Exam 10: Communicating Digital Content

What is the approximate distance most Bluetooth devices can be from each other to communicate, without using additional equipment?

Discuss an intranet and include a definition of an extranet.

In a networked environment, no authorized computer user can access data and information stored on other computers on the network.

In a fiber-optic cable, each strand, called an optical fiber, is as thin as a human hair.

Which of the following is a wireless transmission medium that distributes radio signals through the air over long distances?

What does EFT stand for?

____ is provided by applications such as email, FTP, browser, discussion boards, chat rooms, Internet messaging, videoconferencing, and VoIP.

Your school computer library has a network that connects computers and devices within a few small rooms. What type of network does it likely use?

Hot spots offer mobile users the ability to connect to the Internet with their Wi-Fi enabled wireless computers and devices.

Transmission from a satellite to an earth-based station is called an uplink.

Which of the following offers an alternative to infrared communications with high bandwidth transmissions?

Which is the best description of a coaxial cable?

The most popular T-carrier line is the ____________________ line.

Some smartphones can function as a wireless modem, called a mobile hot spot, when tethered to a personal computer.

For radio transmissions, a transmitter is needed to send the broadcast radio signal and a receiver to accept it.

What is the term for a communications device that connects multiple computers together and transmits data to its correct destination on a network?

What is a receiving device?

Microwave transmission involves sending signals from one microwave station to another. What is this often called?

When users log off a P2P network like the one in the accompanying figure, other users still can access their hard disks.

Which group developed the WiMAX standard?