Exam 4: Telecommunications,the Internet,intranets,and Extranets

Explain the rules that apply to using domain names.

A router is a network device that serves as an entrance to another network.

A(n)_____ is a network device that serves as an entrance to another network.

A local area network (LAN)can be used to connect a laptop,digital camera,and portable printer without cables.

Most rich Internet applications (RIAs)take advantage of being online by emphasizing their collaborative benefits.

_____ are specially denoted text or graphics on a Web page that,when clicked,open a Web page containing related content.

The network operating system (NOS)performs similar functions for the network as operating system software does for a computer,such as memory and task management and coordination of hardware.

A(n)_____ is a 64-bit number that identifies a computer on the Internet.

The set of rules used to pass packets of data from one Internet host to another is called the _____.

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

_____ is a wireless communications specification that describes how cell phones,computers,and printers can be connected over distances of 10 to 30 feet at a rate of about 2 Mbps and allows users of multifunctional devices to synchronize information.

In which of the following approaches to processing does all processing occur in a single location or facility?

After creating Web pages,the next step is to place,or publish,the content on a(n)_____.

Microwave is a high-frequency radio signal (300 MHz-300 GHz)sent through atmosphere and space.

Many Internet addresses have a code denoting _____categories,such as com for business sites and edu for education sites.

_____ refers to the electronic transmission of signals for communications by such means as telephone,radio,and television.

Telecommunications is changing the nature of commerce itself.

A _____ satellite system employs many satellites that are spaced so that,from any point on the Earth at any time,at least one satellite is on a line of sight,each in an orbit at an altitude of less than 1,000 miles.

The _____ was the ancestor of the Internet.

An Internet service provider (ISP)is a Web address that specifies the exact location of a Web page using letters and words that map to an IP address and a location on the host.