Which statement is true regarding a customer who has existing LTO-3 Tapes and Drives looking to upgrade to LTO-6?

Which statement is true regarding a customer who has existing LTO-3 Tapes and Drives looking to upgrade to LTO-6?
A . Retain the written tapes and a LTO-3 drive for later recovery; new media required with LTO-6.
B . None of the tape cartridges will be writable, however, the data can still be read by the LTO-6 drives.
C . Tapes written by LTO-3 drives will not be readable by LTO-6 drives; unused tapes can be formatted for LTO-6.
D . Retain the written tape cartridges for later recovery; any unused media can be used for later writes with a lower capacity than LTO-6 specific cartridges.

Answer: A