Guys, there is no way two VMs communicate without a virtual switch. Of course, without a hypervisor, you can't have VMs or anything at all but the key to VM communication is a virtual switch. No other way around it. At least not for this exam.
Selected Answer: C
Hypervisor provide the hole enviroment, but witch element provides communication between guest VMs within a virtualized environment is the vSwitch
Backing up flash007 here. From the official cert guide:
"A vSwitch enables VMs to communicate with each other within a virtualized server and with external physical networks through the physical network interface cards (pNICs)."
In the official guide estudy appears:
"A hypervisor performs several tasks:
Provides resources to individual operating systems or VMs by partitioning the resources of the physical server or host on which it is installed.
Provides connectivity between VMs and between the VMs and external network resources.
Ensures separation between individual VMs."
You are correct that the hypervisor provides connectivity between virtual machines and external network resources. However, the vSwitch is the specific element that enables communication between guest VMs within a virtualized environment.
When a virtual machine sends network traffic to another virtual machine on the same host, the traffic is sent to the vSwitch. The vSwitch then forwards the traffic to the destination virtual machine. The vSwitch can also be configured to provide network connectivity between virtual machines on different hosts in a cluster.
The hypervisor, on the other hand, is responsible for managing the virtual machines and providing access to physical resources such as CPU, memory, storage, and networking. It provides a layer of abstraction between the virtual machines and the physical hardware, and allows multiple virtual machines to share the same physical resources.
So, while the hypervisor plays a critical role in enabling communication between virtual machines and external network resources, the vSwitch is the specific element that enables communication between guest VMs within a virtualized environment.
the hypervisor is the software that runs the virtual environment. the Pnic is a physical nic but in order to comunicate virtually you need a Vswitch which is a virtual switch
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