An administrator is tasked with providing a Jr DBA with access to NBD with limited capabilities. This user should only be able to: * Provision Databases * Provision Database Servers * Create Ones * Refresh Clones * Patch Database Servers How can the administrator complete this task?
Correct Answer: B
The correct answer is B because it allows the administrator to create a custom role with the specific privileges that the Jr DBA user needs, and then assign that role to the user. This way, the administrator can control the access level of the Jr DBA user without affecting the existing roles or users in NDB. Option A is incorrect because it involves cloning the Database Admin role, which has more privileges than the Jr DBA user requires, and then adding more privileges, which is unnecessary and redundant. Option C is incorrect because it involves creating a user for the Jr DBA, but not assigning a role to the user, which means the user will not have any privileges in NDB. Option D is incorrect because it involves cloning the Database Admin role, which has more privileges than the Jr DBA user requires, and then removing some of the privileges, which is inefficient and risky. References: The following sources provide more information about the user roles and privileges in NDB: * Nutanix Database Management & Automation (NDMA) course, Module 8: Administering an NDB Environment, Lesson 8.6: Managing Access Controls in NDB * Nutanix Certified Professional - Database Automation (NCP-DB) v6.5, Knowledge Objectives, Section 6 - Administer an NDB Environment * Nutanix Database Service (NDB) User Guide, Chapter 8: Administering an NDB Environment, Section 8.6: Managing Access Controls in NDB
NCP-DB Exam Question 37
Which statement describes a user in Era with the Database Infrastructure Admin role?
Correct Answer: B
The size of a database Time Machine in Nutanix Era is defined by the size of all snapshots and/or transaction logs maintained by Era1. The Time Machine leverages Nutanix's efficient snapshot technology to capture the state of the database at different points in time1. These snapshots, along with transaction logs that record changes between snapshots, constitute the data maintained by the Time Machine1. Therefore, the size of the Time Machine is determined by the total size of these snapshots and transaction logs1.
NCP-DB Exam Question 38
Which statement is true regarding the NDB alert retention feature?
Correct Answer: A
The NDB alert retention feature allows the database administrator to configure the duration for which the NDB alerts are stored and displayed in the NDB instance. The NDB alert retention feature supports alert retention globally, meaning that the same retention period applies to all the alerts generated by the NDB instance, regardless of the source cluster, policy, or operation. The database administrator can set the alert retention period from 1 day to 365 days, or choose to retain the alerts indefinitely. The NDB alert retention feature helps to manage the storage space and the visibility of the NDB alerts. The NDB alert retention feature does not support retention at the individual policy, grouped policy, or registered cluster level. The NDB alert retention feature applies to all the alerts uniformly, and does not allow the database administrator to specify different retention periods for different policies or clusters. References: * Nutanix Database Management & Automation Training Course, Module 3: Nutanix Era Deployment, Lesson 3.2: Nutanix Era Deployment, slide 11. * Nutanix Database Management & Automation Training Course, Module 5: Nutanix Era Operations, Lesson 5.1: Nutanix Era Operations, slide 6.
NCP-DB Exam Question 39
An administrator would like to provide a group of users the ability to add a new VLAN or IP Pool in Era. What minimum role should the administrator assign to this group?
Correct Answer: C
In Nutanix Era, the ability to add a new VLAN or IP Pool is typically associated with the role of an Infrastructure Administrator12. This role has the necessary permissions to manage network configurations, including the creation of VLANs and IP Pools12. It's important to note that the exact permissions may vary depending on the specific configuration and policies of your organization12.
NCP-DB Exam Question 40
An administrator is adding a stretched VLAN in NDB. Which VLAN type(s) will satisfy this task?
Correct Answer: D
The administrator can add a stretched VLAN in NDB using either static or dynamic VLANs. A stretched VLAN is a VLAN that spans across multiple Nutanix clusters, and allows the NDB-managed databases to communicate and migrate between different clusters. A static VLAN is a VLAN that is manually configured and assigned to the database server VMs and the databases by the administrator. A dynamic VLAN is a VLAN that is automatically configured and assigned to the database server VMs and the databases by the NDB instance, using the Nutanix Calm orchestration service. Both static and dynamic VLANs can be used to create a stretched VLAN in NDB, as long as they have the same VLAN ID and network configuration across the clusters. The administrator cannot add a stretched VLAN in NDB using only VLANs that are not managed in NDB. A VLAN that is not managed in NDB is a VLAN that is configured and assigned to the database server VMs and the databases outside of the NDB instance, using the Nutanix Prism web console or other tools. A VLAN that is not managed in NDB cannot be used to create a stretched VLAN in NDB, as it is not recognized or controlled by the NDB instance. References: * Nutanix Database Management & Automation Training Course, Module 4: Nutanix Era Configuration, Lesson 4.1: Nutanix Era Configuration, slide 8. * Nutanix Database Management & Automation Training Course, Module 6: Nutanix Era Disaster Recovery, Lesson 6.1: Nutanix Era Disaster Recovery, slides 6-7.
