A.Virtual Tape Library

B.Disk-To-Disk-To-Tape

C.Disk-To-Tape

D.Replication

A.MTBF is the predicted elapsed time between inherent failures of hard disks.

B.MTBF is used to measure the reliability of hard disks.

C.MTBF can accurately pinpoint the time of failures of the hard disks.

D.The higher the MTBF, the hard disk will have shorter lifespan expectancy,

A.Statements 1 and 2 are both true.

B.Both statements 1 and 2 are false.

C.Statement 1 is true and statement 2 is false.

D.Statement 1 is false and statement 2 is true.

A.1 - B+C; 2 - A ; 3 - A .

B.1 - C ; 2 - A+D; 3 - A.

C.1-A; 2-C; 3-A.

D.1 - A+D; 2 - A+B; 3 - A .

A.FALSE

B.TRUE