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When an organization is considering the use of cloud services for BCDR planning and solutions, which of the following cloud concepts would be the most important?
Suggested Answer:D🗳️
Portability is the ability for a service or system to easily move among different cloud providers. This is essential for using a cloud solution for BCDR because vendor lock-in would inhibit easily moving and setting up services in the event of a disaster, or it would necessitate a large number of configuration or component changes to implement. Interoperability, or the ability to reuse components for other services or systems, would not be an important factor for BCDR. Reversibility, or the ability to remove all data quickly and completely from a cloud environment, would be important at the end of a disaster, but would not be important during setup and deployment. Elasticity, or the ability to resize resources to meet current demand, would be very beneficial to a BCDR situation, but not as vital as portability.
The question is talking about BCDR, if you are unable to move your services/apps to another cloud provider, how can you achieve BCDR !! So the answer is Portability.
B. Elasticity. Elasticity is a key concept in cloud computing that refers to the ability of a cloud service to scale up or down in response to changes in demand. This is particularly important for organizations that are considering using cloud services for business continuity and disaster recovery (BCDR) planning and solutions, as it allows them to quickly and easily increase or decrease their use of cloud resources as needed to support their business operations. Elasticity is typically achieved through the use of automation and other technologies that enable cloud services to automatically scale up or down in response to changes in demand. This can help organizations to ensure that they have the right amount of resources available to support their BCDR needs at all times, and can help to reduce costs by avoiding the need to provision more resources than are actually needed.
The question did not state what is current company's setup like. They probably already in the cloud and looking for another cloud for DR. So, the question is not clear.
Reversibility sounds good but it is in context when you move out of cloud completely to your dc. In this case, we are not doing this.
This leaves Portability as the most viable option. We failover from DC to Cloud and go back to DC.
Disagree with Portability. The question seems to ask if you are using the cloud as the BCDR. not what you would do if your cloud goes down and needs to move to another cloud. That's where portability would play in.
"Reversibility is the ability of a cloud customer to take all their systems and data out of a cloud provider and have assurances from the cloud provider that all the data has been securely and completely removed within an agreed-upon timeline. In most cases this will be done by the cloud customer by first retrieving all their data and processes from the cloud provider, serving notice that all active and available files and systems should be deleted, and then removing all traces from long-term archives or storage at an agreed-upon point in time. Reversibility also encompasses the ability to smoothly transition to a different cloud provider with minimal operational impact."
So I still don't know what the answer is.
A. should be the answer. You need the data back, so you got to make sure that reversibility is working otherwise you are gonna lose data regardless of portability
Reversibility deals with leaving nothing behind when you go back, not with getting the data back. But what purpose would a DR solution serve if your systems and apps are not going to work on the CSP?.
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