Answer:
Star topology is used to ease the probabilities of network failure by connecting all of the systems to a central node. ... In contrast to the bus topology, the star topology allows each machine on the network to have a point to point connection to the central hub and there is no single point of failure.
C. Double-headed.
You can try this! Open the file explorer window and go to the very edge of the window. You should see a pointer that has two arrows; this is the double-headed pointer. You can click and hold, the drag it to resize the window.
:)
Answer:
that is called a popup box. or a alert box
assuming you are talking about this