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| Certification Vendor: | Nutanix |
|---|---|
| Exam Name: | Nutanix Certified Professional - Database Automation (NCP-DB) v6.5 |
| Exam Number: | NCP-DB |
| Related Certifications: | Nutanix Certified Professional - Database Automation (NCP-DB) |
| Exam Format: | Multiple Choice |
| Exam Duration: | 120 minutes |
| Available Languages: | English |
| Real Exam Qty: | 75 |
| Exam Price: | USD $200 |
| Certificate Validity Period: | 2 Years |
| Sample Questions: | Nutanix NCP-DB Sample Questions |
| Exam Way: | Online (Proctored) |
| Pre Condition: | Nutanix recommends 6-12 months of experience with Nutanix Database Service (NDB) and database administration. |
| Official Syllabus URL: | https://www.nutanix.com/support-services/training-certification/certifications/ncp-db |
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NEW QUESTION # 67
An administrator needs to deploy a new PostgreSQL instance but limit the maximum number of database connections after the instance enters production.
Which profile should the administrator configure to meet this requirement?
Answer: D
Explanation:
PostgreSQL max_connections is an engine-level initialization parameter that controls the maximum number of concurrent sessions accepted by the database server. NDB manages settings of this type through a Database Parameters Profile. The administrator can create or customize a PostgreSQL parameters profile, set the required connection limit, and select that profile during provisioning so the new instance starts with the approved production configuration. A Network Profile controls VLAN and address allocation, not database session limits. A Software Profile contains the operating-system and PostgreSQL software image used to create the server. A Windows Domain Profile contains Active Directory and Windows service-account information and is not applicable to this Linux-based PostgreSQL setting. Therefore, option D is correct. The parameter should also be sized according to available memory and workload requirements. Official Nutanix PostgreSQL profile documentation
NEW QUESTION # 68
Which two encryption methods can be used when configuring an SMTP server? (Choose two.)
Answer: B,D
Explanation:
NDB supports SMTP server configuration for sending email notifications and alerts. SMTP server configuration requires specifying the SMTP server address, port, username, password, and encryption method. The encryption method determines how the email messages are secured during transmission. NDB supports two encryption methods for SMTP server configuration: TLS and SSL.
TLS (Transport Layer Security) is a protocol that encrypts and authenticates data between the email client and the SMTP server. TLS can operate in two modes: explicit and implicit. In explicit mode, the email client and the SMTP server negotiate the encryption method and parameters after establishing a plain text connection.
This mode typically uses port 587. In implicit mode, the email client and the SMTP server assume that the connection is encrypted from the start, without any negotiation. This mode typically uses port 465.
SSL (Secure Sockets Layer) is a predecessor of TLS that also encrypts and authenticates data between the email client and the SMTP server. SSL operates in implicit mode only, and uses port 465 by default. SSL is less secure than TLS, but it is still widely used and supported by many email providers.
S/MIME (Secure/Multipurpose Internet Mail Extensions) is a standard that encrypts and signs email messages at the application layer, rather than the transport layer. S/MIME requires the use of digital certificates and public key cryptography to ensure the confidentiality and integrity of email messages. S/MIME is not a valid encryption method for SMTP server configuration, as it does not affect the connection between the email client and the SMTP server.
IPsec (Internet Protocol Security) is a suite of protocols that secures IP packets at the network layer, rather than the application or transport layer. IPsec can encrypt and authenticate data between any two IP endpoints, such as routers, firewalls, or hosts. IPsec is not a valid encryption method for SMTP server configuration, as it does not apply to the specific protocol or port used by SMTP.
References:
* Nutanix Database Automation (NCP-DB) Course Details, Section 1.4: NDB Alerts and Notifications
* Nutanix Database Automation (NCP-DB) Certification Details, Objective 1.4: Configure NDB Alerts and Notifications
* Nutanix Database Automation (NCP-DB) YouTube Playlist, Video 1.4: NDB Alerts and Notifications
* [Nutanix Database Automation (NCP-DB) User Guide], Section 1.4: Configure SMTP Server Settings
NEW QUESTION # 69
An NDB administrator wants to configure object storage for database log backups.
What step must be completed first to enable Nutanix Objects for use in NDB?
Answer: C
Explanation:
Prism Central registration is the prerequisite that makes Nutanix Objects discoverable and manageable by NDB. Nutanix states that one or more Prism Central domains must be registered with NDB before an Object Store can be provisioned or registered. Once that relationship exists, the administrator can select the appropriate Prism Central and Object Store from the NDB workflow and then configure the store for database log backups. Registering an S3-compatible store is a later object-store onboarding step, not the initial prerequisite. An NC2 deployment is optional, and directly registering only the Prism Element instance hosting Objects does not satisfy the documented integration sequence. Therefore, option C is correct. The candidate file's supplied answer D conflicts with the official prerequisite and has been corrected. Nutanix Prism Central registration documentation
NEW QUESTION # 70
How would an administrator enter the NDB command line to change the static IP address on the NDB VM?
Answer: D
Explanation:
To change the static IP address on the NDB VM, an administrator would need to enter the NDB command line using the cerebro_cli command. The cerebro_cli command is used to access the Cerebro service, which is responsible for managing the NDB instance and its components. The cerebro_cli command can be run from the NDB VM or from any other VM that has network connectivity to the NDB VM.
The cerebro_cli command has various subcommands and options to perform different tasks, such as changing the IP address, hostname, password, or certificate of the NDB VM. To change the static IP address, the administrator would need to use the cerebro_cli network update subcommand with the appropriate parameters, such as the new IP address, netmask, gateway, and DNS servers. The cerebro_cli network update subcommand also requires the administrator to provide the current password of the NDB VM for authentication. After changing the IP address, the administrator would need to restart the NDB VM for the changes to take effect. References:
Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Section 2 - Deploy and Configure an NDB Solution, Objective 2.2: Configure an NDB Instance Nutanix Database Management & Automation (NDMA) Course, Module 3: Nutanix Database Service (NDB) Installation and Configuration, Lesson 3.2: Configuring NDB, Topic: Changing the IP Address of the NDB VM Nutanix Database Service (NDB) Command Line Interface Guide, Chapter 2: Cerebro CLI, Section:
cerebro_cli network update
NEW QUESTION # 71
When executing an automated database restore or point-in-time log replay on a Linux target host with SELinux configured in Enforcing Mode, how does NDB ensure that the operating-system kernel does not block the attachment of newly restored storage volumes?
Answer: A
Explanation:
SELinux enforcing mode permits access only when files, directories, mount points, and processes carry labels allowed by the active policy. NDB's supported model uses database-engine-specific SELinux configuration and policies so restored storage paths receive the expected security contexts and remain accessible after attachment. This is why predefined contexts and file policies tailored to the database paths are the valid mechanism. NDB does not guarantee restores by switching the host to permissive mode, because that would suspend enforcement. It also does not install kernel-bypass modules or disable auditing. Dynamically inventing policies during every restore would be operationally unsafe and inconsistent with the documented requirement to prepare SELinux for the relevant database engine. Correctly applied persistent contexts allow the kernel to authorize mount and database access while SELinux remains fully enforcing. Nutanix describes the supported model in Security-Enhanced Linux Configuration.
NEW QUESTION # 72
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