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

A multiplexer translates data from a digital form (as it is stored in a computer)into an analog signal that can be transmitted over ordinary telephone lines.

Briefly explain the passing of packets over the Internet.

With decentralized processing,processing devices are placed at remote locations but are connected to each other via a network.

_____ 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.

John is traveling on a bus and has interconnected his smartphone,laptop,and digital camera to download digital photos from his camera to his phone and laptop.In this case,John is using a _____.

_____ frequency range for wireless communications operates in the 3 KHz-300 MHz range.

The _____ is responsible for managing IP addresses and Internet domain names.

In a _____,all network devices are connected to a common backbone that serves as a shared communications medium.

Rich Internet applications (RIAs)are the result of continuously improving programming languages and platforms designed for the Web.

A switch is a communications system that manages both voice and data transfer within a building and to outside lines.

Long Term Evolution (LTE)is a standard for wireless communications for mobile phones based on _____.

Data is broken into _____ to be transmitted over the Internet.

An IP address is a 32-bit number that identifies a computer on the Internet.

With a(n)_____ wireless network,a user's computer,smartphone,or other mobile device has a wireless adapter that translates data into a radio signal and transmits it using an antenna.

In the context of Hypertext Markup Language (HTML),a(n)_____ is a code that tells the Web browser how to format text-as a heading,as a list,or as body text-and whether images,sound,and other elements should be inserted.

_____ is a communication standard that enables computers to route communications traffic from one network to another as needed.

_____ is an object-oriented programming language from Sun Microsystems based on the C++ programming language,which allows small programs,called applets,to be embedded within an HTML document.

A _____ is a network that uses multiple access points to link a series of devices that speak to each other to form a network connection across a large area.

A geostationary satellite orbits the earth in a very low orbit at an altitude of less than 1,000 miles.

5G is a term used to identify the next major phase of mobile telecommunications standards beyond 4G.