Question

How is high availability (HA) achieved in cloud systems?

a.

By increasing the number of computational nodes.

b.

By reducing the speed of data processing.

c.

By using fault-tolerant capabilities for virtual machines and redundant storage for distributed databases.

d.

By limiting access to the system to a single geographical location.

Posted under Big Data Computing

Answer: (c).By using fault-tolerant capabilities for virtual machines and redundant storage for distributed databases. Explanation:High availability (HA) in cloud systems is achieved by using fault-tolerant capabilities for virtual machines and redundant storage for distributed databases.

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