Refer to the exhibit. A network engineer wants to use an API to update information about device interfaces. The network devices are deployed in a Cisco DevNetSandbox and have running interfaces. Which line of code needs to be placed in the snippet where the code is missing?

A. {'Content-Type': 'application/yang.data+xml', 'Accept': 'application/yang.data+xml'} B. {'Content-Type': 'application/yang.data+yaml', 'Accept': 'application/yang.data+yaml'} C. {'Content-Type': 'application/restconf.data+json', 'Accept': 'application/restconf.data+json'} D. {'Content-Type': 'application/yang.data+utf8', 'Accept': 'application/restconf.data+utf8'}