ICT Cloud Computing and Virtualization 3

Question 1

What is 'cloud bursting'?

Accepted Answer

Automatically using public cloud resources when private cloud capacity is exceeded

Answer

Cloud bursting lets workloads overflow from a private cloud to a public cloud during peak demand.

Question 2

Which storage type in cloud environments provides block-level storage commonly used for databases?

Accepted Answer

Block storage

Answer

Block storage presents raw volumes to VMs, making it ideal for databases that require low-latency I/O.

Question 3

What is the primary purpose of a Virtual Private Cloud (VPC)?

Accepted Answer

To provide an isolated network segment within a public cloud

Answer

A VPC creates a logically isolated network in the public cloud where you control IP ranges, subnets, and routing.

Question 4

In containerization, what does a container image contain?

Accepted Answer

Application code, runtime, libraries, and configuration bundled together

Answer

A container image packages everything the application needs to run except the OS kernel, which is shared.

Question 5

Which cloud cost model charges based on actual usage with no upfront commitment?

Accepted Answer

On-demand pricing

Answer

On-demand pricing lets you pay by the hour or second for resources without long-term contracts.

ICT - Information Communication Technology Practice Test