A customer wants to upgrade their existing tape system, but they want to be sure that they will be
able to restore from previous tapes. How many previous LTO generations can an LTO tape drive
read?

A.
1

B.
2

C.
3

D.
4

Explanation:
An Ultrium drive reads data from a cartridge in its own generation and at least the two prior
generations. An Ultrium drive writes data to a cartridge in its own generation and to a cartridge from
the immediate prior generation in the prior generation format.