Which of the following deals with increasing security with flash memory for wireless devices, such as PDAs?

A.
MC-ES

B.
ITU-808

C.
F5-385

D.
F5-223

Explanation:
Mobile Commerce Extension Specification (MC-ES) has been championed by
a group of manufacturers known as the 5C. MC-ES flash memory cards would improve
overall security on wireless devices compared to the conventional cards being used.