Which solution allows gradual migration to LTO7 cartridges while being able to read all current data?

A client with an existing TS3100 Tape Library with 2 x LTO4 drives and LTO4 cartridges wants to upgrade to LTO7.

Which solution allows gradual migration to LTO7 cartridges while being able to read all current data?
A . Replace 2 x LTO4 drives with 1 x LTO6 drive and 1 x LTO7 drive
B . Add I x LTO6 and I x LTQ7 drive to the library
C . Replace 2 x LTQ4 drives with 2 x LTQ7 drive
D . Add 2 x LTO7 drives to the library

View Answer

Answer: A