Exam 6: Data Communication

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

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

In the context of client / server architectures, describe a two-tier architecture.

In the context of the technologies developed to improve the efficiency and quality of digital communications, _____ divides each channel into six time slots.

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

In data communication, _____ refers to integrating voice, video, and data so that multimedia information can be used for decision making.

The Wi-Fi Protected Access 2 (WPA2) uses _____ to obtain a master key, which is in turn used to negotiate for a key that will be used for a session.

List the three main components of a typical data communication system.

Any packet-switching network can handle multimedia data.

Describe the responsibilities of the Transport layer of the Open Systems Interconnection (OSI) model.

_____is the loss of power in a signal as it travels from the sending device to the receiving device. ​

Which of the following problems is resolved by distributed processing?

A(n) _____ is a network connection device that can build tables that identify addresses on each network.

_____ refers to using a cellular phone outside of a carrier's limited service area.

In the_____, the application logic is usually on the client side. ​

In the context of communication media, what is the difference between a point-to-point system and a multipoint system?

Data communication technologies make Web and video conferencing easier, which can reduce the costs of business travel.

Local area networks (LANs) are used to _____.

In the two-tier architecture of the client / server model, _____.

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