?A(n) ____ reference identifies a cell by its location in relation to other cells and changes when a formula is moved or copied.

The ____ protocol provides for a bidirectional, byte-oriented service using TCP as the transport to reliably deliver messages.

A. Telnet B. FTP C. HTTP D. RPC

A(n) ____________________ marks a location in a document so that you can quickly move the insertion point to that location.

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