Which one of the four keywords in SQL is used to specify what table the fields can be found?

In regards to default arguments, which of the following is false?

a. When an argument is omitted in a function call, the default value of that argument is automatically inserted by the compiler and passed in the function call. b. They must be the rightmost (trailing) arguments in a function’s parameter list. c. Default values can be constants. d. Default values cannot be global variables or function calls.

In the AddRoundKey transformation the 128 bits of State are bitwise XORed with the _________ of the round key.

A. 64 bits B. 128 bits C. 256 bits D. 512 bits