For a One-Click Upgrade of an NDB environment with internet access, the patch should be downloaded directly within the NDB interface. The 'Administrator > Maintenance' section of NDB provides an option to connect to the Nutanix download repository (e.g., https://download.nutanix.com) and download the latest patch or upgrade bundle automatically. This streamlined process ensures compatibility and simplifies the upgrade workflow. The One-Click Upgrade feature then applies the downloaded patch to update NDB components efficiently.

Other options are incorrect:

A . Download the patch from the Nutanix Support Portal and upload via the NDB CLI: This is suitable for dark sites but unnecessary with internet access, as NDB can download directly.

C . Open Prism Central and deploy the current version of NDB from the Apps and Marketplace section: This is for initial deployment, not upgrading an existing NDB instance.

D . Open Prism Element and use LCM to update the software: Lifecycle Manager (LCM) is for Nutanix cluster updates, not NDB-specific upgrades.

Thus, the verified answer is B, leveraging NDB's built-in maintenance capabilities.

Official Nutanix Database Automation Reference:

Nutanix Database Management & Automation (NDMA) course, Module 2: Deploying and Configuring an NDB Solution, Lesson 2.4: Updating NDB with Internet Access.

Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section 2: Deploy and Configure an NDB Solution, Objective 2.3: Perform NDB Updates (applicable to v6.10).

Nutanix NDB Administration Guide: 'One-Click Upgrade Process' section.