Your friend recognized that you were down after your interview, so she asked how the interview went. what characteristic of a competent communicator is she displaying?

The characteristic of a competent communicator that she is displaying is called empathy. This is a kind of competent communication by which an individual has the capability of being able to recognize and feel one's or what the others are feeling and that he or she is likely to be able to imagine their feelings or put themselves in their shoes to understand what they are feeling and be able to provide comfort.