Exam 6: Data Communication: Delivering Information Anywhere and Anytime

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

Identify a true statement about convergence in data communication.

_________ is a technique to improve the security of wireless networks,which combines the strongest features of Wired Equivalent Privacy (WEP)and Extensible Authentication Protocol (EAP)techniques.

Transmission of data across satellites is through _____.

List the common applications of convergence.

The bus topology connects nodes along a network segment,with the ends connected in a manner similar to a ring topology.

Which of the following allows the linking of devices running on many different platforms?

Identify an advantage of the bus topology.

How do cable modems connect users to the Internet?

List three drawbacks of decentralized systems.

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

Local area networks (LANs)are used to _____.

Identify a topology used by traditional mainframe networks.

A _____ network is a network operating on a radio frequency (RF),consisting of radio cells,each served by a fixed transmitter.

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

Identify an advantage of a hierarchical topology over a star topology.

_________ is a set of rules that govern data communication,including error detection,message length,and transmission speed.

In the bus topology,a hardware device called _____ is used at each end of the cable to absorb the transmitted signal.

A _____ is a hardware device that allows several nodes to share one communication channel.

Any packet-switching network can handle multimedia data.