When an AP div is active, its border is visible and a selection handle appears in its ____ corner.

Which statement is false?

a) The unary * operator is called the indirection operator or the dereferencing operator. b) The operand of the unary * operator must be a pointer. c) The unary * operator returns the value of its operand. d) Placing a * operator before a pointer dereferences the pointer.

How many usable host addresses exist within a network with a CIDR prefix of /23?

A. 256 B. 510 C. 512 D. 1022