Write a sed command that copies a file to standard output, removing all blank lines (i.e., lines with no characters on them).

_____ is the process of converting readable data into unreadable characters to prevent unauthorized access to the data.

A. Encapsulation B. Normalization C. Standardization D. Encryption

When creating path lines to create a(n) ____________________, drag a beginning point, drag an ending point in the opposite direction, and then click the beginning point.

Fill in the blank(s) with the appropriate word(s).