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質問 # 180
An administrator has been tasked with OS and database patching in a Nutanix NDB environment. The administrator wishes to automate these activities.
What should the administrator configure to accomplish this task?
正解：A
解説：
To automate OS and database patching in a Nutanix NDB environment, the administrator should configure a Maintenance Window. A Maintenance Window in NDB allows the administrator to schedule automated patching tasks (e.g., OS updates and database software updates) during specified time periods, minimizing disruption to production workloads. This feature integrates with software profiles and can be set to run periodically or on-demand, ensuring patches are applied efficiently and consistently across the environment.
Option A (Access Control) is incorrect because Access Control manages user permissions, not automation of patching.
Option B (Pulse) is incorrect because Pulse is a monitoring tool, not a scheduling mechanism for patching.
Option C (Maintenance Window) is correct as it provides the scheduling and automation framework for patching activities.
Option D (SMTP Server) is incorrect because SMTP is for email notifications, not patching automation.
This configuration enhances operational efficiency and reliability.
References
Nutanix Database Service (NDB) User Guide, Chapter 4: Managing Software Profiles, Section: Scheduling Maintenance Windows Nutanix Certified Professional - Database Automation (NCP-DB) v7.5Blueprint, Section 4: Manage Database Software Profiles
質問 # 181
A legal team wants to audit a quarter end (July 31st) banking transaction event and asks the administrator to create a SQL database from the timeframe.
What action should the administrator perform within Era?
正解：B
解説：
Nutanix Era enables you to clone your source databases (running on Nutanix clusters) and refresh the database clones by using snapshots or transaction logs1. Era uses storage-efficient and time-efficient Nutanix snapshots, thus lowering the cost of managing multiple copies of your databases1. In this case, the administrator should create a clone from the July 31st snapshot in Time Machine to provide the legal team with the specific banking transaction event data they need for their audit1.
質問 # 182
An administrator is registering a Nutanix cluster with NDB. What information is required during the registration process?
正解：C
解説：
NDB requires Prism Element credentials when a Nutanix cluster is registered. These credentials authorize NDB to communicate with the cluster and perform the infrastructure operations required for database lifecycle management. Depending on the workflow, those operations can include discovering resources, creating database server VMs, attaching or mapping storage, taking snapshots, and managing networking- related configuration. Active Directory credentials may be required for a Windows domain or database- specific authentication workflow, but they are not the fundamental credentials used to register the Nutanix cluster. Similarly, a syslog server identity and Nutanix Objects store information are not required for basic cluster registration. Nutanix's official NDB cluster-registration documentation requires the cluster address and appropriate Prism Element administrator username and password so that NDB can access and manage the target cluster.
質問 # 183
When using the Patch OS now feature in NDB, how would an administrator limit the updates to security updates only for Red Hat-based operating systems?
正解：C
解説：
When using the "Patch OS now" feature in NDB to apply updates to a Red Hat-based operating system, the administrator can limit updates to security patches only by leveraging the Advanced Options. Under the
"Custom commands" section of the operating system patching command window, entering yum update -- security instructs the package manager to install only security-related updates. This ensures the system remains secure without applying all available updates, which could introduce instability.
Other options are incorrect or incomplete:
* A. Point the database VM to a custom patch repository and enter yum update --security command This requires manual intervention outside NDB's patching framework.
* B. Check Advanced Options and under Pre-post commands, enter yum update security in the pre- operating system patching command window: Pre-post commands are for pre/post actions, not the main patching process, and the syntax lacks the --security flag.
* C. Point the database VM to a custom patch repository before using the Patch OS now feature:
This sets up a repository but doesn't specify security-only updates within NDB's interface.
Thus, the verified answer is D, aligning with NDB's patching customization.
Official Nutanix Database Automation References
* Nutanix Database Management & Automation (NDMA) course, Module 6: Maintenance and Patching, Lesson 6.3: Creating Maintenance Plans.
* Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 Knowledge Objectives, Section
6: Optimize NDB Solutions, Objective 6.3: Manage Maintenance Plans (applicable to v6.10).
* Nutanix NDB Administration Guide: "Patch OS Now with Custom Commands" section.
質問 # 184
What is the terminology used for registering an existing database with Era?
正解：A
解説：
In the context of Nutanix Era, the term "Brownfield Database" is used to refer to an existing database that is registered with Era1. This process allows Era to bring Database as a Service (DBaaS) capabilities to your existing database2. It's important to note that before you register a database with Era, certain prerequisites must be met3.
質問 # 185
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