Exam 6: Telecommunications and Networks

A(n) ______ is a telecommunications device that forwards data packets between computer networks.

A(n) _____ is a miniature cellular base station designed to provide improved cellular coverage and capacity for homes and organizations and even metropolitan and rural public spaces.

A wide area network (WAN) is a telecommunications network that connects users and their computers in a geographical area that spans a campus or city.

A disadvantage of a circuit-switching network is that it is associated with the overhead of assembling and disassembling data into packets.

Which of the following statements is true of an asymmetric DSL (ADSL)?

A _____ is a telecommunications network that connects users and their computers in a geographical area that spans a campus or a city.

Channel bandwidth refers to the diameter of the telecommunications media.

A _____ is a private network that uses a public network (usually the Internet) to connect multiple remote locations.

Broadband communications is a telecommunications system that can transmit data very quickly.

Voice and phone communications are examples of asynchronous communications.

Which of the following is a disadvantage associated with client/server architecture?

Briefly describe how a Wi-Fi network operates.

_____ transmission involves the broadcast of communications in one of three frequency ranges: microwave, radio, and infrared.

A half-duplex channel can transmit data in either direction but not both simultaneously.

_____ is a technology that enables users to send, receive, and store verbal messages to and from other people around the world.

The Institute of Electrical and Electronics Engineers (IEEE) is a leading standards-setting organization whose IEEE network standards are the basis for many telecommunications devices and services.

_____ is a set of interactive telecommunications technologies that enable people at multiple locations to communicate using simultaneous two-way video and audio transmissions.

A(n) _____ is any material substance that carries an electronic signal to support communications between a sending and receiving device.

_____ enables users to share a certain number of outside lines (trunk lines) to make telephone calls to people outside an organization.

_____ is a very short-range wireless connectivity technology designed for consumer electronics, cell phones, and credit cards.