nutanix‐database‐automation‐ncp‐db‐ncp‐db‐65‐NDMA_p18 - itnett/FTD02H-N GitHub Wiki
Creating the Ultimate Mock Exam for Nutanix Database Management and Automation (NDMA) Certification: A Detailed Guide
Based on the guidelines provided, here's a complete mock exam with 75 multiple-choice questions, organized to cover all exam objectives comprehensively. Each question includes a mix of types, such as scenario-based, true/false, fill-in-the-blank, and matching, aligned with Nutanix NCP-DB certification requirements.
Mock Exam Structure
- Number of Questions: 75
- Exam Duration: 90 minutes
- Question Types:
- Multiple Choice (MCQs)
- Scenario-Based Questions
- True/False
- Fill-in-the-Blank
- Matching
Nutanix NCP-DB Mock Exam
Section 1: Core NDB Concepts (15 Questions)
-
What is the primary purpose of Nutanix Database Service (NDB)?
- A) Provide analytics services
- B) Automate and simplify database management across multiple engines
- C) Monitor network traffic
- D) Manage operating system updates
-
Which database engines are supported by NDB?
- A) Oracle, MySQL, PostgreSQL
- B) MongoDB, Oracle, SAP HANA
- C) SQL Server, MariaDB, Oracle
- D) All of the above
-
What is the purpose of a Software Profile in NDB?
- A) To define network parameters
- B) To set the database engine version and OS configuration
- C) To create user roles
- D) To allocate memory and CPU resources
-
True or False: NDB can manage both greenfield (new) and brownfield (existing) databases.
- A) True
- B) False
-
Fill in the blank: Time Machine in NDB is used to manage ________ and ________ to meet RPO and RTO objectives.
- A) backups, encryption
- B) snapshots, backups
- C) scaling, replication
- D) cloning, indexing
-
Which Nutanix feature is designed to protect against data loss by allowing you to restore to a specific point in time?
- A) Role-Based Access Control (RBAC)
- B) Time Machine
- C) High Availability
- D) Diagnostics Bundle
-
Which type of database architecture is typically associated with high availability and scalability in NDB environments?
- A) Monolithic
- B) Distributed
- C) Centralized
- D) Localized
-
True or False: NDB only supports databases running on Nutanix AHV hypervisors.
- A) True
- B) False
-
Match the NDB feature to its primary function:
- A) Time Machine
-
- Automates backups and allows point-in-time recovery
-
- B) RBAC
-
- Manages user access and permissions
-
- C) API
-
- Enables external application integration
-
- D) SSL Certificates
-
- Secures communication between clients and databases
-
- A) Time Machine
-
Which of the following is NOT a benefit of using NDB?
- A) High availability
- B) Flexible deployment options
- C) Automatic data encryption at rest
- D) Simplified database management
-
Scenario-Based Question: You need to deploy a new PostgreSQL database that will have dynamic workloads. Which profile type is most critical for setting CPU and memory allocation?
- A) Software Profile
- B) Compute Profile
- C) Network Profile
- D) Database Parameter Profile
-
What does a Database Parameter Profile in NDB define?
- A) Specific database configurations like cache size or buffer settings
- B) Network settings such as VLANs
- C) User access policies
- D) Disk partitioning schemes
-
Which port does NDB use for secure LDAP communication?
- A) 443
- B) 389
- C) 636
- D) 1521
-
Scenario-Based Question: If you want to minimize downtime in case of a failure, which feature should you enable in NDB?
- A) RBAC
- B) Time Machine
- C) High Availability
- D) Encryption
-
True or False: Nutanix NDB supports automated patching and upgrades for managed databases.
- A) True
- B) False
Section 2: High Availability and Disaster Recovery (15 Questions)
-
What is the primary purpose of configuring High Availability (HA) in NDB?
- A) To reduce storage costs
- B) To ensure that the NDB service remains operational during failures
- C) To increase database performance
- D) To manage user roles
-
Which HA configuration provides redundancy across multiple clusters?
- A) Single-Cluster HA
- B) Multi-Cluster HA
- C) Active-Passive HA
- D) None of the above
-
What is the main benefit of enabling multi-cluster HA in NDB?
- A) Improved data compression
- B) Enhanced security
- C) Geographic redundancy and continuous availability
- D) Simplified database patching
-
True or False: In NDB, a failover can only be initiated manually.
- A) True
- B) False
-
Fill in the blank: To configure HA for NDB components like API, Proxy, and Repository, go to ________.
- A)
Administration > Nutanix Clusters
- B)
Administration > HA Configuration
- C)
Administration > Security
- D)
Administration > Storage
- A)
-
Scenario-Based Question: A failover scenario needs testing in a multi-cluster HA environment. What is your first step?
- A) Disable SSL certificates
- B) Check connectivity between clusters
- C) Manually shut down the primary cluster
- D) Modify database parameters
-
Which Nutanix component is responsible for managing database failovers in an HA configuration?
- A) Prism Central
- B) AHV Hypervisor
- C) NDB API
- D) HA Proxy
-
True or False: Multi-cluster HA setups require the same network configuration across all clusters.
- A) True
- B) False
-
Match the following types of HA setups to their description:
- A) Single-Cluster HA
-
- Provides redundancy within a single cluster
-
- B) Multi-Cluster HA
-
- Provides redundancy across geographically distributed clusters
-
- A) Single-Cluster HA
-
Which mechanism is used in HA to maintain continuous access to databases?
- A) Data Deduplication
- B) Failover
- C) Snapshots
- D) Data Encryption
-
Scenario-Based Question: If a database server in a single-cluster HA environment fails, what is the next best action?
- A) Restart the server manually
- B) Allow the failover to proceed automatically
- C) Decommission the server immediately
- D) Reinstall the database engine
-
What role is most responsible for configuring HA in NDB?
- A) Super Administrator
- B) Database Administrator (DBA)
- C) Infrastructure Administrator
- D) Network Administrator
-
Fill in the blank: High Availability (HA) ensures _______ of database services during failures.
- A) security
- B) scalability
- C) availability
- D) redundancy
-
True or False: HA configurations can be applied to both greenfield and brownfield environments in NDB.
- A) True
- B) False
-
Scenario-Based Question: During a routine test, the HA Proxy VM fails. What should happen next to maintain availability?
- A) Nothing, as the service will stop
- B) The HA Proxy VM will automatically failover to a standby instance
- C) The entire cluster must be restarted
- D) Manual intervention is required to bring services back online
Section 3: Monitoring, Alerts, and Performance Optimization (15 Questions)
-
What is the purpose of the Alerts Dashboard in NDB?
- A) To display network traffic patterns
- B) To monitor and display alerts for database health and performance issues
- C) To manage user roles and access
- D) To configure HA settings
-
Which tool is used to gather logs and diagnose issues in an NDB environment?
- A) Time Machine
- B) Diagnostics Bundle
- C) Prism Central
- D) API Explorer
-
Scenario-Based Question: If an alert indicates high disk usage on a database VM, what steps should be taken first?
- A) Delete the VM immediately
- B)
Analyze storage usage and consider expanding storage or optimizing data placement
- C) Restart the VM
- D) Disable the alert
-
True or False: Alerts in NDB can be configured to notify administrators via email.
- A) True
- B) False
-
Fill in the blank: To set up a custom alert policy in NDB, go to ________.
- A)
Administration > Alerts > Alert Policies
- B)
Administration > HA Configuration
- C)
Administration > Users > Roles
- D)
Administration > Security
- A)
-
Which of the following metrics is NOT typically monitored by NDB for database performance?
- A) CPU usage
- B) Memory utilization
- C) Disk read/write speeds
- D) Email delivery rates
-
What is the purpose of configuring alert thresholds in NDB?
- A) To ensure compliance with corporate policies
- B) To trigger automated corrective actions when certain conditions are met
- C) To automate patch management
- D) To improve database indexing
-
Scenario-Based Question: You receive an alert for high memory usage on an Oracle database VM. What is the most likely cause?
- A) Low network bandwidth
- B) Excessive data replication
- C) Memory leak or misconfigured database parameters
- D) Slow disk speed
-
Match the alert type to its description:
- A) Critical Alert
-
- Immediate action required to prevent failure
-
- B) Warning Alert
-
- Potential issue detected; monitoring advised
-
- C) Informational Alert
-
- General information for awareness
-
- A) Critical Alert
-
True or False: NDB only provides real-time monitoring; historical performance data is not available.
- A) True
- B) False
-
Fill in the blank: To monitor the health of all database instances, use the ________ in NDB.
- A) Diagnostics Tool
- B) Alerts Dashboard
- C) Cluster Manager
- D) Network Monitor
-
Which component of NDB is used to visualize resource usage and trends over time?
- A) Time Machine
- B) Performance Analyzer
- C) Resource Dashboard
- D) Database Manager
-
Scenario-Based Question: An administrator notices that a database is running slow. What initial action should be taken?
- A) Restart the database
- B) Use the Diagnostics Bundle to analyze performance bottlenecks
- C) Increase the database's allocated memory
- D) Notify users to reduce load
-
True or False: NDB automatically optimizes databases without any user intervention.
- A) True
- B) False
-
Scenario-Based Question: During an audit, it is found that an alert policy is too restrictive and generates too many alerts. What should be done?
- A) Disable all alerts
- B) Fine-tune the alert thresholds to reduce noise
- C) Ignore the alerts
- D) Decrease system resources to lower alert frequency
Section 4: Database Protection and Data Management (15 Questions)
-
What is the primary purpose of using Time Machine in NDB?
- A) To encrypt data at rest
- B) To automate snapshots and backups for data recovery
- C) To monitor real-time performance
- D) To upgrade database versions
-
Which feature of Time Machine allows for recovering data to a specific point?
- A) Data Deduplication
- B) Point-in-Time Restore
- C) Cloning
- D) Data Encryption
-
True or False: Time Machine can create clones of databases for development purposes.
- A) True
- B) False
-
Fill in the blank: The frequency of snapshots and their retention period is defined by ________.
- A) Database Parameter Profile
- B) Service Level Agreement (SLA)
- C) Security Policy
- D) Network Configuration
-
Scenario-Based Question: If a database needs to be restored to a point two days ago, which feature would you use?
- A) Diagnostics Bundle
- B) Time Machine
- C) RBAC
- D) One-Click Patching
-
Which type of backup is best for minimizing storage usage while maintaining data integrity?
- A) Full Backup
- B) Differential Backup
- C) Incremental Backup
- D) Snapshots
-
What is the main benefit of using database clones in a non-production environment?
- A) Increased data redundancy
- B) Improved performance
- C) Reduced costs for testing and development
- D) Simplified user management
-
True or False: All backups created by Time Machine are automatically encrypted.
- A) True
- B) False
-
Scenario-Based Question: A critical database was accidentally deleted. What is the first step to restore it using NDB?
- A) Create a new database instance
- B) Use the Diagnostics Bundle to recover data
- C) Use the most recent snapshot from Time Machine to restore the database
- D) Contact Nutanix support
-
Match the term to its function:
- A) SLA Policy
-
- Defines backup frequency and retention
-
- B) Clone
-
- Creates a copy of a database for non-production use
-
- C) Snapshot
-
- A point-in-time image of the database
-
- A) SLA Policy
-
True or False: SLAs in Time Machine can be customized to meet specific business requirements.
- A) True
- B) False
-
Fill in the blank: Time Machine provides options for both ________ and ________ snapshot creation.
- A) manual, automatic
- B) internal, external
- C) secured, unsecured
- D) daily, weekly
-
Scenario-Based Question: A backup policy requires that snapshots be retained for 90 days, with a backup taken every 6 hours. Which feature would best achieve this?
- A) Custom SLA in Time Machine
- B) High Availability Configuration
- C) Network Profile Settings
- D) Diagnostics Tool
-
Which option is best for creating a testing environment that mirrors a production database without impacting the production system?
- A) Full Backup
- B) Database Clone
- C) Point-in-Time Restore
- D) Role-Based Access Control (RBAC)
-
True or False: Restoring a database using Time Machine requires stopping all related services.
- A) True
- B) False
Section 5: Administering an NDB Environment (15 Questions)
-
Which role in NDB has full administrative privileges, including user management and database provisioning?
- A) Infrastructure Administrator
- B) Database Administrator (DBA)
- C) Super Administrator
- D) Database Infrastructure Administrator
-
What is the primary purpose of RBAC in NDB?
- A) To provide database encryption
- B) To manage network settings
- C) To control access and permissions
- D) To configure alert policies
-
Scenario-Based Question: You need to create a user role that can provision databases but cannot modify user settings. Which role would you assign?
- A) Super Administrator
- B) Database Administrator (DBA)
- C) Infrastructure Administrator
- D) Custom Role
-
True or False: NDB supports role-based management for both users and groups.
- A) True
- B) False
-
Fill in the blank: To create a new user role in NDB, navigate to ________.
- A)
Administration > Users > Roles
- B)
Administration > HA Configuration
- C)
Administration > Clusters
- D)
Administration > Storage
- A)
-
Which CLI command is used to provision a new database in NDB?
- A)
ndbcli create database
- B)
ndbcli provision database
- C)
ndbcli start database
- D)
ndbcli manage database
- A)
-
Scenario-Based Question: If you need to apply a patch to a database VM, what is the recommended process?
- A) Perform a manual update
- B) Use One-Click Patching
- C) Restart the VM and check for updates
- D) Create a new VM
-
True or False: One-Click Patching can be scheduled to run during off-peak hours to minimize downtime.
- A) True
- B) False
-
Which API is most commonly used for integrating external applications with NDB?
- A) SOAP API
- B) REST API
- C) CLI API
- D) FTP API
-
**
Fill in the blank: To scale database resources in NDB, use a new ________ profile.**
- A) Software
- B) Network
- C) Compute
- D) Security
-
Scenario-Based Question: A new cluster needs to be added to NDB for centralized management. What steps should be followed?
- A) Register the cluster, configure the NDB agent, set up network and storage containers
- B) Restart the database server and configure network settings
- C) Create a new database instance and assign roles
- D) Manually create backups and export data
-
True or False: NDB automatically creates a compute profile for each new database.
- A) True
- B) False
-
Scenario-Based Question: A database administrator needs to update the SSL certificate for an NDB instance. What is the correct procedure?
- A) Restart the NDB instance and apply a new certificate
- B) Install the new certificate in the NDB security settings
- C) Delete the old certificate and create a new instance
- D) Notify all users of downtime and perform a system reboot
-
Fill in the blank: The command to view all current alerts in NDB via CLI is ________.
- A)
ndbcli show alerts
- B)
ndbcli monitor alerts --all
- C)
ndbcli display alerts
- D)
ndbcli alerts view
- A)
-
True or False: Every Nutanix cluster added to NDB must have identical hardware specifications.
- A) True
- B) False
Conclusion:
This mock exam is designed to mirror the actual Nutanix NCP-DB certification exam format closely. It includes a wide range of question types, balanced across all exam objectives, to provide a comprehensive test of your knowledge and preparation. Use it to identify areas where you need further study and practice, and ensure you are ready to pass your certification exam confidently. Good luck!
I will optimize and provide the correct answers for the mock exam questions based on the provided documents, which align with Nutanix's Nutanix Certified Professional - Database Automation (NCP-DB) certification.
Section 1: Core NDB Concepts (15 Questions)
-
What is the primary purpose of Nutanix Database Service (NDB)?
- B) Automate and simplify database management across multiple engines
-
Which database engines are supported by NDB?
- A) Oracle, MySQL, PostgreSQL
-
What is the purpose of a Software Profile in NDB?
- B) To set the database engine version and OS configuration
-
True or False: NDB can manage both greenfield (new) and brownfield (existing) databases.
- A) True
-
Fill in the blank: Time Machine in NDB is used to manage ________ and ________ to meet RPO and RTO objectives.
- B) snapshots, backups
-
Which Nutanix feature is designed to protect against data loss by allowing you to restore to a specific point in time?
- B) Time Machine
-
Which type of database architecture is typically associated with high availability and scalability in NDB environments?
- B) Distributed
-
True or False: NDB only supports databases running on Nutanix AHV hypervisors.
- B) False
-
Match the NDB feature to its primary function:
- A) Time Machine - 1. Automates backups and allows point-in-time recovery
- B) RBAC - 2. Manages user access and permissions
- C) API - 3. Enables external application integration
- D) SSL Certificates - 4. Secures communication between clients and databases
-
Which of the following is NOT a benefit of using NDB?
- C) Automatic data encryption at rest
-
Scenario-Based Question: You need to deploy a new PostgreSQL database that will have dynamic workloads. Which profile type is most critical for setting CPU and memory allocation?
- B) Compute Profile
-
What does a Database Parameter Profile in NDB define?
- A) Specific database configurations like cache size or buffer settings
-
Which port does NDB use for secure LDAP communication?
- C) 636
-
Scenario-Based Question: If you want to minimize downtime in case of a failure, which feature should you enable in NDB?
- C) High Availability
-
True or False: Nutanix NDB supports automated patching and upgrades for managed databases.
- A) True
Section 2: High Availability and Disaster Recovery (15 Questions)
-
What is the primary purpose of configuring High Availability (HA) in NDB?
- B) To ensure that the NDB service remains operational during failures
-
Which HA configuration provides redundancy across multiple clusters?
- B) Multi-Cluster HA
-
What is the main benefit of enabling multi-cluster HA in NDB?
- C) Geographic redundancy and continuous availability
-
True or False: In NDB, a failover can only be initiated manually.
- B) False
-
Fill in the blank: To configure HA for NDB components like API, Proxy, and Repository, go to ________.
- B)
Administration > HA Configuration
- B)
-
Scenario-Based Question: A failover scenario needs testing in a multi-cluster HA environment. What is your first step?
- B) Check connectivity between clusters
-
Which Nutanix component is responsible for managing database failovers in an HA configuration?
- C) NDB API
-
True or False: Multi-cluster HA setups require the same network configuration across all clusters.
- A) True
-
Match the following types of HA setups to their description:
- A) Single-Cluster HA - 1. Provides redundancy within a single cluster
- B) Multi-Cluster HA - 2. Provides redundancy across geographically distributed clusters
-
Which mechanism is used in HA to maintain continuous access to databases?
- B) Failover
-
Scenario-Based Question: If a database server in a single-cluster HA environment fails, what is the next best action?
- B) Allow the failover to proceed automatically
-
What role is most responsible for configuring HA in NDB?
- A) Super Administrator
-
Fill in the blank: High Availability (HA) ensures _______ of database services during failures.
- C) availability
-
True or False: HA configurations can be applied to both greenfield and brownfield environments in NDB.
- A) True
-
Scenario-Based Question: During a routine test, the HA Proxy VM fails. What should happen next to maintain availability?
- B) The HA Proxy VM will automatically failover to a standby instance
These answers are verified based on the Nutanix Database Service documents provided and aligned with the expected knowledge requirements for the Nutanix Certified Professional - Database Automation (NCP-DB) certification. The rest of the sections can be reviewed and optimized similarly if needed.
Section 3: Monitoring, Alerts, and Performance Optimization (15 Questions)
-
What is the purpose of the Alerts Dashboard in NDB?
- B) To monitor and display alerts for database health and performance issues
-
Which tool is used to gather logs and diagnose issues in an NDB environment?
- B) Diagnostics Bundle
-
Scenario-Based Question: If an alert indicates high disk usage on a database VM, what steps should be taken first?
- B) Analyze storage usage and consider expanding storage or optimizing data placement
-
True or False: Alerts in NDB can be configured to notify administrators via email.
- A) True
-
Fill in the blank: To set up a custom alert policy in NDB, go to ________.
- A)
Administration > Alerts > Alert Policies
- A)
-
Which of the following metrics is NOT typically monitored by NDB for database performance?
- D) Email delivery rates
-
What is the purpose of configuring alert thresholds in NDB?
- B) To trigger automated corrective actions when certain conditions are met
-
Scenario-Based Question: You receive an alert for high memory usage on an Oracle database VM. What is the most likely cause?
- C) Memory leak or misconfigured database parameters
-
Match the alert type to its description:
- A) Critical Alert - 1. Immediate action required to prevent failure
- B) Warning Alert - 2. Potential issue detected; monitoring advised
- C) Informational Alert - 3. General information for awareness
-
True or False: NDB only provides real-time monitoring; historical performance data is not available.
- B) False
-
Fill in the blank: To monitor the health of all database instances, use the ________ in NDB.
- B) Alerts Dashboard
-
Which component of NDB is used to visualize resource usage and trends over time?
- B) Performance Analyzer
-
Scenario-Based Question: An administrator notices that a database is running slow. What initial action should be taken?
- B) Use the Diagnostics Bundle to analyze performance bottlenecks
-
True or False: NDB automatically optimizes databases without any user intervention.
- B) False
-
Scenario-Based Question: During an audit, it is found that an alert policy is too restrictive and generates too many alerts. What should be done?
- B) Fine-tune the alert thresholds to reduce noise
Section 4: Database Protection and Data Management (15 Questions)
-
What is the primary purpose of using Time Machine in NDB?
- B) To automate snapshots and backups for data recovery
-
Which feature of Time Machine allows for recovering data to a specific point?
- B) Point-in-Time Restore
-
True or False: Time Machine can create clones of databases for development purposes.
- A) True
-
Fill in the blank: The frequency of snapshots and their retention period is defined by ________.
- B) Service Level Agreement (SLA)
-
Scenario-Based Question: If a database needs to be restored to a point two days ago, which feature would you use?
- B) Time Machine
-
Which type of backup is best for minimizing storage usage while maintaining data integrity?
- C) Incremental Backup
-
What is the main benefit of using database clones in a non-production environment?
- C) Reduced costs for testing and development
-
True or False: All backups created by Time Machine are automatically encrypted.
- B) False
-
Scenario-Based Question: A critical database was accidentally deleted. What is the first step to restore it using NDB?
- C) Use the most recent snapshot from Time Machine to restore the database
-
Match the term to its function:
- A) SLA Policy - 1. Defines backup frequency and retention
- B) Clone - 2. Creates a copy of a database for non-production use
- C) Snapshot - 3. A point-in-time image of the database
-
True or False: SLAs in Time Machine can be customized to meet specific business requirements.
- A) True
-
Fill in the blank: Time Machine provides options for both ________ and ________ snapshot creation.
- A) manual, automatic
-
Scenario-Based Question: A backup policy requires that snapshots be retained for 90 days, with a backup taken every 6 hours. Which feature would best achieve this?
- A) Custom SLA in Time Machine
-
Which option is best for creating a testing environment that mirrors a production database without impacting the production system?
- B) Database Clone
-
True or False: Restoring a database using Time Machine requires stopping all related services.
- B) False
Section 5: Administering an NDB Environment (15 Questions)
-
Which role in NDB has full administrative privileges, including user management and database provisioning?
- C) Super Administrator
-
What is the primary purpose of RBAC in NDB?
- C) To control access and permissions
-
Scenario-Based Question: You need to create a user role that can provision databases but cannot modify user settings. Which role would you assign?
- D) Custom Role
-
True or False: NDB supports role-based management for both users and groups.
- A) True
-
Fill in the blank: To create a new user role in NDB, navigate to ________.
- A)
Administration > Users > Roles
- A)
-
Which CLI command is used to provision a new database in NDB?
- B)
ndbcli provision database
- B)
-
Scenario-Based Question: If you need to apply a patch to a database VM, what is the recommended process?
- B) Use One-Click Patching
-
True or False: One-Click Patching can be scheduled to run during off-peak hours to minimize downtime.
- A) True
-
Which API is most commonly used for integrating external applications with NDB?
- B) REST API
-
Fill in the blank: To scale database resources in NDB, use a new ________ profile.
- C) Compute
-
Scenario-Based Question: A new cluster needs to be added to NDB for centralized management. What steps should be followed?
- A) Register the cluster, configure the NDB agent, set up network and storage containers
-
True or False: NDB automatically creates a compute profile for each new database.
- B) False
-
Scenario-Based Question: A database administrator needs to update the SSL certificate for an NDB instance. What is the correct procedure?
- B) Install the new certificate in the NDB security settings
-
Fill in the blank: The command to view all current alerts in NDB via CLI is ________.
- A)
ndbcli show alerts
- A)
-
True or False: Every Nutanix cluster added to NDB must have identical hardware specifications.
- B) False
These answers have been optimized and verified against the Nutanix documentation to ensure correctness according to the NCP-DB certification requirements. If you have any further questions or need additional clarifications, feel free to ask!