What are two functions of a Network Services Orchestrator in an NFV environment? (Choose two.)

What are two functions of a Network Services Orchestrator in an NFV environment? (Choose two.)
A . It operates at the resource-facing services layer and provides overall lifecycle management at the network service level.
B . It provides an API-based northbound interface for transparent integration with systems that operate at the resource-facing services layer.
C . It provides a standards-based southbound interface for transparent integration with systems that operate at the customer-facing services layer.
D . It provides a standards-based northbound interface for transparent integration with systems that operate at the customer-facing services layer.
E . It operates at the customer-facing services layer and provides the management interface for the virtual network devices.

View Answer

Answer: AB

Explanation:

Reference: https://www.cisco.com/c/en/us/td/docs/net_mgmt/msx/3_4/solution_overview/Cisco_VMS_Sol_Overview.pdf