Which client is used with NETCONF?

The client used with NETCONF is ncclient. This is a Python library specifically designed for working with NETCONF, which is a network management protocol standardized by the IETF. ncclient facilitates the development of NETCONF clients and provides an easy API for interacting with NETCONF servers. It handles various NETCONF operations such as connecting to a server, sending RPC requests, and receiving responses, all while managing the complexities of XML encoding and XML namespaces required by the protocol.

The other options, while they are valuable tools for making API calls and testing network interactions, do not specifically support the NETCONF protocol. Postman and cURL are commonly used for RESTful APIs, enabling users to send HTTP requests easily, while python requests is a library for making HTTP requests in Python. These tools do not cater to the unique requirements of NETCONF, which operates over SSH or other transport layers and uses XML for encoding data. Thus, they are not designed for the specific functionalities provided by ncclient when interfacing with NETCONF servers.