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| Section | Weight | Objectives |
|---|---|---|
| Interpret and Configure BCDR Requirements | 30% | - Configure network and storage for BCDR - Determine prerequisites for BCDR configuration - Configure snapshot policies and retention - Translate business requirements into RPO/RTO objectives - Select replication types: Async, NearSync, Synchronous, Metro - Create and configure recovery plans - Design secure BCDR environments: segmentation, RBAC, approval policies |
| Troubleshoot BCDR Failures | 20% | - Fix third-party backup integration problems - Resolve misconfigurations in DR environments - Resolve storage and snapshot errors - Troubleshoot replication and protection policy issues - Diagnose network-related replication failures |
| Test BCDR Solutions | 25% | - Verify site connectivity and replication throughput - Execute planned, unplanned, and test failovers - Perform disaster recovery validation procedures - Validate recovery plan execution and outcomes |
| Perform BCDR Operational Tasks | 25% | - Self-service restore operations - Execute failover and failback workflows - Snapshot-based VM and volume recovery - Post-failover cleanup and re-protection - Migrate legacy protection domains to modern policies |
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NEW QUESTION # 85
An administrator recently expanded a Nutanix cluster by adding several new nodes. Shortly after, multiple backup jobs began failing. The following error is consistently reported: " Failed to perform backup: Cannot complete process ' iscsiadm --mode discovery --type sendtargets --portal X.X.X.X ' within timeout " . What is the most likely cause of the failure?
Answer: D
Explanation:
Nutanix storage is often accessed by external backup solutions (like Veeam, Commvault, or HYCU) using the iSCSI protocol. This allows the backup server to mount snapshots and read data directly from the storage tier.
The error message " iscsiadm... discovery... timeout " specifically indicates that the backup server ' s iSCSI initiator is unable to communicate with the Nutanix Data Services IP or the Controller VMs (CVMs) over the network.
When a Nutanix cluster is expanded, it is essential that all networking and firewall configurations applied to the existing nodes are also applied to the new nodes. The iSCSI protocol relies on specific TCP ports: port
3260 is the standard port for iSCSI traffic, and port 3205 is often used for iSCSI discovery and metadata operations within Nutanix. If these ports are not open in the physical firewall or the host-based security rules for the newly added nodes, the backup server will be unable to discover the targets on those specific nodes, leading to the timeout errors . This highlights a common " Day 2 " operational trap: cluster expansion requires careful auditing of network security groups and firewall whitelists to ensure that external integrations- especially BCDR and backup services-continue to have uninterrupted access to the expanded storage fabric.
Verifying and opening ports 3205 and 3260 for the new node IPs is the first step to resolving this timeout issue.
NEW QUESTION # 86
A VM is configured with a 5-minute Nearsync RPO. After several hours, replication transitions back to hourly RPO. Alerts indicate the minute schedule cannot be maintained. What is the most likely root cause?
Answer: A
Explanation:
Nutanix NearSync replication uses Lightweight Snapshots (LWS) to achieve RPOs as low as 1 minute. To maintain this aggressive schedule, the system must be able to replicate all the " delta " changes (the data that has changed since the last snapshot) within the RPO window. If the data change rate (churn) of the VM increases, or if the available network bandwidth decreases, the system may find that it cannot complete the replication of one LWS before the next one is due.
When the Nutanix Cerebro service detects that it is consistently missing its NearSync target, it will automatically " downshift " the replication to a standard Asynchronous schedule (typically hourly) to ensure that the VM remains protected at a manageable frequency. This is a self-healing mechanism designed to prevent replication jobs from stacking up and causing cluster instability. Insufficient bandwidth (Option D) is the most common cause for this downshift, as the " Snapshot-on-wire " cannot be moved fast enough to satisfy the 5-minute requirement. While high RTT (Option A) is a requirement for Synchronous replication, NearSync is designed to handle higher latencies (up to 80ms or more), making bandwidth the primary bottleneck in these troubleshooting scenarios.
NEW QUESTION # 87
An administrator has recently completed the initial configuration of Nutanix Disaster Recovery for a production environment. Protection Policies and Recovery Plans have been configured and validated by the senior infrastructure team.
The administrator has confirmed that the expected categories are correctly associated with both the Protection Policies and Recovery Plans. During a scheduled test failover, the administrator notices that several VMs are missing from the recovery.
The administrator reviews the environment and notes the following:
* The Protection Summary tab does not show any warnings or errors
* No replication tasks are currently ongoing
* The missing VMs were all deployed within the last two weeks as part of a new application rollout
* The missing VMs are running on the same cluster as other VMs that recovered successfully during the test failover
* The application team followed the standard VM deployment checklist but did not coordinate with the infrastructure team during provisioning Given this information, what is the most likely cause of the missing VMs?
Answer: A
Explanation:
Modern Nutanix Disaster Recovery (Leap) relies on " Categories " to automate the inclusion of virtual machines into Protection Policies and Recovery Plans. When a Protection Policy is created, it is typically applied to a category (e.g., AppType:SQL) rather than individual VM names.
In this scenario, the newly deployed VMs were missed during a test failover despite other VMs on the same cluster recovering successfully. The most likely root cause is that the application team, working independently, failed to assign the required categories to the new VMs during the provisioning process.
Because the VMs lacked the correct category tags, the Nutanix Protection Policy did not " see " them, and consequently, no recovery points were ever created for them. This is a common operational failure in environments where " infrastructure as code " or strict provisioning standards are not enforced. Recovery Plans (Option A) do not need manual re-synchronization for new VMs if the categories are correctly mapped.
While an initial sync is required (Option D), it would typically show a task or progress rather than just leaving the VMs " missing " from the entire protection summary. Therefore, verifying category assignment is the primary troubleshooting step.
NEW QUESTION # 88
An administrator is planning a scheduled maintenance window that will temporarily interrupt network connectivity between the primary and recovery sites. Several Tier 1 VMs are protected with a Synchronous replication Protection Policy. What must the administrator do before beginning the maintenance window to prevent these VMs from becoming unresponsive without making RPO changes?
Answer: B
Explanation:
Synchronous replication is designed for zero data loss by requiring that every write be acknowledged at both the primary and recovery sites before the application can proceed. This creates a " hard " dependency on the network link between the two clusters . If the network connectivity is interrupted (e.g., during scheduled maintenance), the primary cluster will be unable to receive acknowledgments from the remote site.
By default, if the synchronous link is broken, the primary cluster may pause I/O to the protected VMs to prevent data inconsistency, which would cause the VMs to become unresponsive to users. To prevent this during planned maintenance while ensuring that the VMs stay online at the primary site, the administrator should temporarily transition the protection mode. Changing the Protection Policy from " Synchronous " to " Asynchronous " (Option C) removes the real-time write-mirroring requirement. This allows the VMs to continue serving local I/O independently of the remote site ' s status. While this technically increases the RPO during the maintenance window, it ensures application availability. Once the maintenance is complete and network connectivity is restored, the administrator can change the policy back to Synchronous. The system will then perform a catch-up sync and return to the Zero-RPO state once the data at both sites is identical again. This operational maneuver is a standard best practice for managing " stretched " cluster environments during infrastructure updates.
NEW QUESTION # 89
An administrator is validating a newly created Recovery Plan and receives the following warning:
IP addresses xxx.xxx.xxx.xxx cannot be preserved/mapped for VM REPORTVM01.
IP addresses cannot be preserved/mapped for entities
IP might be already in use or will be used by some other VM for recovery. IP cannot be mapped.
Only one IP address can be preserved for a vNIC in an IP address management enabled network.
What can the administrator do to resolve this warning without changing the existing IP address assigned to the VM?
Answer: A
Explanation:
IP address management (IPAM) in Nutanix networks ensures that IP assignments are tracked to prevent conflicts. When a Recovery Plan is validated, the orchestrator checks if it can successfully assign the required IPs at the recovery site. The warning occurs when the system detects a potential conflict or cannot automatically " guarantee " the preservation of a static IP, often due to overlapping pools or the way IPAM is configured on the destination subnet.
To resolve this without changing the VM ' s assigned IP, the administrator should use " Custom VM IP Mapping " . This feature allows the administrator to override the default automatic assignment and explicitly state which IP the VM must receive at the recovery site. By manually defining this mapping, the administrator
" claims " the IP within the Recovery Plan ' s logic, satisfying the validation check and ensuring that the VM boots with its correct identity during a failover. Disabling IPAM (Option A) is often not feasible in production environments, and adding a vNIC (Option B) complicates the VM ' s OS configuration. Custom IP mapping is the purpose-built administrative tool for resolving IP assignment ambiguity and ensuring predictable recovery in complex, IPAM-enabled networking environments.
NEW QUESTION # 90
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