WANs

Which of the following is not a common WAN technology?

• POTS

• T1/T3

• T1/T2

• J1/J3

E-carrier is a digital standard similar to T-carrier. It is widely deployed in Europe.

• True

• False

What is the throughput rating of OC-48?

• 622.08 Mbps

• 1244.16 Mbps

• 2488.32 Mbps

• 10 Gbps

To get the throughput rating of an optical carrier, you should multiply the rating (OC-3) by _________.

• 51.84

• 51.48

• 3

• 12

_______ is the collection of equipment that makes up the WAN network and is owned and maintained by telecommunications companies.

• WAN Cloud

• Central Office

• Local Loop

• Demarc

_______ is a switching facility connected to the WAN. It is the nearest point of presence for the WAN provider. It provides WAN cloud entry and exit points.

• WAN Cloud

• Central Office

• Local Loop

• Demarc

_______ is the cable that extends from the central office to the customer location. The local loop is owned and maintained by the WAN service provider.

• WAN Cloud

• Central Office

• Local Loop

• Demarc

_______ is the point that marks the boundary between the telco equipment and an organization's network or telephone system.

• WAN Cloud

• Central Office

• Local Loop

• Demarc

_______ is a mega switch computer capable of handling an extremely large numbers of packets.

• Packet switching exchange (PSE)

• Circuit switching

• Packet switching

• Customer premises equipment (CPE)

_______ is a network that uses a dedication connection between sites and is ideal for transmitting data that must arrive quicly in the order it is sent.

• Packet switching exchange (PSE)

• Circuit switching

• Packet switching

• Customer premises equipment (CPE)