A(n) __________ pings a packet of data to a port in order to see if that port is open or not.

Which of the following gives the number of elements in the array int r[10]?

a. sizeof r b. sizeof (*r) c. sizeof r / sizeof (int) d. sizeof (*r) / sizeof (int)

Which of the following is true?

a) The range of the shadow filter property is exactly 0 to 360. b) The shadow filter property can be set to exactly 4 different values c) The shadow filter property can be set to exactly 8 different values d) The shadow filter property can be set to exactly 360 different values