55. A disaster/contingency plan describes actions a support specialist will take when a user accidentally deletes important files.  56.A disaster/contingency plan is only effective if workers are...

55.

A disaster/contingency plan describes actions a support specialist will take when a user accidentally deletes important files.

 56.A disaster/contingency plan is only effective if workers are trained to use it._T___ 57.Preventive maintenance is the use of tools and procedures to reduce the likelihood of computer component failure and expensive repairs.

58.Most preventive maintenance on printers involves removing paper dust and ink buildup.

59.Since there are no user-serviceable components inside a monitor, preventive maintenance is limited to external cleaning and adjustment.a.anticipate possible installation problemsc.train the end userb.get acquainted with the end userd.complete a wrap-up checklist