both the primary Admin Node and Gateway Node has crashed.
What recovery process should you use to resume client operations the quickest?

Answer: D

Explanation:
When a physical or virtual host containing multiple StorageGRID nodes fails, NetApp defines a specific recovery-order requirement when one of those nodes is the primary Admin Node. StorageGRID 12.0 documentation states that if the failed server hosts the primary Admin Node, the primary Admin Node must be recovered first. This prevents subsequent node-recovery operations from stopping while attempting to communicate with services associated with the primary Admin Node.
Therefore, the administrator should deploy a replacement VM for the primary Admin Node and perform the documented primary Admin Node recovery. After the primary Admin Node is operational, recovery of the failed Gateway Node can proceed, restoring the intended client load-balancing path.
Option A is invalid because StorageGRID does not permit adding a primary Admin Node through an expansion; the primary Admin Node is established during initial installation and a failed one must be recovered. Options B and D incorrectly prioritize the Gateway Node while the failed host also contains the primary Admin Node. The StorageGRID 12.0 recovery guidance explicitly requires the primary Admin Node to be handled first in this situation.
Reference topics: Maintenance # Node Recovery # Primary Admin Node Recovery # Multiple Nodes on Failed Host # Gateway Node Recovery # Load Balancer Service


NEW QUESTION # 23
You are setting up a StorageGRID environment that must maintain data for regulatory compliance.
Which two items are required? (Choose two.)

Answer: A,C

Explanation:
For regulatory retention in StorageGRID, the required mechanisms are S3 Object Lock and a compliant default ILM rule. StorageGRID implements write-once-read-many protection through S3 Object Lock.
NetApp states that the global S3 Object Lock setting must be enabled before tenants can create buckets with S3 Object Lock enabled. Once enabled globally, the setting cannot be disabled.
There is also a mandatory ILM dependency. NetApp explicitly requires the default rule in every active ILM policy to be compliant before global S3 Object Lock can be enabled. A compliant default rule must maintain at least two replicated copies or one erasure-coded copy on Storage Nodes, must begin protection at day 0 using Ingest time, cannot place the protected copies in a Cloud Storage Pool, and must include a placement extending forever.
Option A is incorrect because SnapLock is an ONTAP WORM technology and is not the StorageGRID compliance mechanism. Option B is also incorrect: StorageGRID regulatory retention does not require an administrator-configured "Compliance Clock." Object retention is enforced through S3 Object Lock retain- until dates, retention modes, legal holds, and compliant ILM placement.
Reference topics: S3 Object Lock # Regulatory Compliance # Compliant ILM Rules # Default ILM Rule # Retention and Legal Hold


NEW QUESTION # 24
Your customer wants to maintain high availability during maintenance activities such as upgrades, hotfixes, and firmware updates.
Which best practice should the customer follow to ensure minimal disruption?

Answer: A

Explanation:
StorageGRID maintenance should be performed using a rolling, node-by-node approach so that the grid continues providing S3 services while individual nodes are temporarily unavailable. NetApp states that StorageGRID upgrades are designed to be non-disruptive: nodes of the same type are taken down and upgraded one at a time, preventing all nodes of a particular role from becoming unavailable simultaneously.
NetApp also permits administrators to approve individual nodes or groups of nodes and, when upgrade order is important, explicitly recommends waiting for one node or group to complete before approving the next.
During this process, administrators should monitor Grid Manager for node status, alerts, and service health.
High availability also depends on appropriate architecture: ILM policies should maintain redundant object copies, and S3 clients should connect through HA-group VIPs, highly available third-party load balancers, or multiple Gateway Nodes.
Option A increases operational risk by scheduling maintenance during peak load. Option C could remove too much grid capacity simultaneously and defeat redundancy. Option D is not a prescribed StorageGRID maintenance procedure and could unnecessarily disrupt grid and client communication.
Reference topics: Software Update # Rolling Upgrade # Hotfix Installation # Node Availability # HA Client Connectivity # ILM Redundancy


NEW QUESTION # 25
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