In a virtual environment, which of the following allows all the VMs to have RAM allocated for use?
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A. B. C. D.A.
In a virtual environment, each virtual machine (VM) runs as an independent operating system with its own virtual hardware, including CPU, memory, disk, and network interface cards. The resources on a physical host machine are shared among multiple VMs running on it. In this context, the answer to the question is A) Resource pooling.
Resource pooling is a technique used in virtual environments that allows physical resources such as CPU, memory, and storage to be shared among multiple VMs. The concept is to allocate physical resources as needed by the virtual machines, allowing more efficient use of hardware resources.
In the case of RAM allocation, the host machine's physical memory is divided into multiple chunks and assigned to individual VMs based on their requirements. This allows each VM to have its own dedicated memory space that cannot be accessed by other VMs. The resource pool is managed by the virtualization software, which monitors resource utilization and dynamically allocates resources as needed.
Measured service is a concept that refers to the practice of measuring and charging customers only for the computing resources they actually use, rather than for a fixed amount of resources. Virtual application streaming is a technology that delivers applications to end-users on-demand over a network, without requiring installation on local machines. Synchronization is a process of ensuring that data is consistent across multiple systems or devices.
Therefore, resource pooling is the correct answer to the question as it allows all the VMs to have RAM allocated for use.