Exam 11: Voice and Data Delivery Networks

An asymmetric service is useful for an Internet connection in which the bulk of the traffic comes down from the Internet to the workstation.

______________________________ ,like frame relay,is a very high-speed,packet-switched service that is offered by the telephone companies.

How does a 56k dial-up modem work?

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

______________________________ means that when a customer calls your company,his or her telephone number is used to extract the customer's records from a corporate database.

ATM clearly dominates in the local area network arena.

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 ____.

____ means that users utilize a single desktop application to send and receive e-mail,voice mail,and fax.

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

A(n)______________________________ is a large,computerized,self-contained telephone system that sits in a telephone room on a company's premises.

After the 1984's Modified Final Judgment,the long-distance telephone companies became known as ____.

____ is a packet-switched network that was designed for transmitting data over fixed lines.

When they were originally introduced many years ago,dial-up modems were capable of data transfer speeds of merely 15 to 30 bits per second.

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

The frame relay service can only be a long-distance service.

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.

____ is the most expensive ATM class of service.

Subscriber loops usually transmit digital signals,which require amplifiers every few kilometers.

_____________________________________________ 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.

Telephone systems were originally designed to transmit the human voice.