NCP Nutanix Architecture and Concepts 2

Question 1

Which Nutanix component is responsible for handling distributed metadata and ensuring data consistency across the cluster?

Accepted Answer

Cassandra

Answer

Cassandra is Nutanix's distributed metadata store that maintains consistency across all nodes using a ring-based architecture.

Question 2

In a Nutanix cluster, what is the purpose of the 'Curator' service?

Accepted Answer

Performs background distributed operations like disk balancing and garbage collection

Answer

Curator is responsible for background maintenance tasks including disk usage rebalancing, data compression, deduplication, and garbage collection.

Question 3

What does the Nutanix 'Stargate' service primarily handle?

Accepted Answer

All data I/O operations including reads, writes, and caching

Answer

Stargate is the data I/O gateway that handles all read and write operations, manages the tiered storage system, and implements data protection.

Question 4

Which Nutanix feature allows the cluster to continue operating even when a node fails, by maintaining multiple copies of data?

Accepted Answer

Replication Factor (RF)

Answer

Replication Factor (RF) determines how many copies of data are maintained across nodes, allowing the cluster to tolerate node failures without data loss.

Question 5

In Nutanix AOS, what is a 'vDisk'?

Accepted Answer

A logical disk abstraction that represents VM storage in the Nutanix DSF

Answer

A vDisk is a logical representation of a virtual disk within the Nutanix Distributed Storage Fabric, storing VM data across the cluster.

(NCP) Certified Nutanix Professional Practice Test

(NCP) Certified Nutanix Professional Practice Test

NCP Nutanix Architecture and Concepts 2