NS0-404 NetApp Certified Hybrid Cloud - Implementation Engineer Practice Questions
Prepare for NS0-404 with more than an answer.
- Level
- Professional
- Valid for
- 2 years
Domains covered on the exam 5
- Deployment20%
- Data Protection20%
- Automation20%
- Troubleshooting20%
- Operations20%
- 1
An organization is using BlueXP backup and recovery to protect their on-premises ONTAP data to Amazon S3. They are subject to strict financial compliance regulations that require immutable backups for 7 years. Which feature must be enabled to meet this compliance requirement?
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Correct answer: C
BlueXP backup and recovery supports DataLock and Ransomware Protection, which leverages the WORM (Write Once, Read Many) capabilities of the underlying object storage (like AWS S3 Object Lock) to make backups immutable. This prevents accidental deletion or malicious alteration, satisfying strict compliance retention requirements.
- 2
A financial institution is designing a hybrid cloud disaster recovery architecture for a critical transactional database. The primary storage is an on-premises AFF system, and the DR site is a Cloud Volumes ONTAP instance in Azure.
The business requires a Recovery Point Objective (RPO) of zero (no data loss) and a Recovery Time Objective (RTO) of less than 5 minutes. The network latency between the on-premises data center and the Azure region is stable at 6 milliseconds.
Which replication technology and configuration must the implementation engineer choose to satisfy these requirements?
sequenceDiagram participant App as Application participant AFF as On-Prem AFF participant CVO as Azure CVO App->>AFF: Write Data AFF->>CVO: Replicate Data CVO-->>AFF: Acknowledge Receipt AFF-->>App: Acknowledge WriteShow answer details
Correct answer: D
To achieve an RPO of zero, the replication must be synchronous. SnapMirror Synchronous (StrictSync) ensures that the application write is not acknowledged until it is successfully written to both the primary (AFF) and secondary (CVO) storage. This requires low latency (typically <10ms, which is met by the 6ms latency provided). Asynchronous replication, even at 1-minute intervals, cannot guarantee zero data loss.
- 3
A storage administrator needs to design a data protection strategy where an on-premises volume (Site A) replicates to a regional disaster recovery site (Site B) for quick failover, and then from Site B to a public cloud instance (Site C) for long-term retention. This is known as a SnapMirror cascade. Which TWO statements are true regarding SnapMirror cascade deployments? (Select TWO)
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Correct answer: A, D
In a standard SnapMirror cascade (A -> B -> C), the middle volume (B) acts as the destination for the first relationship and the source for the second. It must be a Data Protection (DP) volume, which is read-only.
SnapMirror supports mixing relationship types in a cascade. It is very common to use SnapMirror for DR (A -> B) and SnapVault for long-term retention/archiving (B -> C).
- 4
A cloud architect is preparing to deploy Cloud Volumes ONTAP (CVO) in an AWS environment. Before provisioning the storage systems, which core NetApp management component must be deployed and active to facilitate this deployment?
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Correct answer: D
The BlueXP Connector is the essential software agent deployed in your cloud environment or on-premises network that allows BlueXP to manage resources and processes. It is a strict prerequisite for deploying and managing Cloud Volumes ONTAP (CVO) systems in any hyperscaler.
- 5
While configuring a BlueXP Connector in Microsoft Azure, a deployment engineer assigns a custom role to the Connector's virtual machine. Which of the following permissions is critically required in the JSON policy to allow the Connector to associate CVO nodes with specific subnets?
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Correct answer: A
In Azure, the BlueXP Connector requires specific role-based access control (RBAC) permissions to orchestrate infrastructure. The 'Microsoft.Network/virtualNetworks/subnets/join/action' permission is mandatory because it allows the Connector to attach the network interfaces of the newly provisioned CVO virtual machines to the designated subnets within the VNet.
- 6
A global enterprise is designing a highly available Cloud Volumes ONTAP (CVO) architecture in AWS to serve mission-critical block storage to EC2 instances across multiple Availability Zones.
The organization requires strict compliance with high availability best practices, ensuring that a failure of a single AZ does not disrupt storage access. The architect plans to deploy a CVO HA pair across two AZs.
Which architectural component is mandatory to facilitate storage failover (SFO) and prevent split-brain scenarios in this multi-AZ deployment?
graph TD subgraph AWS_VPC [VPC] subgraph AZ1 [Availability Zone 1] Node1[CVO Node 1] end subgraph AZ2 [Availability Zone 2] Node2[CVO Node 2] end subgraph AZ3 [Availability Zone 3] ComponentX[???] end end Node1 ComponentX Node2 ComponentX Node1 Node2Show answer details
Correct answer: C
In a multiple-AZ Cloud Volumes ONTAP HA deployment in AWS, the NetApp ONTAP Mediator is required to monitor the status of both nodes. It is deployed in a third AZ (or outside the primary two AZs) to provide quorum. If one AZ fails, the Mediator communicates with the surviving node to safely initiate storage failover while preventing a split-brain condition where both nodes attempt to serve data simultaneously.
