Which is better, the hotel concierge or the switchboard? As far as work benefits are concerned.

The switchboard is relatively idle and relaxed. You can do well what you are doing, such as taking the postgraduate entrance examination.

The concierge is basically a permanent service.

A switchboard with more than 3 stars needs to be proficient in a foreign language, basically English.

Concierge needs to master more than 3 stars.