The equivalence produced by a typedef statement can frequently be produced equally well by a ____ statement.

In an expression containing values of the types int and double, the ________ values are ________ to ________ values for use in the expression.

a. int, promoted, double. b. int, demoted, double. c. double, promoted, int. d. double, demoted, int.

When an IPv6 computer joins a network, it sends out multicast ____________________ packets searching for other computers on its broadcast domain.

Fill in the blank(s) with the appropriate word(s).