Which two statements are true about N-VDS/VDS? (Choose two.)

Given this exhibit:

Which statement is true about the host transport nodes?

What are two benefits of virtual networking? (Choose two.)

A customer is planning to utilize NSX-T Data Center security services while maintaining current security services providers.
Which two features can help the customer achieve this kind of integration? (Choose two.)

An administrator needs to configure new L2 Broadcast Domains.
Which NSX-T logical component should the administrator use to create these domains?