Which API is used in controller-based architectures to interact with edge devices?

Refer to the exhibit.

The router has been configured with a supernet to accommodate the requirement for 380 users on a subnet The requirement already considers 30% future growth. Which configuration verifies the IP subnet on router R4?
A)

B)

C)

D)

Refer to the exhibit.

Which plan must be Implemented to ensure optimal QoS marking practices on this network?

Refer to exhibit.

Which statement explains the configuration error message that is received?

Which two outcomes are predictable behaviors for HSRP? (Choose two)