NutanixのNCP-BC-7.5試験に合格することは容易なことではなくて、良い訓練ツールは成功の保証でMogiExamは君の試験の問題を準備してしまいました。君の初めての合格を目標にします。
| Section | Objectives |
|---|---|
| Topic 1: Security and Hardening | - Designing secure BCDR environments - Approval policies configuration - Security best practices for replication - RBAC implementation for disaster recovery |
| Topic 2: Replication and Failover Architecture | - Failover readiness validation - Asynchronous replication planning - Synchronous replication across sites - Network segmentation for BCDR environments - Recovery site capacity management |
| Topic 3: Monitoring, Testing and Troubleshooting | - Documenting runbooks for incident response - Diagnosing network, storage and replication failures - Resolving third-party backup integration problems - Non-disruptive recovery testing - Troubleshooting permission issues and misconfigured DR environments - Setting up alerts for replication lag |
| Topic 4: Data Protection and Snapshots | - Snapshot scheduling and management - Snapshot retention policies design - Data restoration at VM and application level - Incremental backup implementation - Storage configuration for BCDR |
| Topic 5: BCDR Fundamentals and Requirements Interpretation | - Availability metrics and SLA definitions - Translating business requirements into resilient recovery architectures - Defining recovery strategies aligned to business requirements and risk tolerance - Understanding RTO and RPO concepts and business impact analysis - Selecting appropriate replication types (async, near-sync, synchronous, metro) |
| Topic 6: Nutanix Disaster Recovery Solutions | - Recovery workflows using Nutanix native tools - Failover procedures and execution - Integration with third-party backup solutions - Metro Availability configuration and management - Configuring and managing replication policies |
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質問 # 27
Which statement describes the automatic detachment timeout period for a snapshot disk mounted to a VM using the Nutanix Guest Tools (NGT) Self-Service Restore (SSR) feature?
正解：C
解説：
Self-Service Restore (SSR) is designed to be a temporary recovery operation. When a user uses the SSR agent to mount a historical snapshot disk, that disk is attached to the VM via the hypervisor ' s virtual controller.
While it is a best practice for the user to " unmount " and " detach " the disk once they have recovered their files, the Nutanix system includes a safety mechanism to prevent these temporary disks from being left attached indefinitely.
Nutanix enforces a built-in automatic detachment timeout of 24 hours. If a disk remains attached via the SSR workflow for longer than 24 hours, the Nutanix orchestration engine will automatically trigger a detachment task to clean up the VM ' s configuration. This is essential for maintaining cluster " hygiene, " as stale snapshots attached to VMs can interfere with future backup operations, prevent VM migrations (vMotion), or lead to unnecessary storage overhead if the snapshots are kept " locked " by the attachment. Understanding this 24-hour timeout helps administrators reassure users that they have a full day to perform their recovery tasks while ensuring the infrastructure team that the environment will automatically revert to a clean state without manual intervention. This balance of user flexibility and system automation is a hallmark of the Nutanix BCDR design.
Here are questions 81 through 100 from the Nutanix Certified Professional - Business Continuity (NCP-BC)
7.5 exam set, formatted strictly as requested with detailed technical explanations for each.
質問 # 28
A VM is protected in an Async Protection Policy and added to a Recovery Plan. An administrator is attempting to perform a planned failover of the VM. How many recovery points are created and replicated during the planned failover process?
正解：B
解説：
A Planned Failover in Nutanix Disaster Recovery is an orchestrated workflow designed to migrate workloads with zero data loss. However, the behavior of recovery point creation depends on the current state of synchronization and the type of replication policy. For standard Asynchronous (Async) Protection Policies, the system typically relies on the established schedule to maintain recovery point consistency. In many automated workflows, especially during a test or a specific " planned " trigger, the administrator might assume a new snapshot is generated; however, if the system is designed to use the most recent " consistent " state, it may rely on the last successfully replicated recovery point to initiate the restore.
Technically, if a new point were to be created, it would require the VM to be shut down at the source to ensure application consistency-a process that is part of the planned failover sequence. If the policy is configured to use existing data for speed, it bypasses new creation to minimize the maintenance window. This emphasizes the importance of verifying that replication is " In-Sync " or " Healthy " before starting a planned failover. If the last recovery point is several hours old, the " planned " move could result in a significant rollback unless the administrator manually triggers a synchronization task prior to the failover event.
Understanding this behavior ensures that BCDR administrators can accurately predict data states following a controlled migration between sites.
質問 # 29
An administrator is migrating from a Protection Domain-based deployment to a Prism Central (PC)-based deployment. What occurs if a snapshot is deleted before the protection policy is applied to the migrated entities?
正解：A
解説：
Migrating from legacy Protection Domains to modern Prism Central Protection Policies involves transitioning the management of virtual machine snapshots. During this process, the historical snapshots created by the Protection Domain are often intended to be " claimed " or utilized by the new PC-based system as valid recovery points.
Snapshots are point-in-time references to data on the storage tier. If a snapshot is deleted from the cluster before the migration to Protection Policies is finalized, the underlying data blocks associated with that specific point in time may be reclaimed by the system ' s garbage collection process. Consequently, the recovery points that were associated with that deleted snapshot will no longer be available for use within the new deployment. The system cannot " automatically recreate " (Option A) a deleted snapshot because the exact historical state of the data is lost once the snapshot is purged. The migration itself typically continues for the remaining valid data, but the loss of historical recovery points could impact the business ' s ability to restore to specific past dates. This highlights the importance of data retention awareness during management-plane migrations.
質問 # 30
An administrator plans on performing a failover of a VM from a source cluster to a DR cluster. The administrator needs the VM ' s IP address preserved after failover. In what scenario is the VM ' s IP address preserved?
正解：B
解説：
Preserving IP addresses during a failover is a common requirement for applications with hardcoded IP references or complex inter-service dependencies. In a standard multi-site DR setup, the source and destination sites reside on different Layer 3 subnets, meaning a VM would naturally require a new IP address to be routable at the recovery site. To achieve " IP Preservation, " the underlying network infrastructure must support Layer 2 (L2) stretching.
L2 stretching (often implemented via VXLAN or specialized VPN tunnels like Nutanix Flow Virtual Networking) allows a single logical subnet to span multiple physical locations. When a VM fails over to a cluster on a stretched subnet, it effectively stays on the same network broadcast domain. As a result, its IP address, default gateway, and subnet mask remain valid and unchanged. If the subnets are not stretched, the administrator must rely on the Recovery Plan ' s " IP Mapping " feature to assign a new, valid IP at the destination-which does not " preserve " the original address. While preserving IPs simplifies application recovery, it requires more complex network engineering to ensure that traffic is correctly routed to the active site during a disaster, highlighting the trade-off between application simplicity and infrastructure complexity in BCDR design.
質問 # 31
An administrator has VMs in a container named VMData on Cluster A that need to be replicated to Cluster B.
In order to configure new replications to Cluster B, the administrator creates a container named VMData on Cluster B with an advertised capacity of 200GB.
The VMs on Cluster A in the VMData container have these characteristics:
* Large VMs taking up 4TB of space
* Low data churn rate
* 100GB of recovery points
* NGT is installed
* Recovery points are application-consistent
After replications begin the administrator quickly notices replications are not progressing.
What best explains what happened?
正解：C
解説：
Replication in a Nutanix environment always begins with an " initial seed " . This first replication task is a full, 1-to-1 copy of all the data blocks currently occupied by the virtual machines on the source cluster. Unlike subsequent incremental snapshots-which only transfer the changed blocks-the initial seed requires sufficient physical or logical space at the destination to hold the entire data set of the protected VMs.
In this scenario, the administrator attempted to protect 4TB of virtual machine data but restricted the destination container ' s capacity to a mere 200GB. Because the destination container reports only 200GB of available space, the replication job will immediately stall or fail to progress as soon as the incoming data stream exceeds that limit. Nutanix replication requires a " landing zone " that can accommodate the full size of the initial snapshot before it can begin the process of data reduction (like compression or deduplication) at the remote site. To fix this, the administrator must increase the advertised capacity of the VMData container on Cluster B to at least 4TB (plus overhead for future growth and snapshots) to allow the initial full seed to complete successfully, thereby establishing the baseline for the BCDR protection schedule.
質問 # 32
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