Cisco 350-701: Which entity is responsible for encrypting data in transit using IaaS model versus SaaS model?

Table of Contents

Question
Answer
Explanation 4
Reference

Question

Which entity is responsible for encrypting data in transit using an IaaS model versus a SaaS model?

A. Cloud Application Developer for IaaS and Cloud SLA Manager for SaaS
B. Cloud SLA Manager for IaaS and Cloud Application Developer for SaaS
C. Cloud Service Provider for IaaS and Cloud Service Customer for SaaS
D. Cloud Service Customer for IaaS and Cloud Service Provider for SaaS

Answer

D. Cloud Service Customer for IaaS and Cloud Service Provider for SaaS

Explanation 4

D. Cloud Service Customer for IaaS and Cloud Service Provider for SaaS

In the context of data encryption in transit, the responsibility differs between the IaaS (Infrastructure as a Service) model and the SaaS (Software as a Service) model. Let’s break down the responsibilities for each model:

IaaS Model:
In the IaaS model, the Cloud Service Customer (the organization or individual using the cloud services) is responsible for managing and securing their own virtual machines, applications, and data. This includes the responsibility for encrypting data in transit. When data is transmitted between the cloud customer’s virtual machines, applications, or other resources within the IaaS environment, it is the customer’s responsibility to implement the necessary encryption mechanisms to protect data during transit. This involves using encryption protocols and ensuring that the data is securely transmitted over the network.

Cloud Service Provider (CSP) responsibility in IaaS:
The Cloud Service Provider, on the other hand, is responsible for managing the underlying infrastructure that supports the IaaS platform. This includes the physical servers, networking equipment, storage systems, and hypervisors. The CSP ensures that the IaaS platform is designed with security measures to protect against unauthorized access to the underlying infrastructure. However, the CSP does not manage the customer’s virtual machines, applications, or data encryption in transit.

SaaS Model:
In the SaaS model, the responsibility for data encryption in transit lies with the Cloud Service Provider. When users access and interact with the SaaS application over the internet, the data transmitted between the user’s device and the SaaS provider’s servers must be encrypted to ensure the confidentiality and integrity of the data during transit. The Cloud Service Provider is responsible for implementing the necessary encryption protocols and security measures to protect data in transit for their SaaS offering.

Cloud Service Customer responsibility in SaaS:
For the SaaS model, the Cloud Service Customer primarily focuses on using the SaaS application and managing their own user accounts and data within the application. They do not have direct control over the underlying infrastructure or data encryption in transit. This responsibility falls entirely on the Cloud Service Provider.

In summary, for encrypting data in transit:

In the IaaS model, the Cloud Service Customer is responsible for implementing data encryption between their own virtual machines and applications within the IaaS environment.
In the SaaS model, the Cloud Service Provider is responsible for encrypting data during transit between the user’s devices and the SaaS application servers.

Reference

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