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Difficulty: EasyVirtualization Fundamentals

Match each virtualization component on the left with its corresponding primary function or definition on the right.

  • HypervisorSoftware layer that manages host physical hardware resources and abstracts them for guest systems
  • Virtual Switch (vSwitch)Software entity operating inside the host to perform Layer 2 frame forwarding between virtual instances
  • Virtual Network Interface Card (vNIC)Software-based network adapter presented to a guest operating system to enable network connectivity
  • Virtual Machine (VM)Isolated software container executing a full guest operating system and applications

Answer

Hypervisor matches with the software layer managing host hardware resources; Virtual Switch matches with the software entity performing Layer 2 frame forwarding; Virtual Network Interface Card matches with the software-based network adapter presented to a guest OS; Virtual Machine matches with the isolated software container executing a guest OS.
Each virtualized component serves a distinct role in network and hardware virtualization: the hypervisor manages underlying hardware allocation, the vSwitch handles software-based Layer 2 frame forwarding, the vNIC functions as the software network adapter for guest OS connection, and the VM is the hosted guest compute instance.

Step-by-Step Solution

1
Identify the role of the Hypervisor
The hypervisor controls and allocates physical hardware resources (CPU, RAM, storage) to virtual environments.
It acts as the core virtualization engine enabling multi-tenancy on physical hardware.
2
Identify the role of the Virtual Switch (vSwitch)
The vSwitch manages Layer 2 forwarding within the hypervisor host.
It connects virtual interfaces to each other and bridges virtual network traffic to physical network interface cards (pNICs).
3
Identify the role of the Virtual Network Interface Card (vNIC)
The vNIC acts as the guest system's virtual Ethernet interface.
It binds to a VM and plugs virtually into a port on a vSwitch.
4
Identify the role of the Virtual Machine (VM)
The VM is the virtualized compute instance.
It operates as an independent operating system container hosted by the hypervisor.

Key Concept

Virtualization Abstraction Components and Functions
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Topics

Virtualization Fundamentals

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