Each task has a duration.

Of the wireless technologies listed, which one has a distance limitation of 6 inches or less?

A) IR B) IEEE 802.11 C) Bluetooth D) NFC

[C++11]: To help prevent errors, apply C++11’s ________ keyword to the prototype of every derived-class function that overrides a base-class virtual function.

a. virtual b. abstract c. overridable d. None of the above.