Site-to-Site VPN Functionality

A

In a cloud environment, vertical scaling refers to increasing the resources (such as CPU, memory, or storage) of an individual virtual machine or application instance to handle higher workloads or improve performance. Among the given options, the example of vertical scaling in a cloud environment is:

A. Adding an additional CPU to an existing Azure virtual machine.

Explanation: Vertical scaling involves increasing the capacity of a single virtual machine or application instance by adding more resources to it. In this case, by adding an additional CPU to an existing Azure virtual machine, you are vertically scaling the machine's processing power.

When you add an additional CPU to a virtual machine, you are providing it with more processing cores, which can handle more concurrent tasks and execute instructions faster. This allows the virtual machine to handle increased workloads and process requests more efficiently.

Vertical scaling is useful when you have a single virtual machine or application instance that needs to handle a larger number of requests or requires additional processing power to improve performance. It is a way to scale up the capacity of individual resources without adding more virtual machines.

It is important to note that vertical scaling has its limitations. There is a maximum limit to how much you can vertically scale a virtual machine based on the available hardware resources. If the workload continues to grow beyond the limits of vertical scaling, you may need to consider other scaling options such as horizontal scaling, where you add more virtual machines or instances to distribute the workload.

In summary, adding an additional CPU to an existing Azure virtual machine is an example of vertical scaling in a cloud environment, as it involves increasing the processing power of an individual resource to handle higher workloads or improve performance.

Vertical scaling in a cloud environment refers to the process of increasing the capacity of an individual resource, such as a virtual machine or an application, by adding more resources to it. This is also known as scaling up or upgrading. The main advantage of vertical scaling is that it allows you to increase the capacity of a single resource without changing the architecture of the entire system.

Option A, adding an additional CPU to an existing Azure virtual machine, is an example of vertical scaling in a cloud environment. When you add an additional CPU to a virtual machine, you increase its processing power, which allows it to handle more workloads and requests. This can be useful when you have a workload that requires more processing power than the current configuration can handle. By adding an additional CPU, you can improve the performance of the virtual machine without adding another virtual machine.

Option B, adding an additional Azure virtual machine, is an example of horizontal scaling in a cloud environment. Horizontal scaling refers to the process of adding more resources to a system by adding more instances of the same resource. When you add another virtual machine, you increase the capacity of the system by distributing the workload across multiple machines. This can be useful when you need to handle a larger number of requests than a single virtual machine can handle.

Option C, adding an additional Azure Virtual Desktop session host, is also an example of horizontal scaling. When you add another session host, you increase the capacity of the Virtual Desktop infrastructure by distributing the workload across multiple hosts. This can be useful when you need to support a larger number of users than a single session host can handle.

Option D, adding an additional Azure App Service instance automatically, is also an example of horizontal scaling. When you add another instance, you increase the capacity of the App Service by distributing the workload across multiple instances. This can be useful when you need to handle a larger number of requests than a single instance can handle.

In summary, the correct answer to the question is A, adding an additional CPU to an existing Azure virtual machine, as it is an example of vertical scaling in a cloud environment.