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Exam 11: Voice and Data Delivery Networks

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Question 31

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The ____________________ is the telephone line that leaves your house or business.

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Question 32

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The local loop commonly consists of either four or ____ wires.

A) six
B) eight
C) nine
D) ten

E) C) and D)
F) A) and B)

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Question 33

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MPLS on Internet routers and VPNs (virtual private networks) are gaining in popularity in the data network market.

When a VCC transmits user-to-network control signaling, the connection is called the _________________________.

________________________________________ is a relatively new field that combines more traditional voice networks with modern computer networks.

Most residential DSL services are symmetric.

In ____, a fax image that is stored on a LAN server's hard disk can be downloaded over a local area network, converted by a fax card, and sent out to a customer over a trunk.

____ means that users have the ability to control a call-for example, set up a conference call-without being a part of it.

Frame relay was originally designed and used to transfer packets of data between two sites more cost effectively than leased lines could.

DSL and cable modems are more expensive than frame relay systems at comparable speeds.

When a customer establishes a permanent virtual circuit with a frame relay carrier, both customer and carrier agree on a data transfer rate called the ____.

The telephone network consists of two basic types of telephone lines: a subscriber loop, or standard telephone line, and a ____.

Immediately after the breakup of AT&T there were 7 Regional Bell Operating Companies (RBOCs). As of year-end 2009, there are ____________________ RBOCs.

What are the advantages of frame relay?

A(n) ____ connection has a faster downstream transmission speed than its upstream speed.

What are the advantages and disadvantages of ATM?

The price of the PVC is inversely proportional to the CIR level.

ATM transfer rates are as fast as 311 Mbps.

A V.92 modem can place a data connection on hold should someone call the user's telephone number.

_____________________________________________ mean that as a person speaks into a telephone, the system can digitize the voice and store it on a hard disk drive as computer data.