Refer to the exhibit. An engineer creates a Python script using RESTCONF to display hostname information. The code must be completed so that it can be tested. Which string completes the highlighted…

RESTCONF mandates the use of `application/yang-data+json` in the `Content-Type` and `Accept` headers when exchanging YANG-modeled data that is encoded in JSON. This specific content type clearly indicates that the payload adheres to the YANG data structure within a JSON format.

`yang+json` is an incorrect or non-standard media type for RESTCONF; the correct media type for YANG-modeled data in JSON is `yang-data+json`.

`yang.data+json` uses a period instead of a hyphen, making it an incorrect media type and therefore not recognized by RESTCONF.

`json` is too generic as a media type. While the data is indeed JSON, RESTCONF requires the more specific `yang-data+json` to explicitly identify the payload as YANG-modeled data.