How do virtual networks support physical infrastructure Quality of Service (QoS)?

An administrator decides to implement logical switching to establish connectivity between virtual machines that reside on the same host.
Which layer is used by logical switching to provide this connectivity?

What is the default virtual standard switch that is created when ESXi is installed on a hypervisor?

How does Software-Defined Data Center (SDDC) facilitate easy provisioning and management of the underlying physical resources?

Which service of VMware Integrated OpenStack has the ability to communicate with VMware NSX Controller, create logical switches and routers, and add new NSX
virtual machines on demand?

Which characteristic of VMware NSX enables secure intra-data center network traffic?

Which security service applies rules at the Virtual NIC (vNIC) level to define the traffic allowed to and from a security group?

Which of these allows static or dynamic grouping based on inclusion and exclusion of objects such as virtual machines, vNICs, cSphere clusters, and logical
switches?

Which component of NSX logical firewall, offered by the NSX Edge Services Gateway (ESG), focuses on North-South traffic enforcement perimeter or tenant
perimeter?

Which plane of the VMware NSX architecture provides a single point of configuration and Representational State Transfer (REST) API entry points?