Out of which 2 primary components, does Hyper-V networking consist?

Which 2 types of Hyper-V network adapters exists?

Which network adapter is faster?

A legacy network adapter or a (synthetic) network adapter?

For which VM generations is a legacy network adapter available?

For which VM Generations is a (synthetic) network adapter available?

Which Hyper-V network adapter is required to do a PXE boot in a Gen1 VM?

Which Hyper-V network adapter is required to do a PXE boot in a Gen2 VM?

Which 3 types of Virtual Switches are available in Hyper-V?

Describe a Private Virtual Switch

Describe an Internal Virtual Switch

Describe an External Virtual Switch

Which 3 tools can be used to configure Hyper-V Virtual Switches?

What is a Virtual Switch Extension?

Which 3 classes of Virtual Switch Extensions do you know?

Note: There is more info on the Virtual Switch Extensions in the text.

For now I will skip this, because it seems very abstract.