Final answer:
Option b. All of these are requirements is the correct answer because all of the listed requirements are necessary for electronically stored real estate records.
Step-by-step explanation:
Option b.
All of these are requirements is the correct answer because all of the listed requirements are necessary for electronically stored real estate records.
Backing up data, preserving records as part of regular business, and being able to identify and store records are all important for maintaining accurate and accessible electronic records.