Question

1.

WANs include ________.

		single networks
		the Internet
		either single networks or the Internet
		neither single networks nor the Internet

2.  

Compared to the Internet, Layer 2 and Layer 3 carrier WAN services usually ________.

		offer QoS guarantees
		require less management labor in the customer organization
		both offer QoS guarantees and require less management labor in the customer organization
		neither offer QoS guarantees nor require less management labor in the customer organization

Answer 1

1)  either single networks or the Internet
2)  both offer QoS guarantees and require less management labor in the customer organization