a. Why is it attractive for companies to use Layer 2 and Layer 3 WAN services offered by carriers?

16a.) Compared to the Internet, Layer 2 and Layer 3 carrier WAN services usually _________.

a. Offer QoS guarantees

b. Require less management labor in the customer organization

c. Both A and B

d. Neither A nor B

b. How does carrier Ethernet differ from traditional Ethernet?

16b.) How does carrier Ethernet differ from traditional Ethernet?

a. It is offered by carriers instead of being installed and managed by the company using it.

b. It is for MAN and WAN services.

c. Both A and B

d. Neither A nor B

c. What is the distinction between E-Line and E-LAN services?

16c.) In Carrier Ethernet, which service is a competitor for leased line service?

a. E-Line

b. E-LAN

c. Both A and B

d. Neither A nor B

16c.) In Carrier Ethernet, which connects multiple distant sites into a single Ethernet network?

a. E-Line service

b. E-LAN service

c. Both A and B

d. Neither A nor B

d. What are the attractions of carrier Ethernet for corporations?

16d.) Why is Carrier Ethernet popular?

a. It uses a familiar technology.

b. It offers predictable pricing over multi-year periods.

c. Both A and B

d. Neither A nor B

16d.) Why is Carrier Ethernet popular?

a. It uses familiar technology.

b. It has attractive prices.

c. Both A and B

d. Neither A nor B

e. What is speed agility?

16e.) Why is Carrier Ethernet popular?

a. It uses a familiar technology.

b. It is usually easy to upgrade speed rapidly.

c. Both A and B

d. Neither A nor B