Hilda is troubleshooting a problem with the encryption of data. at which layer of the osi reference model is she working?

The la yer of the osi reference model that hilda is currently working on is: presentation

On Osi reference model, the presentation layer is created to take care of the semantics and syntax of the information exchanged between two systems. The presentation layer will make sure that the receiver of the information will understand the data that being given.