For this presentation, identify and discuss five or more technologies and countermeasures which can be implemented to address the problem of providing physical security in an unoccupied$/$unattended facility $($you should not propose any measures that rely upon guards or other personnel who would need to be physically present$).$ Your presentation should address both preventive and detective controls for physical security, e$.$g$.$ perimeter fencing, gates, bollards, lighting, CCTV$,$ audio scanning, alarm systems, key$-$card controlled entry, etc.