Question

a __ is a copy of one or more files (or entire storage devices) that is made in case the originals become lost or damaged.

• path
• file system
• firewall
• backup

Explanation:

To solve this, we analyze each option:

• "path" refers to the location of a file/directory, not a copy.
• "file system" manages how data is stored/organized, not a copy.
• "firewall" is for network security, not related to file copies.
• "backup" is defined as a copy of files/storage to protect against loss/damage, matching the description.

Answer:

D. backup