Question

Most NoSQL databases support automatic _____ meaning that you get high availability and disaster recovery.
1. Processing
2. Scalability
3. Replication
4. All of the options

Answer 1

Correct Answer - Option 3 : Replication

The correct answer is option 3.

• The storage environment is essentially virtualized from the developer’s perspective. So NoSQL databases support automatic replication means that you get high availability and disaster recovery.

∴ Hence the correct answer is Replication.

• A NoSQL originally referring to non SQL or non-relational is a database that provides a mechanism for storage and retrieval of data. This data is modelled in means other than the tabular relations used in relational databases.
• There are many advantages of working with NoSQL databases such as MongoDB and Cassandra. The main advantages are high scalability and high availability.