Data are transferred to and from the disk in __________.

When traveling through any type of medium, a signal always experiences some loss of its power due to friction. This loss of power, or loss of signal strength, is called ____.?

A. ?amplification B. ?friction C. ?decibel D. ?attenuation

When white space appears in places other than element content, XML treats it in the following manner: _____.

A. ?ignored within a document's prolog and epilog, and within any element tags B. ?ignored when it is one of the character data between element tags C. ?within an attribute value is treated as a separate part of the attribute value D. ?generally ignored as part of the document's data