The ADT binary tree is position-oriented.

A technician wants to implement a grandfather-father-son tape rotation policy. Which of the following implements this backup strategy?

A. Assign a different set of tapes for daily, weekly, and monthly backups. B. Use a different set of tapes for every two, four, and eight days. C. Designate a different set of tapes for odd-day and even-day backups. D. Use a queue to rotate tapes based on the age and usage of the tape.

Define closedness in an organizational environment.

What will be an ideal response?