Handling the general case of making two different networks interwork is exceedingly difficult. However, there is a common special case that is manageable even for different network protocols. This case is where the source and destination hosts are on the same type of network, but there is a different network in between. What technique is used to handle a connection between different networks?

	A.	connection-oriented technique
	B.	tunneling
	C.	bridge
	D.	forwarding

QUESTION 2

Each network or link imposes some maximum size on its packets. These limits have various causes among many issues. What is NOT an issue?

	A.	Operating System
	B.	Addressing
	C.	Protocol
	D.	Reduce error-induced retransmissions