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| Section | Objectives |
|---|---|
| Topic 1: Nutanix Disaster Recovery Solutions | - Failover procedures and execution - Configuring and managing replication policies - Metro Availability configuration and management - Recovery workflows using Nutanix native tools - Integration with third-party backup solutions |
| Topic 2: BCDR Fundamentals and Requirements Interpretation | - Availability metrics and SLA definitions - Defining recovery strategies aligned to business requirements and risk tolerance - Understanding RTO and RPO concepts and business impact analysis - Translating business requirements into resilient recovery architectures - Selecting appropriate replication types (async, near-sync, synchronous, metro) |
| Topic 3: Security and Hardening | - Security best practices for replication - RBAC implementation for disaster recovery - Approval policies configuration - Designing secure BCDR environments |
| Topic 4: Monitoring, Testing and Troubleshooting | - Diagnosing network, storage and replication failures - Resolving third-party backup integration problems - Non-disruptive recovery testing - Troubleshooting permission issues and misconfigured DR environments - Documenting runbooks for incident response - Setting up alerts for replication lag |
| Topic 5: Data Protection and Snapshots | - Snapshot retention policies design - Data restoration at VM and application level - Incremental backup implementation - Snapshot scheduling and management - Storage configuration for BCDR |
| Topic 6: Replication and Failover Architecture | - Failover readiness validation - Asynchronous replication planning - Recovery site capacity management - Network segmentation for BCDR environments - Synchronous replication across sites |
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NEW QUESTION # 43
Which log file should an administrator review to ensure consistent connectivity stability between primary and remote disaster recovery sites?
Answer: A
NEW QUESTION # 44
A remote office deployment consists of a two-node Nutanix hybrid cluster. An administrator attempts to configure a protection domain with a 5-minute RPO (Nearsync) replicating to a central datacenter.
Why is the administrator unable to successfully configure this Nearsync schedule?
Answer: A
Explanation:
Nutanix NearSync replication provides a middle ground between traditional asynchronous replication and synchronous mirroring, offering RPOs as low as 1 minute using Lightweight Snapshots (LWS). However, the LWS mechanism and the high-frequency metadata operations required to maintain a 1-to-15 minute RPO have specific hardware and cluster-level requirements.
One of the strict prerequisites for enabling NearSync is the cluster size. Nutanix requires a minimum of a three-node cluster for NearSync replication. This is because the system must have enough resources to distribute the LWS metadata and handle the increased I/O overhead without compromising the cluster ' s availability or performance. In a two-node cluster (which is common for small ROBO deployments), the system does not meet the minimum redundancy and resource thresholds required for the NearSync engine to operate reliably. While two-node clusters support standard Asynchronous replication (with a 60-minute RPO or higher), they are restricted from using the NearSync lightweight snapshot engine. An administrator attempting to set a 5-minute RPO on a two-node cluster will find the option either grayed out or the task will fail validation. To achieve a 5-minute RPO, the organization would need to expand the remote office cluster to at least three nodes or settle for a higher RPO supported by standard asynchronous replication on the existing hardware.
NEW QUESTION # 45
An organization has two Nutanix clusters managed by a single Prism Central (PC) instance. They intend to implement Synchronous Replication between the sites. During a failover test, the administrator notices that automatic failover does not occur when the primary site ' s storage becomes unavailable. What is the most likely cause of this behavior based on an analysis of the requirements?
Answer: B
Explanation:
In a Nutanix Synchronous Replication or Metro Availability setup, data is mirrored in real-time, but the " intelligence " required to automate a failover resides outside of the two primary clusters. Without a Witness VM (Option C), the secondary cluster cannot distinguish between a total primary site failure and a simple network partition between the two data centers. If the clusters lose communication but there is no Witness to act as an independent tie-breaker, the secondary cluster will stay in a " Standby " state and will not automatically " promote " its storage to " Active " or power on the VMs. This is a safety mechanism to prevent " split-brain " where two clusters might try to serve the same data, leading to corruption. To enable automatic failover, a Witness VM must be deployed at a third, independent site and registered to both clusters. The Witness allows the secondary site to verify that the primary site has indeed failed; once verified, the Witness grants the " lock " to the secondary site, allowing the automated failover process to begin. Thus, the lack of a Witness is the " most likely cause " for why a failover test would fail to trigger automatically during a storage or site outage.
NEW QUESTION # 46
Two AHV clusters are 4 ms RTT apart. The business requires:
* 0 RPO
* Automatic failover
* No application performance degradation
* Hybrid HCI nodes with 100 TB capacity
What storage configuration must be validated before enabling synchronous replication?
Answer: C
Explanation:
Synchronous replication is a high-performance disaster recovery solution designed to provide a Zero Recovery Point Objective (RPO) by mirroring every write operation in real-time between two clusters.
Because the system must wait for the remote site to acknowledge every write before confirming the operation to the application, the underlying storage media must be capable of extremely low-latency I/O.
On hybrid clusters that utilize both Solid State Drives (SSDs) and Hard Disk Drives (HDDs), Nutanix mandates a minimum of one SSD per node to support synchronous replication. The SSD tier is used to store metadata and provide the high-speed " Oplog " where incoming writes are initially landed before being drained to the HDD tier. If a cluster were to attempt synchronous replication using only HDDs (Option D), the mechanical latency of the spinning disks combined with the network Round Trip Time (RTT) would cause severe application performance degradation, failing the business requirement. Even though the cluster has large capacity requirements (100 TB), the presence of an SSD tier is a technical prerequisite for the software to even enable the synchronous consistency feature. Therefore, ensuring at least one SSD exists in every node of the hybrid cluster is the critical storage validation step required before implementation.
NEW QUESTION # 47
A security team has detected a ransomware attack that began encrypting files on the primary site at 2:00 AM.
By 2:45 AM, the primary site is still accessible but workloads are compromised. The administrator needs to recover to a known-good state from before the attack.
Which statement shows the action and reasoning that the administrator should consider?
Answer: D
Explanation:
In a Nutanix Disaster Recovery context, choosing the right failover type is critical during a ransomware event.
A " Planned Failover " is designed for maintenance scenarios. Its first step is to synchronize the current data state to the recovery site to ensure zero data loss. In a ransomware attack, the " current state " is encrypted or corrupted data. If an administrator performs a Planned Failover at 2:45 AM, the system will capture and replicate the encrypted files, effectively " backing up " the ransomware to the recovery site.
To successfully recover from ransomware, the administrator must perform an " Unplanned Failover. " Despite the name, this failover type is the correct choice for this scenario because it allows the administrator to manually select a historical recovery point from the destination cluster ' s storage. By choosing a recovery point from 1:00 AM (before the attack began), the administrator can restore the virtual machines to a known- good, unencrypted state. This is a primary use case for maintaining a multi-day or multi-week snapshot retention policy. While a " Test Failover " (Option A) could be used to verify the 1:00 AM snapshot in an isolated network first, the ultimate production recovery is achieved via an Unplanned Failover that specifically targets a point-in-time snapshot that predates the infection.
NEW QUESTION # 48
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