A system administrator is configuring a bare-metal virtualization host equipped with 64\te… — CompTIA A+ (Core 1 & Core 2)

A system administrator is configuring a bare-metal virtualization host equipped with $64\text{ GB}$ of physical RAM. The hypervisor requires a dedicated allocation of $8\text{ GB}$ of RAM for host management and system overhead. Each virtual machine (VM) deployed on the host requires $4\text{ GB}$ of RAM. Assuming memory overcommitment is not permitted, what is the maximum number of virtual machines that can be concurrently hosted on this server?

Cevap: 14 VMs

Cevap

The maximum number of virtual machines that can be concurrently hosted is 14.

To determine the maximum number of virtual machines, host RAM overhead must first be subtracted from the total physical memory.

64\text{ GB} - 8\text{ GB} = 56\text{ GB}

of memory remains available for guest virtual machines. Dividing

56\text{ GB}

4\text{ GB}

per VM yields a maximum capacity of 14 VMs.

Adım Adım Çözüm

Calculate the usable RAM available for guest virtual machines

56\text{ GB}

of RAM available (

64\text{ GB} - 8\text{ GB}

)

The hypervisor host requires

8\text{ GB}

reserved for host management and operations, which cannot be assigned to guest VMs.

Calculate the maximum number of guest VMs supported

14

virtual machines (

56\text{ GB} / 4\text{ GB}

)

Dividing the remaining

56\text{ GB}

of RAM by the

4\text{ GB}

required per VM yields the maximum VM capacity without overcommitment.

Anahtar Kavram

Virtual Machine Resource Allocation and Hypervisor Overhead

Soru

Cevap

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