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NEW QUESTION # 68
When configuring Disaster Recovery (DR) for an Oracle database using Nutanix Database Service (NDB), how does NDB natively automate and orchestrate high-availability data replication between a primary data center and a remote DR site?
Answer: D
Explanation:
NDB implements Oracle database disaster recovery by orchestrating Oracle Data Guard, not by duplicating every write through cross-site iSCSI or relying on a generic guest replication agent. The NDB Oracle workflow provisions or manages a standby database on the remote cluster and configures the native Data Guard relationship, including redo transport and the supported protection mode. This lets administrators manage DR through the NDB console and APIs and perform planned or unplanned role transitions within the supported workflow. Nutanix storage snapshots and Time Machine replication remain important for backup, clone, and restore operations, but scheduled snapshot replication is not the mechanism used to continuously maintain an Oracle DR standby. Therefore, deploying the remote Oracle instance and configuring native Oracle Data Guard log transport is the correct architecture. Nutanix documents this capability under Oracle Database Disaster Recovery.
NEW QUESTION # 69
A Linux OS is running a PostgreSQL instance that is managed by NDB. This instance is not working properly after a manual OS update, so an administrator has prepared a new Linux DB server VM that is ready to host the data from the broken DB.
Which action should the administrator perform to migrate data to the new DB server VM?
Answer: A
Explanation:
In this scenario, a PostgreSQL instance managed by NDB on a Linux VM is malfunctioning after a manual OS update, and a new Linux DB server VM has been prepared to host the data. To migrate the data to the new VM, the administrator must integrate the new VM into NDB's management framework. The correct action is to register the new DB Server VM in NDB, which allows NDB to recognize and manage the VM as a database server. Once registered, the administrator can use NDB's features (e.g., cloning, restoring, or reprovisioning) to migrate the data from the broken instance to the new VM.
Here's why the other options are incorrect:
A). Provision a new PostgreSQL instance from the Databases page: This creates a fresh instance without migrating existing data, losing the broken instance's data unless separately restored.
B). From The Machine policy, Authorize Database Server VMs: Machine policies in NDB define rules for VM management, but authorizing VMs is not a direct migration action and assumes prior registration.
C). Follow the Provision a PostgreSQL Instance wizard: Similar to A, this provisions a new instance rather than migrating data to an existing prepared VM.
Registering the new VM in NDB (via the "Database Server VMs" section) enables the administrator to associate it with the existing PostgreSQL instance's configuration and perform a data migration (e.g., using a snapshot or backup). This aligns with NDB's workflow for replacing a broken server. Thus, the verified answer is D.
Official Nutanix Database Automation References
Nutanix Database Management & Automation (NDMA) course, Module 3: Managing Database Instances, Lesson 3.3: Registering and Managing Database Server VMs.
Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Knowledge Objectives, Section 3:
Manage NDB Solutions, Objective 3.2: Register and Manage DB Server VMs (applicable to v7.5).
Nutanix NDB Administration Guide: "Registering a Database Server VM" section.
NEW QUESTION # 70
An administrator has been tasked with deploying an NDB VM on an AHV cluster and must assign a static IP address during the deployment of the virtual machine.
How can the administrator accomplish this task during deployment?
Answer: C
Explanation:
An NDB VM on AHV is Linux-based, so the documented in-deployment method uses Prism Element's Custom Script facility with cloud-init. The script begins with #cloud-config and invokes configure_static_ip with the required address, gateway, and netmask values; a name server can also be supplied. Selecting a non- DHCP VLAN by itself does not configure the guest operating system with the requested static address.
Sysprep applies to Windows guests, so it is not appropriate for the NDB appliance. The official AHV installation procedure places the cloud-init script in the "Type or paste script" field while creating the VM in Prism Element. Therefore, using a custom script and cloud-config in Prism Element is the supported method for assigning the static IP address during deployment, as specified in the NDB installation procedure for AHV.
NEW QUESTION # 71
An administrator would like to replicate database snapshots to remote Nutanix clusters.
What should the administrator do to manage Time Machine data availability across all registered Nutanix clusters in NDB?
Answer: C
Explanation:
To replicate database snapshots to remote Nutanix clusters, the administrator needs to add Data Access to each Nutanix cluster and assign a Data Availability Management (DAM) policy. Data Access is a feature of NDB that enables cross-cluster data mobility and protection. A DAM policy defines the replication frequency, retention period, and priority of the database snapshots across the clusters. By adding Data Access to each Nutanix cluster and assigning a DAM policy, the administrator can manage the Time Machine data availability across all registered Nutanix clusters in NDB.
References: Nutanix Support & Insights, section "NDB Data Access"
NEW QUESTION # 72
An administrator needs to maintain five days of time-travel capability to any second, plus an additional seven days of discrete recovery at a daily interval.
How should the administrator define the Frequency and retention on the SLA?
Answer: C
Explanation:
The correct answer is D because it meets the requirements of maintaining five days of time-travel capability to any second and an additional seven days of discrete recovery at a daily interval. Continuous log retention allows the administrator to restore the database to any point in time within the specified number of days, while snapshot retention allows the administrator to restore the database to a specific point in time at a fixed interval. Therefore, by setting the daily snapshot retention to 7 days, the administrator can ensure that there is a discrete recovery point for each day of the week. By setting the continuous log retention to 5 days, the administrator can ensure that there is a time-travel capability to any second within the last five days. The other options do not meet the requirements because they either have less than five days of continuous log retention or less than seven days of snapshot retention. References: Nutanix Database Management & Automation (NDMA) course, Nutanix Certified Professional - Database Automation (NCP-DB) certification, Nutanix NCP-DB Certification Exam Syllabus and Study Guide, Nutanix Certified Professional - Database Automation (NCP-DB) datasheet
NEW QUESTION # 73
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