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| Section | Objectives |
|---|---|
| Topic 1: Data Protection and Backup Integration | - Backup Solutions Integration - Snapshot Management |
| Topic 2: Recovery Operations | - Recovery Plans and Orchestration - Test Recovery Workflows - Failover and Failback Procedures |
| Topic 3: Prism Central Management | - Cluster and Site Management - DR Monitoring and Operations |
| Topic 4: Disaster Recovery Fundamentals | - DR Concepts (RPO, RTO, SLAs) - Business Continuity Principles |
| Topic 5: Nutanix Disaster Recovery Architecture | - Replication Types (Sync/Async) - Nutanix Leap Overview - Protection Domains |
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質問 # 88
A Nutanix protection policy is configured with:
* RPO: 1 hour,
* Retention period: 5 days,
* Retention type: Roll-up.
After six days of continuous operation, approximately how many hourly recovery points will still be available for restores for the most recent 24-hour period?
正解：A
解説：
Nutanix uses a " Roll-up " retention strategy to optimize storage while maintaining a range of recovery options. This strategy keeps all high-frequency recovery points for the most recent period and then consolidates (rolls up) older snapshots into daily or weekly points as they age.
For a policy with a 1-hour RPO and 5-day retention, the system is designed to provide granular recovery for the immediate past. By default, Nutanix retention logic maintains the hourly snapshots for the current 24-hour window. As snapshots move past the 24-hour mark, they are " rolled up " into a single daily snapshot to save space while still providing a 5-day historical view. Therefore, after six days of operation, the administrator will find approximately 24 hourly recovery points for the most recent 24 hours, followed by several daily recovery points representing the previous four days. This approach balances the need for surgical " point-in- time " recovery (to combat recent data corruption or ransomware) with the need for long-term historical data, ensuring that the BCDR solution is both effective and storage-efficient.
質問 # 89
In the case of a protection domain containing more than 500 VMs, what is the first step an engineer must take before migrating to Prism Central-based protection policies while ensuring all VMs remain protected?
正解：D
解説：
Migrating from legacy Protection Domains to modern Prism Central Protection Policies is a recommended practice for scaling DR management. However, large environments must account for architectural limits during this transition. A Nutanix cluster has specific maximum thresholds for the number of entities (VMs) that can be contained within a single Protection Domain, and similar limits exist for the initial " handoff " to Prism Central.
If a single legacy Protection Domain contains more than 500 VMs, attempting to migrate it as a single unit can lead to timeouts, metadata synchronization failures, and potential gaps in protection. To ensure that all VMs remain consistently protected during the migration, the first step is to " split " the existing large Protection Domain into multiple smaller, more manageable ones. For example, an administrator might split a
600-VM domain into three 200-VM domains. This reduction in " entity density " allows the Nutanix Cerebro and Prism Central services to process the migration tasks more efficiently without hitting resource contention or task timeout limits. Once the VMs are organized into these smaller groups, they can be systematically unlinked from the legacy domains and added to the new PC-based Protection Policies. This phased and controlled approach minimizes risk and ensures that a valid recovery point always exists for every VM throughout the entire migration lifecycle.
質問 # 90
After a storage failover in a synchronous replication environment, users report higher I/O latency and degraded performance compared to pre-failover levels. Cluster health is normal, and replication is functioning correctly. Which post-failover cleanup action could the administrator perform to correct the performance issue?
正解：A
解説：
Synchronous replication environments (like Metro Availability) allow for zero-RPO failover, but the performance of the workload is highly dependent on " Data Locality " . Nutanix architecture is built on the principle that a VM ' s compute (vCPU/RAM) should ideally reside on the same host or cluster that serves its primary storage I/O.
During a storage failover, the " Active " container role may move to the recovery site, but the virtual machines might still be running on the primary site ' s compute nodes. This causes " Remote I/O, " where every read and write must traverse the network link to reach the active storage container at the other site, resulting in the reported higher latency and degraded performance. To resolve this, the administrator must " realign " the compute and storage by performing a vMotion (or live migration) of the VMs to the cluster that is now hosting the active storage role. While the Acropolis Dynamic Scheduler (ADS) (Option D) eventually attempts to rebalance, a manual realignment ensures that performance is restored immediately after the failover stabilization. Reconfiguring schedules (Option C) or retention (Option A) has no impact on real-time I
/O latency, highlighting the critical role of data locality in high-performance BCDR designs.
質問 # 91
An administrator migrates a guest VM from a legacy Protection Domain-based DR configuration to a Prism Central (PC)-based Protection Policy. Immediately after migration, the administrator considers deleting the legacy Protection Domain snapshots to reclaim storage. According to Nutanix guidance, when is it safe to delete the legacy Protection Domain snapshots?
正解：D
解説：
Transitioning from legacy Protection Domains (which are cluster-centric) to modern Prism Central-based Protection Policies (which are management-plane centric) is a common task during Nutanix environment upgrades. This migration involves a " handoff " where the responsibility for snapshots and replication shifts from the local Cerebro service on the cluster to the global orchestration provided by Prism Central.
The primary risk during this migration is the creation of a " protection gap. " If an administrator deletes the legacy snapshots immediately after assigning a new policy, and that new policy has not yet successfully completed its first replication cycle, the virtual machine is effectively unprotected. If a disaster occurs at that exact moment, there would be no valid recovery points at the destination site to restore from. Nutanix best practice dictates that legacy artifacts must be preserved until the new system is verified as operational. Once the first recovery point for the VM appears in the Prism Central " Recovery Points " tab, it confirms that the new Protection Policy has successfully captured the VM ' s state and replicated it to the recovery AZ. At this stage, the legacy snapshots in the Protection Domain become redundant and can be safely deleted to reclaim storage space without compromising the organization ' s ability to meet its Recovery Point Objective (RPO) and Recovery Time Objective (RTO).
質問 # 92
An administrator finds replications for Marketing VMs are failing to replicate. After doing some digging the administrator was able to find the following:
* Connectivity was confirmed on ports 2020 and 2009 between the clusters
* All other VMs are replicating successfully
* Cluster wide storage has plenty of remaining space
* No firewall exists between the sites
* Marketing VMs are running Windows, successful VMs are running Linux
What could be causing the Marketing VMs to fail replications?
正解：B
解説：
In a complex BCDR environment, replication failures that affect only a specific subset of virtual machines- while others on the same cluster succeed-usually point to a configuration mismatch rather than a general network or storage issue. Since the ports (2009 and 2020) are confirmed open and storage is available, the transport layer is functional. The fact that Linux VMs are succeeding while Windows (Marketing) VMs are failing suggests that the two groups may be mapped to different destination storage containers. In Nutanix replication, if a container mapping is explicitly set for one set of entities (the Linux VMs) but not for another (the Marketing VMs), the second group might be defaulting to a destination container that is either missing, misconfigured, or has restricted permissions. This specific scenario implies that the successful Linux VMs are benefiting from a correctly configured container mapping on the remote site, whereas the Marketing VMs are likely attempting to replicate to a location where mapping is invalid or non-existent. Troubleshooting this requires an administrator to verify the Prism Central container mapping settings to ensure that the storage targets for all protected categories are reachable and correctly associated with the destination storage pool.
質問 # 93
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あなたは自分の役職で長年働いてきましたが、昇進していませんか？それとも、新しい社内のコーナーと自分が顕著なようにするために熱望していますか？ NCP-BC-7.5試験の資料が役立ちます。当社Nutanixの製品で数日間勉強して練習した後、NCP-BC-7.5試験に簡単に合格します。神は自ら助ける者を助く。私たちの教材を選ぶと、あなたのそばに神が見つかるでしょう。あなたがしなければならない唯一のことは、あなたの選択をして、私たちのNCP-BC-7.5試験問題を勉強することです。とても簡単ではないですか？だから、今すぐNCP-BC-7.5学習Nutanix Certified Professional - Business Continuity (NCP-BC) 7.5ガイドについてもっと知りましょう！
NCP-BC-7.5的中関連問題: https://www.jptestking.com/NCP-BC-7.5-exam.html