At a minimum, you should always have these two versions of a résumé saved:
a. print and web
b. web and electronic
c. scannable and print
d. electronic and scannable

Answer

Electronic and Scannable

Explanation

A resume is a document which is normally designed with the purpose of presenting a persons background and skills. why you should always have these two versions of a resume saved which are Electronic and Scannable is because Electronic resume can be transferred or sent by email. It is easily read on a computer and can be saved in any of the drives. One can also convert it into the file format required may it be PDF or even as a word document. And the scannable resume  can be scanned to the database easily when it is required.

it would be a. excessive network collisions or d. slow connectivity between devices those would be my answer.