지난 몇년동안 IT산업의 지속적인 발전과 성장을 통해Nutanix 인증NCP-BC-7.5시험은 IT인증시험중의 이정표로 되어 많은 인기를 누리고 있습니다. IT인증시험을ExamPassdump덤프로 준비해야만 하는 이유는ExamPassdump덤프는 IT업계전문가들이 실제시험문제를 연구하여 시험문제에 대비하여 예상문제를 제작했다는 점에 있습니다.
| Section | Objectives |
|---|---|
| Topic 1: Prism Central Management | - Cluster and Site Management - DR Monitoring and Operations |
| Topic 2: Data Protection and Backup Integration | - Snapshot Management - Backup Solutions Integration |
| Topic 3: Recovery Operations | - Test Recovery Workflows - Recovery Plans and Orchestration - Failover and Failback Procedures |
| Topic 4: Disaster Recovery Fundamentals | - Business Continuity Principles - DR Concepts (RPO, RTO, SLAs) |
| Topic 5: Nutanix Disaster Recovery Architecture | - Replication Types (Sync/Async) - Nutanix Leap Overview - Protection Domains |
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질문 # 29
What is the bandwidth limit of a single Nutanix Cloud Gateway for IPSec traffic?
정답：C
설명：
The Nutanix Cloud Gateway serves as a critical bridge between on-premises Nutanix clusters and the Nutanix Cloud Availability Zone (AZ). Its primary role is to provide a secure, encrypted tunnel for replicating recovery points and managing disaster recovery orchestration metadata. When utilizing standard IPSec for this traffic, the system architecture imposes certain throughput limitations based on the processing capabilities of the gateway instance. For a single Nutanix Cloud Gateway, the maximum supported bandwidth for IPSec- encrypted traffic is 1 Gbps.
This 1 Gbps limit is an important consideration for BCDR planning, as it defines the maximum " Snapshot-on- wire " throughput available for a given protection policy. If an organization has a high data change rate (churn) that exceeds 1 Gbps of sustained replication traffic, the Recovery Point Objective (RPO) may be at risk of lag. While the physical network link might be 10 Gbps or higher, the encryption overhead of the IPSec protocol within the gateway VM is the limiting factor. To achieve higher aggregate throughput, administrators would need to deploy multiple gateways or consider high-performance direct connectivity options if available.
Understanding this 1 Gbps threshold ensures that administrators can accurately size their replication windows and manage expectations for initial seed transfers and ongoing delta synchronization to the cloud AZ.
질문 # 30
How does the system behave if the network cannot sustain the data change rate required to maintain a 1- minute RPO between the primary and recovery AZs?
정답：C
설명：
Nutanix NearSync replication is designed to provide very low RPOs (1 to 15 minutes) by using " Lightweight Snapshots " (LWS). To maintain a 1-minute RPO, the system requires sufficient network bandwidth to transfer the delta changes before the next snapshot interval begins.
If the network bandwidth is insufficient or if the VM ' s data change rate (churn) suddenly spikes beyond the network ' s capacity to keep up, the system is designed to prioritize protection over RPO strictness. In this scenario, the Nutanix Cerebro service will automatically " downshift " the replication from NearSync to standard Asynchronous replication mode. This transition allows the system to use more traditional, robust snapshots that can handle longer transfer times, ensuring that the VM remains protected, even if the RPO temporarily increases to an hourly interval. Once the network conditions improve or the data churn decreases, the system will automatically attempt to " upshift " back to the 1-minute NearSync schedule. This behavior prevents application performance issues like write-pausing (Option D) or I/O degradation (Option A) and avoids unnecessary failovers (Option C), providing a resilient and adaptive data protection mechanism.
질문 # 31
Which port needs to be opened between two Prism Centrals to ensure a successful AZ pairing?
정답：B
설명：
Disaster recovery orchestration in the Nutanix environment often involves the pairing of two separate Availability Zones (AZs), each managed by its own Prism Central instance. For these two management planes to communicate, exchange metadata, and synchronize Protection Policies and Recovery Plans, specific firewall ports must be open between them.
Port 9440 is the standard port used for all Prism Central and Prism Element web interface and API traffic.
During the AZ pairing process, the primary Prism Central must reach the recovery Prism Central ' s API to establish the trust relationship and pair the sites. Other ports mentioned, such as 2009 (Option A) and 2020 (Option B), are used for data replication between Controller VMs (CVMs) but are not used for the initial management-plane pairing between Prism Central instances. Port 2074 (Option C) is typically used for Nutanix Guest Tools (NGT) communication with the cluster. Therefore, ensuring port 9440 is open between the two Prism Central instances is a mandatory prerequisite for successful disaster recovery site pairing.
질문 # 32
An organization is finalizing its Disaster Recovery (DR) plan. The primary objective is to balance cost- efficiency with a target RTO of under 15 minutes. Data currently resides in Object Storage, but the team is debating between a Zero Compute approach and a Pilot Light approach. Why would a Pilot Light infrastructure be selected over a Zero Compute model despite the higher " Moderate " cost?
정답：D
설명：
When designing disaster recovery to a cloud environment (such as NC2 on AWS or Azure), organizations must choose a compute model that aligns with their Recovery Time Objective (RTO). The " Zero Compute " model is the most cost-efficient because it stores only the data (snapshots) in low-cost Object Storage (S3 or Blob) and does not maintain a running cluster. However, the RTO for Zero Compute is high because, in a disaster, the organization must first deploy a new Nutanix cluster, configure it, and then begin the process of hydrating data from the Object Storage.
In contrast, the " Pilot Light " model involves keeping a minimal, active Nutanix cluster (e.g., 3 nodes) running at the recovery site. While this carries a moderate ongoing cost, it significantly reduces the RTO.
Because the cluster already exists, the management plane (Prism Central), the storage containers, and all metadata are already active. When a failover is triggered, the system only needs to power on the VMs or perform a small amount of data hydration. This allows the organization to meet aggressive RTO targets of under 15 minutes, which is generally impossible with the Zero Compute model. Pilot Light provides the " ready-to-go " infrastructure needed for mission-critical applications that cannot afford the multiple hours required to provision a fresh cluster from scratch during an emergency.
질문 # 33
An administrator incorrectly used the " Activate " functionality on the PD to test failover of VMs from production to DR cluster. The VMs were successfully restored on the DR side. What steps are needed to clean up the VMs on the DR side and resume normal operations on the Production cluster?
정답：B
설명：
In Nutanix Disaster Recovery using Protection Domains (PDs), " Activate " is a high-level command used to promote a remote site to an active state. This is typically reserved for an unplanned failover scenario when the primary site is completely offline. If an administrator mistakenly uses " Activate " for a test instead of the proper " Test Failover " workflow, the secondary cluster will begin treating the replicated snapshots as active, live virtual machines. This process involves promoting the storage and registering the VMs to the local hypervisor.
To return to a steady state where the production cluster is the only active site, the administrator must perform a cleanup on the DR cluster. The " Deactivate " command on the DR cluster serves two main purposes: it changes the Protection Domain status from " Active " back to " Standby " and provides an option to " Destroy VMs " associated with that PD. Choosing to destroy the VMs on the DR cluster is essential to prevent duplicate VM instances or IP address conflicts when production resumes. Simply deleting the VMs manually (Option C) is insufficient because it does not reset the PD ' s metadata status in the Nutanix Cerebro service.
By deactivating the PD and destroying the VMs at the DR site, the administrator ensures that the DR site returns to its role as a passive replication target, allowing the primary production cluster to continue its operations without being impacted by the accidental activation.
질문 # 34
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