What is a difference between device-level and controller-level infrastructure management?
A.
Device-level management uses NETCONF, whereas controller-level management does not support NETCONF to automate the infrastructure.
B.
Controller-level management uses APIs to simplify the developer experience, whereas device-level management uses traditional management protocols.
C.
Controller-level management is more widely supported because it is standards-based, whereas device-level management is proprietary to each vendor.
D.
Controller-level management exposes northbound, southbound, eastbound, and westbound APIs, easing integration with other technologies, whereas device-level management does not use a controller-based API.
B is correct
A is wrong - We don't use NETCONF for device-level management
C is wrong - Controller is not standards-based, it is proprietary to each vendor (for example Cisco DNA Center)
D is wrong - Controller exposes only Northbound and Southbound APIs
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