Refer to the exhibit. A network engineer wants use API update information about device interfaces. The network devices are deployed in a Cisco DevNet Sandbox an...

Refer to the exhibit. A network engineer wants use API update information about device interfaces. The network devices are deployed in a Cisco DevNet Sandbox and have running interfaces. Which value is suitable as the headers variable?

A. {'Content-Type': 'application/yang.data+yaml', 'Accept': 'application/yang.data+yaml'} B. {'Content-Type': 'application/yang.data+json', 'Accept': 'application/yang.data+json'} C. {'Content-Type': 'application/yang.data+utf8l', 'Accept': 'application/yang.data+utf8'} D. {'Content-Type': 'application/restconf.data+txt', 'Accept': 'application/restconf.data+txt'}