Options: a. When Item is somewhere in the middle of the array
b. When Item is not in the array at all
c. When Item is the last element in the array
d. When Item is the last element in the array or is not there at all
Which of the following conditions should exist if you want to convert a relationship to an associative entity?
Options: Some of the relationships for the participating entities are "many"., The resulting associative entity has an independent meaning., The resulting associative entity has no attributes., All of the above
To achieve AND effect when you are entering criteria in a query design window
Options: a. write criteria values vertically one in a row
b. write criteria values horizontally
c. Write criteria values in same field separated with AND
d. Write criteria values in same field separated with &
Options: is a hardware memory device which denotes the location of the current instruction being executed., is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory., contains the address of the memory location that is to be read from or stored into., contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
Options: Discard it and send an error message back to the originating host, Flood the network with the frame, Add the source address and port to the MAC address table and forward the frame out the destination port, Add the destination to the MAC address table and then forward the frame