A teacher is explaining the concept of virtual switch (vSwitch) to students in a classroom. What explanation accurately describe a vSwitch?

A teacher is explaining the concept of virtual switch (vSwitch) to students in a classroom. What explanation accurately describe a vSwitch?

• A vSwitch is a software-based Layer 3 switch that operates like a physical switch.
• Multiple vSwitches can be created under a virtualized server, allowing network traffic to flow directly from one vSwitch to another within the same host.
• A vSwitch is a cluster of switches forming a virtual switching system (VSS).
• A vSwitch enables VMs to communicate with external physical networks through physical nework interface cards.

Explanation: A virtual switch (vSwitch) is a software-based Layer 2 switch that operates like a physical Ethernet switch. 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.) Multiple vSwitches can be created under a virtualized server, but network traffic cannot flow directly from one vSwitch to another vSwitch within the same host, and the vSwitches cannot share the same pNIC.

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