References are used almost exclusively as formal function parameters and ____ types.

DWDM does which of the following?

A) Incorporates the propagation of several wavelengths in the 1550-nm range for a single fiber B) Incorporates the propagation of several wavelengths in the 850-nm range for a single fiber C) Incorporates the propagation of several wavelengths in the 1350-nm range for a single fiber D) All of these answers are correct.

Malware that changes its binary pattern on specific dates at specific times to avoid detection is known as a (n):

A. armored virus B. logic bomb C. polymorphic virus D. Trojan