In file management, in the following record blocking method, the optional use of space is made, without unused space left

Variable-length un-spanned blocking

Variable-length spanned blocking

In file management, in the following record blocking method, the optio

1.	In file management, in the following record blocking method, the optional use of space is made, without unused space left
A.	Fixed blocking
B.	Variable-length spanned blocking
C.	Variable-length un-spanned blocking
D.	None of these.
Answer» C. Variable-length un-spanned blocking