____ is a broadband wireless transmission technology that is based upon a series of IEEE standards.?

A ______ allows the deletion of a node from a linked list without the need to traverse the list to establish a trailing reference.

a) head record b) dummy head node c) tail reference d) precede reference

All of the following can cause a fatal execution-time error except:

a. Dereferencing a pointer that has not been assigned to point to a specific address. b. Dereferencing a pointer that has not been initialized properly. c. Dereferencing a null pointer. d. Dereferencing a variable that is not a pointer.