Exam 6: Telecommunications and Networks

____________________ is an Intel marketing strategy to deliver innovative mobile platforms "anytime, anywhere."

Most wireless networks now use the Wi-Fi Protected Access (WPA) security protocol that offers significantly improved protection over wired equivalent privacy (WEP).

____________________ refers to the electronic transmission of signals for communications.

What can a network manager do with network-management software?

A geostationary satellite orbits the Earth in a very low orbit at an altitude of less than 10,000 kilometres.

The computers and devices on a network are also known as ____________________.

What very short-range wireless connectivity technology enables consumers to swipe their credit cards or even cell phones within a few inches of a special point of sale terminal to pay for purchases?

Bluetooth is a wireless communications specification that describes how to connect various telecommunications devices over distances of up to 30 metres at speeds greater than 5 Mbps.

Guided media networks are inherently more secure than wireless networks.

____________________ enables users of multifunctional devices to synchronize with information in a desktop computer, send or receive faxes, print, and generally coordinate all mobile and fixed computer devices.

____________________ is a common form of guided transmission media that uses extremely thin strands of glass bound together in a sheathing and light beams to transmit signals.

Robell is a new telecommunication company offering high-end communication services that will provide the fastest transmission of data.The service is targeting large organizations that are willing to pay a high subscription rate.What type of transmission media did Robell use?

There are well over 2 billion cell phone users worldwide.

What does an asymmetric DSL provide?

What does a VPN provide to users?

GPS receivers receive the signals from four GPS satellites to determine a highly accurate location of the receiver, even though just three signals are sufficient.

Briefly describe a general model of telecommunications.

Sending an e-mail message is an example of asynchronous communications.

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

What two operating systems are NOT commonly used on smartphones?