What distinction does the author draw between packet switching and circuit switching?
A. Circuit switching and packet switching are different ways in which information
can be accessed on multiple computers at once.
B. Packet switching allows a wireless connection while circuit switching requires a
physical connection.
C. Packet switching allows information to be accessed on multiple computers,
while circuit switching can only share data between two computers.
D. Circuit switching allows information to be accessed on various computers at the
same time, while packet switching is the communication between two
computers.