Question: what are the different layers of layered architecture in sv?
Answer: signal layer: This layer connects the TestBench to the RTL design. ...  command layer: This layer contains lower-level driver and monitor components, as well as the assertions. ...  functional layer: ...  scenario layer: ...  test layer: ...  VMM Standard Library. VMM Register Abstraction Layer (RAL) VMM Hardware Abstraction Layer (HAL)