Exam 11: Voice and Data Delivery Networks

A ____ is a bundle of VCCs that have the same endpoints.

ATM clearly dominates in the local area network arena.

If the telephone call passes out of one LATA and into another (a(n) ____ call), the telephone call is long distance and must be handled by a long-distance telephone company.

The Internet can transfer conventional data and voice data.

MPLS and VPNs continue to replace which long-distance data services?

How does a 56k dial-up modem work?

Only two wires are required to complete a telephone circuit.

Cable modem connections are typically symmetric.

______________________________ is also known as very high-speed DSL and very high bit-rate DSL.

Local high-speed telephone connections are almost always less expensive than long-distance, high-speed telephone connections.

The designation layer ____ protocol means that frame relay technology is only one part of a network application and resides at the data link layer.

The Telecommunications Act of 1996 mandated that the existing local telephone companies, now called ____, must give CLECs access to their telephone lines.

Convergence has had a particularly noticeable impact on the telecommunications market.

Frame relay and ATM are losing market share to Internet services such as FTP and Telnet.

On the other end of the local loop is the local telephone company's ____.

When a VCC transmits network management and routing signals, it is called the ____.

There is only one DSL format in use today.

What does a business or home user need to establish a DSL connection?

Frame relay is called a layer 6 protocol.

A(n) ____ is a service from local telephone companies in which up-to-date telephone facilities at the telephone company's central (local) office are offered to business users, so that they don't need to purchase their own facilities.