nutanix‐database‐automation‐ncp‐db‐ncp‐db‐65‐NDMA_p2 - itnett/FTD02H-N GitHub Wiki
Sure! Here's an English version of the study tables, including key answers and what you need to remember for each potential exam question topic. This will help you focus on the critical points needed to score at least 70% on the exam.
Table 1: NDB Concepts and Terminology
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Database as a Service (DBaaS) |
What is DBaaS, and how does NDB integrate with Nutanix? |
DBaaS is a service model that provides automated database provisioning and management. NDB integrates by offering centralized database management and automation across multiple environments. |
| NDB Profiles |
What are software, compute, network, and database parameter profiles? How are they created? |
Profiles in NDB help standardize configurations. Software profiles define the database version and OS; compute profiles define vCPUs and memory; network profiles define VLANs; and database parameter profiles customize DB settings. |
| Time Machine SLA |
What is Time Machine in NDB? Explain snapshot retention and log management. |
Time Machine in NDB manages snapshots and transaction logs for point-in-time recovery, ensuring data protection according to SLA policies for RPO and RTO. |
| High Availability (HA) |
How do you configure HA in NDB? What are the requirements and benefits of HA configuration? |
HA is configured by deploying multiple VMs (API, HA proxy, Repository) across clusters. It ensures no single point of failure, providing resiliency against hardware or software failures. |
| Copy Data Management (CDM) |
What is CDM in NDB? Explain the use of clones and data protection. |
CDM allows efficient data management by creating space-efficient database clones for development, testing, and analytics, reducing storage costs and improving data protection. |
Table 2: Installing and Configuring NDB
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Installation on AHV |
How is NDB installed on Nutanix AHV? What steps are necessary to create an NDB VM? |
Download NDB image (qcow2) from Nutanix Support Portal, upload to Prism Element, create NDB VM with the image, assign a static IP, power on the VM, complete configuration using the Welcome wizard. |
| Installation on ESXi |
What are the differences between installing NDB on AHV versus ESXi? |
On ESXi, the NDB installation involves deploying the OVA file, using vCenter for configuration, and similar post-install configuration steps like assigning IP addresses and configuring SSL/NTP settings. |
| Initial Configuration |
How do you configure SSL certificates and NTP server IP addresses in NDB? |
Use the NDB CLI commands: security ssl add_custom certificate_file=path private_key=path ca_certificate=path to add SSL certificates; era_server set ntp_server=ntp_server_ip to set the NTP server. |
| Port Requirements |
What ports must be open for NDB communication? |
Ports required include 443 (HTTPS), 9443 (Prism Element API), and additional database-specific ports. Ensure all necessary ports for database engine communication and cluster management are open. |
| Network Segmentation |
How do you configure network segmentation for NDB? What are the benefits of network segmentation? |
Use the Welcome wizard or manual configuration to define VLANs and IP ranges. Benefits include improved security and traffic isolation between management, data, and client networks. |
Table 3: Administering and Monitoring NDB
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Monitoring Alerts |
How do you create, filter, and clear alerts in NDB? |
Use the NDB dashboard to view alerts; configure alert thresholds and actions via the Prism Element interface. Clear alerts after resolution to maintain accurate monitoring. |
| Storage and Resource Monitoring |
How do you monitor storage usage and efficiency in NDB? |
Monitor through the NDB dashboard, which shows current usage, performance, and trends. Use Time Machine data to analyze snapshot and log usage and optimize storage allocation. |
| Database Registration |
How do you register an existing database with NDB? What are the prerequisites? |
Ensure prerequisites like network connectivity, correct software versions, and protection domains are met. Use the NDB CLI to register the database server VM and configure Time Machine for snapshots and log management. |
| Provisioning Databases |
What are the steps to provision a new database server VM and database instance in NDB? |
Create a database server VM by selecting software, compute, and network profiles, then provision the database instance with the required parameters (DB name, size, user credentials, etc.). |
| Patch Management |
What is the process for managing updates and patches in NDB? |
Use maintenance windows to apply patches to databases and server VMs. Utilize rolling upgrades for clusters to minimize downtime. Ensure backups are taken before applying patches. |
Table 4: Protecting and Restoring Databases (Time Machine Operations)
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Snapshot Retention and Recovery |
How do you configure Time Machine for continuous and point-in-time recovery? |
Set up Time Machine with SLAs defining snapshot frequency and retention (daily, weekly, etc.). Use point-in-time recovery to restore databases to a specific state by applying snapshots and logs. |
| Retention Policies |
How do you create, delete, and modify SLA retention policies in NDB? |
Use the NDB interface or CLI to define retention periods for snapshots and logs. Modify existing SLAs as needed to accommodate changes in RPO/RTO requirements. |
| Cloning Databases |
What are the steps to clone a database in NDB, and what parameters need to be configured? |
Select a source database, specify the destination and cloning options (full or incremental), configure clone parameters like name, network settings, and timing, then execute the cloning operation. |
| Automated Patching |
What is automated patching in NDB, and how is it enabled? |
Automated patching uses predefined maintenance windows to apply OS and database patches. Enable it by configuring a maintenance window and associating patch operations with it. |
Table 5: Troubleshooting NDB Operations
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Analyzing Alerts and Logs |
How do you use NDB tools to analyze failures in snapshot and cloning operations? |
Access logs through the NDB CLI or dashboard to identify errors. Use diagnostic tools to pinpoint issues, such as network disruptions or configuration errors, and resolve them based on log details. |
| Database-Specific Issues |
How do you troubleshoot problems related to specific database systems like Oracle, SQL Server, etc.? |
Follow database-specific guidelines for diagnostics (e.g., check Oracle logs for RAC issues, SQL Server event logs for clustering problems). Verify configuration, connectivity, and compatibility settings for each database type. |
| NDB Resiliency |
How do you ensure NDB resiliency in the event of component failures? |
Deploy HA configurations, regularly test failover procedures, monitor system health, and maintain up-to-date patches and software versions to prevent disruptions and quickly recover from failures. |
| Recovery Procedures |
What steps should be followed to restore services after a failure? |
Identify the affected component, use HA and backup configurations to initiate recovery, restore from the latest snapshot or backup, verify system integrity post-recovery, and document the incident for future reference. |
Table 6: Security and Compliance
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| SSL Certificate Configuration |
How do you replace default self-signed certificates with CA-signed certificates? |
Use the command security ssl add_custom certificate_file=file_path private_key=file_path ca_certificate=file_path to install the CA-signed certificate and ensure secure communications with NDB. |
| Role-Based Access Control (RBAC) |
How do you create and manage roles, users, and groups in NDB? |
Use the NDB interface to define roles, assign specific permissions, create user groups, and assign users to groups to control access. Regularly audit and update roles as required by organizational policy. |
| Auditing and Compliance |
How do you enable and manage auditing in NDB? |
Enable auditing in NDB to track user activities and system changes. Use audit logs to review compliance with security policies, and ensure logs are regularly reviewed and archived as part of a compliance program. |
**Table 7: Upgrading and Scaling N
DB**
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Upgrading NDB |
What are the steps to perform a "One-Click" upgrade of NDB? |
Access the NDB interface, navigate to the upgrade menu, select the new version, and follow the prompts to initiate and complete the upgrade. Ensure backups are completed before starting the upgrade process. |
| Patch Management |
How do you handle patching of database server VMs and clusters in NDB? |
Use NDB’s patch management tools to apply patches during defined maintenance windows. Validate compatibility, apply patches in a non-production environment first, and use rolling upgrades to minimize downtime. |
| Scaling Databases |
How do you extend or scale the storage capacity of an NDB-managed database? |
Use the NDB interface to select the database, specify additional storage requirements, and apply the changes. Monitor performance and validate that the scale-up operation meets the new storage requirements and maintains optimal performance. |
Key Concepts to Remember:
- Avoid Common Pitfalls: Don’t confuse Time Machine with database upgrades; it’s strictly for backup/restore.
- Focus on Security: Be clear on SSL configuration, DAM policies, and high availability (HA).
- Operational Focus: Understand the complete workflow from deployment to maintenance, especially provisioning and patching.
- Database Specifics: Know the differences in managing different database types (e.g., MongoDB, Oracle) and their supported features and limitations.
By using this structured study guide with answers, you can efficiently focus on the most important topics and prepare for the specific wording and concepts that will appear on the exam. Good luck with your preparation!
Here are the tables for Section 1 – Describe NDB Concepts to help you prepare for Objective 1.1 on the NCP-DB 6.5 exam. This section focuses on understanding and defining essential database and NDB terminology.
Table 1: NDB Software Compatibility
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| NDB Software Compatibility |
What databases and software versions are compatible with NDB? |
NDB supports multiple databases, including Oracle, Microsoft SQL Server, PostgreSQL, MySQL, MariaDB, and MongoDB. Ensure compatibility by checking the specific versions supported by the current NDB release. |
|
What is the importance of checking software compatibility before deployment? |
Ensures proper integration, minimizes risk of errors or failures, and guarantees that all features and functionalities of NDB can be utilized effectively. |
Table 2: Define Time Machine SLAs
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Time Machine SLAs |
What is a Time Machine SLA in NDB? |
A Time Machine SLA is a policy that defines how often snapshots and transaction logs are taken and retained to meet Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO). |
|
How do you create and manage Time Machine SLAs? |
Use the NDB interface or CLI to create SLAs that specify the frequency (daily, weekly, etc.) and retention period for snapshots and transaction logs. You can modify or delete SLAs based on changing data protection needs. |
Table 3: Define Data Access Management (DAM)
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Data Access Management (DAM) |
What is DAM in NDB, and why is it important? |
DAM in NDB is a set of policies that control access to database data. It ensures that data is accessed securely and complies with organizational security and privacy policies. |
|
How do you create and apply DAM policies in NDB? |
Create DAM policies through the NDB interface to define user roles, permissions, and access controls. Apply these policies to databases to manage who can access and modify data. |
Table 4: Define Provisioning Profiles
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Provisioning Profiles |
What are provisioning profiles in NDB, and why are they used? |
Provisioning profiles are templates that standardize and simplify the creation of database server VMs. They include software profiles (DB version and OS), compute profiles (vCPU, memory), network profiles (VLANs), and database parameter profiles. |
|
How do you create and manage provisioning profiles? |
Use the NDB interface to create profiles by specifying the desired parameters. Profiles can be reused across multiple deployments to ensure consistency and compliance with organizational standards. |
Table 5: Define Copy Data Management (CDM)
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Copy Data Management (CDM) |
What is CDM in NDB, and what are its benefits? |
CDM in NDB enables efficient management of data copies (clones, backups) without impacting production databases. Benefits include space savings, improved performance, and simplified management for testing, development, and analytics. |
|
How do you create and manage clones using CDM in NDB? |
Use the NDB interface to create clones from a snapshot or backup. Clones can be full or incremental, and they can be refreshed as needed to provide up-to-date copies for non-production environments. |
Table 6: Define Greenfield and Brownfield Databases
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Greenfield Databases |
What is a Greenfield database in the context of NDB? |
A Greenfield database refers to a new database created and managed directly within NDB. It is a fresh deployment without any prior configurations or data, allowing for clean implementation according to best practices. |
| Brownfield Databases |
What is a Brownfield database in the context of NDB? |
A Brownfield database refers to an existing database that is registered and managed by NDB. This approach integrates pre-existing databases into the NDB management platform for centralized control and automation. |
|
What are the key differences between Greenfield and Brownfield deployments? |
Greenfield is for new database instances created from scratch in NDB, while Brownfield involves registering and managing pre-existing databases in NDB. Brownfield deployments may require additional steps to meet NDB compatibility and management requirements. |
References for Further Study
- NDB Software Compatibility and Feature Support: Understand which database versions and features are supported by the current version of NDB.
- NDB Terminology Reference: Familiarize yourself with the key terminology used in NDB, such as SLAs, DAM, CDM, Greenfield, and Brownfield databases.
- SLA Management: Study how SLAs are created, managed, and modified within NDB.
- Data Access Management: Learn about setting up and applying DAM policies to control and secure data access.
- NDB Profiles: Review the types of profiles in NDB (software, compute, network, database parameters) and their creation and usage.
- Copy Data Management: Understand how CDM is used in NDB to create clones and manage data copies efficiently.
- Getting Started with Provisioning Databases: Learn the step-by-step process for provisioning databases using NDB, including Greenfield and Brownfield deployments.
- Database Management: Review general principles and best practices for managing databases in NDB.
Key Takeaways:
- Be clear on definitions and use cases for each term.
- Understand compatibility requirements and how NDB integrates with different environments.
- Focus on how SLAs, profiles, and data management policies are created and applied.
- Differentiate between types of databases and their management approaches in NDB.
Use these tables to focus your study on the critical topics for Objective 1.1 of the exam. Memorize definitions, understand their applications, and be prepared to answer questions on how these concepts are implemented and managed within NDB. Good luck!
Here are the detailed study tables for Objective 1.2: Describe NDB Features and Benefits to help you understand and remember the essential concepts for the NCP-DB 6.5 exam.
Table 1: Describe Provisioning
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Provisioning |
What is provisioning in NDB, and why is it important? |
Provisioning in NDB refers to the process of creating and configuring new database instances or database server VMs. It is essential for deploying new databases quickly and efficiently, reducing manual setup and ensuring consistency. |
|
What are the steps for provisioning a database in NDB? |
1. Create profiles (software, compute, network). 2. Use the "One-Click Provisioning" tool to select the desired database engine, configure parameters (e.g., size, users), and choose profiles. 3. Complete provisioning. |
|
What are the benefits of using One-Click Provisioning? |
Simplifies database deployment, reduces human error, speeds up time-to-value, and ensures consistency by using predefined profiles and templates. |
Table 2: Describe Patching
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Patching |
What is patching in NDB, and why is it necessary? |
Patching in NDB involves applying updates to the database software or operating system to maintain security, fix bugs, and improve performance. Regular patching is necessary to prevent vulnerabilities and ensure system stability. |
|
What is One-Click Patching, and how does it work? |
One-Click Patching automates the process of applying patches to database servers or clusters. It schedules patches during maintenance windows, minimizes downtime, and reduces the risk of errors associated with manual updates. |
|
How do you manage patching in NDB? |
Define maintenance windows, use One-Click Patching to apply patches, monitor patch status through the NDB interface, and verify patch success. |
Table 3: Describe Cloning
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Cloning |
What is cloning in NDB, and what are its use cases? |
Cloning in NDB creates a copy of an existing database instance. It is used for testing, development, analytics, and other non-production purposes without impacting the production environment. |
|
What are the types of cloning supported in NDB? |
NDB supports full cloning (entire database copy) and incremental cloning (only changes since the last clone). |
|
How do you perform cloning in NDB? |
Use the "Clone Management" feature in the NDB interface, select the source database, define clone parameters (name, location), and create the clone. |
|
What are the benefits of cloning in NDB? |
Provides data consistency, reduces resource consumption, enables rapid provisioning of test environments, and supports agile development practices. |
Table 4: Describe Data Protection
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Data Protection |
What is data protection in NDB? |
Data protection in NDB refers to safeguarding databases from data loss, corruption, or unauthorized access through features like Time Machine SLAs, snapshots, backups, and Data Access Management (DAM) policies. |
|
How does Time Machine enhance data protection? |
Time Machine provides continuous data protection by creating periodic snapshots and transaction log backups. It allows point-in-time recovery and long-term retention based on predefined SLAs. |
|
What is the role of Data Access Management (DAM) in data protection? |
DAM controls who can access or modify data, ensuring that only authorized users can perform specific actions. It enforces security policies and helps maintain compliance with data governance standards. |
|
What are the benefits of NDB’s data protection features? |
Ensures data integrity and availability, supports rapid recovery from data loss events, meets compliance requirements, and provides peace of mind by protecting against disasters or malicious activities. |
References for Further Study
- Getting Started With Provisioning Databases: Review the steps and best practices for provisioning databases in NDB, including profile creation and parameter configuration.
- One-Click Provisioning: Understand how the One-Click Provisioning feature simplifies and streamlines database deployment.
- One-Click Patching: Learn how One-Click Patching automates patch management, reduces downtime, and improves security.
- Data Access Management: Study how DAM policies control and secure data access, enhancing data protection.
- Clone Management: Understand how cloning works in NDB, the types of cloning available, and its benefits.
- Database Protection: Review the various data protection mechanisms available in NDB, including Time Machine, snapshots, backups, and DAM policies.
Key Takeaways:
- Provisioning: Focus on the "One-Click Provisioning" process and its advantages.
- Patching: Know how to use "One-Click Patching" and manage updates efficiently.
- Cloning: Understand cloning methods, use cases, and the benefits they provide.
- Data Protection: Be clear on Time Machine, snapshots, DAM policies, and their roles in ensuring data security and availability.
These tables cover the essential concepts for Objective 1.2 of the exam. Make sure to understand these topics thoroughly, as they are fundamental to the NDB's functionality and will likely appear on the exam.
Here are the detailed study tables for Section 2 – Describe NDB Concepts, Objective 2.1: Deploy an NDB Instance. This section focuses on the steps and knowledge required to deploy a Nutanix Database Service (NDB) instance.
Table 1: Download, Import, and Create an NDB Instance
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Download NDB Image |
How do you download the NDB image file? |
Download the NDB image file (qcow2 for AHV or OVA for ESXi) from the Nutanix Support Portal. Ensure that you have the correct version and format for your hypervisor environment. |
| Import NDB Image |
How do you import the NDB image file into the Nutanix environment? |
For AHV, use the Prism Element Image Service to upload the qcow2 image. For ESXi, use vCenter to import the OVA file into the image library. |
| Create NDB Instance |
What are the steps to create an NDB instance? |
For AHV: Create a new VM using the uploaded qcow2 image, assign resources (vCPUs, RAM), configure network settings, and set a static IP (recommended). For ESXi: Deploy the OVA file, configure VM resources and network settings. |
| Network Requirements |
What are the network requirements for deploying NDB? |
Ensure proper VLAN configuration, open necessary ports (e.g., 443 for HTTPS, 9443 for Prism API), and provide access to DNS, NTP, and the management network. |
Table 2: Assign a Static IP Address to the NDB Instance
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Assign Static IP |
Why is a static IP address recommended for the NDB instance? |
A static IP ensures consistent communication between the NDB instance, Nutanix clusters, and managed database servers, reducing the risk of connectivity issues caused by dynamic IP changes. |
|
How do you assign a static IP address during the NDB instance creation on AHV? |
During VM creation in Prism Element, select the "Custom Script" option and paste the cloud-init script to configure a static IP address: #cloud-config runcmd: - configure_static_ip ip=ip_address gateway=gateway_address netmask=ip_netmask nameserver=ns1 |
|
How do you assign a static IP address to an existing NDB instance using the console? |
Log in to Prism Element, navigate to the NDB VM, open the console, log in to the NDB server, and use the command: era-server > era_server set ip=ip_address gateway=gateway_address netmask=ip_netmask nameserver=ns1. |
| Steps for IP Configuration |
What are the necessary details to assign a static IP address? |
You need the IP address, gateway address, netmask, and nameserver IP (DNS server) to configure a static IP address. |
Table 3: Log Onto NDB and Run the Installation Wizard
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Log onto NDB |
How do you log onto NDB for the first time? |
Open a web browser and enter https://ndb_vm_ip_address. Replace ndb_vm_ip_address with the static IP assigned to the NDB VM. Accept the EULA, participate in the Customer Experience Program if prompted, and set the admin password. |
| Welcome to NDB Wizard |
What tasks are completed using the "Welcome to NDB Wizard"? |
The wizard guides you through the initial setup tasks: registering Nutanix clusters with NDB, configuring network segmentation, creating storage containers, setting up profiles, and configuring services (DNS, NTP, SMTP). |
| Installation Steps |
What are the main steps of the "Welcome to NDB Wizard"? |
1. Enter cluster details (IP, credentials). 2. Configure network segmentation (VLANs). 3. Set up DNS, NTP, and SMTP servers. 4. Choose or create storage containers. 5. Create or import network and compute profiles. |
| Completion of Wizard |
What happens after completing the wizard? |
You are directed to the NDB dashboard where you can start managing and provisioning databases. The profiles you created/downloaded are now available for use in provisioning databases and managing the environment. |
References for Further Study
- NDB Network Requirements for Installation: Review network requirements, including necessary open ports and VLAN configurations.
- Install NDB on AHV: Study the step-by-step guide to installing NDB on AHV, including image upload, VM creation, and configuration.
- Install NDB on ESXi: Learn the process for installing NDB on ESXi, including importing the OVA file and configuring the VM in vCenter.
- Assigning a Static IP Address to the NDB VM by Using the Console: Understand both initial static IP assignment during VM creation and how to configure it after deployment.
- Logging on to NDB: Familiarize yourself with the login process and initial setup requirements.
- Welcome to NDB Wizard: Learn the steps in the wizard and their purposes in setting up the NDB environment.
Key Takeaways:
- Deployment Steps: Memorize the steps to download, import, and create an NDB instance on both AHV and ESXi.
- Static IP Configuration: Know how to assign and configure a static IP address during and after VM creation.
- Initial Setup: Understand the key tasks performed in the "Welcome to NDB Wizard" and their importance for initial configuration.
- Network Requirements: Be aware of network requirements, including ports, VLANs, and external services like DNS and NTP.
These tables provide a focused study guide for Objective 2.1 of the exam. Make sure you are comfortable with each step and understand their importance in deploying an NDB instance.
Here are the detailed study tables for Section 2 – Describe NDB Concepts, Objective 2.2: Configure an NDB Instance. This section focuses on the configuration tasks required after deploying an NDB instance.
Table 1: Change NTP/DNS from the NDB Server CLI
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Change NTP/DNS Settings |
How do you change the NTP server IP address using the NDB server CLI? |
Log on to the NDB server via the console, enter the CLI ($ era-server), and use the command: era_server set ntp_server=ntp_server_ip. Replace ntp_server_ip with the desired NTP server's IP address. |
|
How do you change the DNS server settings in NDB? |
Use the NDB CLI to modify DNS settings: $ era-server > era_server set dns_server=dns_server_ip. Replace dns_server_ip with the new DNS server IP address. |
|
Why is it important to configure the correct NTP and DNS settings? |
Proper NTP configuration ensures synchronized time across all systems, critical for database operations and logs. Correct DNS settings ensure NDB can resolve hostnames for communication and management tasks. |
Table 2: Determine Network Firewall Ports
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Network Firewall Ports |
What are the critical ports required for NDB operation? |
Ensure the following ports are open: 443 (HTTPS), 9440 (Prism Central API), 9443 (NDB API), 53 (DNS), 123 (NTP), and any additional ports specific to database engines (e.g., 1521 for Oracle, 1433 for SQL Server). |
|
Why is it important to check firewall port requirements for NDB? |
Ensuring that all necessary ports are open allows proper communication between the NDB instance, Nutanix clusters, managed databases, and external services like DNS and NTP. |
Table 3: Configure Network Segmentation
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Network Segmentation |
What is network segmentation in NDB, and why is it important? |
Network segmentation divides traffic into separate VLANs (e.g., management, database, backup networks) to enhance security, performance, and isolation. Ensures that only necessary traffic reaches each network segment. |
|
How do you configure network segmentation in NDB? |
Use the "Welcome to NDB Wizard" or the NDB management interface to specify VLANs for different types of traffic. Configure VLAN settings to segregate management, database, and client traffic. |
Table 4: Change Language Settings
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| Language Settings |
How do you change the language settings in NDB? |
On the NDB dashboard, click on the "admin" menu, select "Profile," then choose the desired language from the "Languages" dropdown menu, and click "Save." |
|
Why would you need to change the language settings in NDB? |
To accommodate different users' language preferences or ensure that the NDB interface is accessible in the preferred language for the organization’s operational team. |
Table 5: Configure an SSL Certificate
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| SSL Certificate Configuration |
How do you replace the default self-signed SSL certificate with a CA-signed certificate? |
Log onto the NDB server via the console, enter the CLI ($ era-server), and use the command: security ssl add_custom certificate_file=file_path private_key=file_path ca_certificate=file_path. Replace with appropriate file paths. |
|
What are the benefits of configuring a custom SSL certificate in NDB? |
Improves security by encrypting communications, avoids browser warnings about untrusted connections, and meets compliance requirements for secure data transmission. |
Table 6: Deploy NDB High Availability
| Topic |
Exam-Ready Questions/Concepts to Memorize |
Answers/Key Points to Remember |
| High Availability (HA) Deployment |
What are the steps to deploy NDB in a High Availability (HA) configuration? |
Go to "Administration" > "NDB Service" > "Enable High Availability," select Nutanix clusters, configure IP addresses, select compute and network profiles, and click "Enable High Availability." Ensure you have sufficient resources. |
|
What components are involved in an HA deployment for NDB? |
HA deployment includes multiple VMs for API servers, HA proxy servers, and Repository servers. These VMs provide redundancy and automatic failover to ensure continuous operation in case of a component failure. |
|
What is the purpose of deploying NDB in HA mode? |
Provides redundancy, reduces downtime, and ensures that NDB services remain operational even if a primary server fails, thereby supporting business continuity and high availability. |
References for Further Study
- Initial Configuration: Understand the basic configuration steps necessary after deploying an NDB instance.
- NDB Limitations and Notes: Review any constraints or known issues related to configuration and deployment.
- NDB Network Placement: Learn how to correctly position NDB within the network to optimize performance and security.
- NDB Service Management: Get familiar with ongoing management tasks for an NDB instance.
- Configuring an SSL Certificate: Study the steps to configure a custom SSL certificate and the importance of securing communications.
- Changing the Language Settings: Understand how to change language preferences and why it might be necessary.
- Enabling High Availability for NDB: Review the procedure and requirements for setting up NDB in a High Availability configuration.
Key Takeaways:
- Configuration Tasks: Memorize the commands and steps to change NTP/DNS settings, configure network segmentation, and change language settings.
- SSL Configuration: Understand the procedure to replace the default SSL certificate with a CA-signed certificate and why this is important.
- High Availability: Be familiar with the components and benefits of deploying NDB in an HA configuration.
These tables provide a comprehensive study guide for Objective 2.2 of the exam. Ensure that you understand each configuration step and its significance in managing an NDB instance effectively.