VMware Certified Professional - Data Center Virtualization (VCP-DCV) Practice Exam

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In a vSphere DRS cluster, which statement is true regarding virtual machines and CPU reservations based on resource pools?

  1. A virtual machine can be powered on in the Web Resource Pool with a 3 G H. CPU Reservation.

  2. A virtual machine can be powered on in the Web Resource Pool with a 4 G H. CPU Reservation.

  3. A virtual machine can be powered on in the DB Resource Pool with a 3 G H. CPU Reservation.

  4. A virtual machine can be powered on in the DB Resource Pool with a 4 G H. CPU Reservation.

The correct answer is: A virtual machine can be powered on in the DB Resource Pool with a 3 G H. CPU Reservation.

In a vSphere DRS (Distributed Resource Scheduler) cluster, CPU reservations and resource pools are key mechanisms for managing resources among virtual machines. When considering a virtual machine's ability to power on within a specific resource pool, it is crucial to understand how reservations function and the overall capacity of the resource pool. The correct statement indicates that a virtual machine can indeed be powered on in the DB Resource Pool with a 3 GHz CPU reservation. This implies that the DB Resource Pool has been configured to support a guaranteed allocation of 3 GHz of CPU resources for the virtual machine. In other words, the resource pool must have sufficient resources available to accommodate the reservation, ensuring that the virtual machine can start and operate effectively. In a resource pool, CPU reservations define the minimum amount of CPU resources allocated to the virtual machines within that pool. Hence, if the DB Resource Pool has been set up with a total CPU reservation that allows for at least 3 GHz per virtual machine, the virtual machine with a 3 GHz reservation can be powered on without any issues. While the other choices mention a reservation of 4 GHz, whether or not a virtual machine can be powered on with that level of reservation would depend on the overall capacity and the remaining available resources in the