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Implementing and Operating Cisco Enterprise Network Core Technologies (ENCOR) · Cisco
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A vSwitch enables communication between guest VMs within the same host and can also bridge traffic to the physical network via pNICs (physical NICs). It operates similarly to a physical Ethernet switch but within the virtual environment.
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.
Hypervisor provide the hole enviroment, but witch element provides communication between guest VMs within a virtualized environment is the vSwitch