_________ consists of an encapsulating header and trailer used to provide encryption or combined encryption/authentication. The current specification is RFC 4303.

Recoloring a picture is often used to make the colors match a background

Indicate whether the statement is true or false

Unlike FORTRAN, COBOL, C, C++, and Ada, which were carefully developed as programming languages, ____________________, a modern, object-oriented language, was almost an accident.

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