Exam 6: Data Communication: Delivering Information Anywhere and Anytime

Unlike the other disadvantages of wireless, throughput is expected to become a bigger problem in the future.

_____ is the electronic transfer of data from one location to another.

Data communication systems increase inventory costs.

Identify a topology used by traditional mainframe networks.

Internet Protocol (IP)operates at the _____ of the Open Systems Interconnection (OSI)model.

_____ are glass tubes surrounded by concentric layers of glass, called "cladding," to form a light path through wire cables.

A ring topology needs more cables to connect the nodes within a network than a star topology.

Which layer of the Open Systems Interconnection (OSI)model formats message packets?

The decrease in telecommuters is an example of how the boundaries between work and personal life are becoming less clear-cut as data communication becomes more available in both homes and businesses.

_____ are used to connect computers, hubs, switches, and routers to a network in a local area network (LAN).

In the context of mobile networking, 3G networks have decreased the quality of Internet telephony or Voice over Internet Protocol (VoIP).

_____ is a high-speed carrier service that uses ordinary phone circuits to send and receive data.

Describe the two categories of wireless technologies.

Describe a modem.

In the context of communication media, _____ media  provide a physical path along which signals are transmitted, including twisted pair copper cable, coaxial cable, and fiber optics.

Distributed processing maintains decentralized control and centralized operations.

_____  is a voice-grade transmission channel capable of transmitting a maximum of 56,000 bps.

What are the major types of networks?

Horizontal scaling of a client\server architecture means _____.

Briefly explain a wide area network (WAN).