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Difficulty: MediumCloud Models (Public, Private, Hybrid, Multi-cloud)

A financial institution operates its core banking ledger on dedicated hardware in a secure, on-premises data center to satisfy regulatory compliance. However, to handle seasonal spikes in user traffic, the customer-facing mobile banking portal is hosted on Microsoft Azure.

Which cloud deployment model is represented by this environment?

  1. A
    Private cloud
  2. B
    Platform as a Service (PaaS)
  3. Hybrid cloudAnswer
  4. D
    Public cloud

Answer

Hybrid cloud
A hybrid cloud model is defined by the integration of public cloud services (like Microsoft Azure) with private cloud or on-premises infrastructure. In this scenario, the financial institution maintains its core ledger locally for regulatory compliance (private/local control) while deploying its mobile portal on Azure (public cloud scalability), forming a hybrid cloud model.

Step-by-Step Solution

1
Identify the infrastructure components mentioned in the scenario.
The scenario describes two main components: a core banking ledger running on dedicated, on-premises hardware, and a mobile portal running on Microsoft Azure.
To determine the cloud model, you must first inventory where the workloads are hosted.
2
Classify the hosting environments into deployment models.
On-premises hardware represents a private cloud/local infrastructure, whereas Microsoft Azure is a public cloud provider.
Classifying each environment allows you to determine how the total infrastructure is structured.
3
Analyze the connection and combination of these two environments.
Combining local/private infrastructure with public cloud resources to support different parts of the same application environment forms a hybrid cloud model.
A hybrid model is specifically defined by the integration of private and public cloud components.

Key Concept

Hybrid cloud definition and characteristics
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Topics

Cloud Models (Public, Private, Hybrid, Multi-cloud)

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